Channel mod for cobra 148 gtl

4) Solder the wires onto the switches and pins of the chip like in the diagram above. COBRA 148 , 2000 GTL , UNIDEN GRANT AND MADISON. The mod is basically the ...Cobra 148 GTL. Enjoy the benefit of long-range SSB communications in a no-frills, super reliable unit. One of the most famous CB radios ever produced, praised for its durability, longevity and classic good looks. This model has been discontinued and we recommend the President McKinley , Uniden 980 and Galaxy 959 as replacements. 21 / 25 Plus "LTD Kit" High Channel Installation Instruction. 25. 64-66. 21 / 25 Plus "LTD Kit" Low Channel Installation Instruction. 25. 61-63. 21 And 25 Plus Models Final Inductor Too Long Fix. 28. 46-47.Cobra 148 GTL. Enjoy the benefit of long-range SSB communications in a no-frills, super reliable unit. One of the most famous CB radios ever produced, praised for its durability, longevity and classic good looks. This model has been discontinued and we recommend the President McKinley , Uniden 980 and Galaxy 959 as replacements. Find helpful customer reviews and review ratings for Cobra 148GTL CB 40 Channel 12 Watt Radio at Amazon.com. Read honest and unbiased product reviews from ...4) Solder the wires onto the switches and pins of the chip like in the diagram above. COBRA 148 , 2000 GTL , UNIDEN GRANT AND MADISON. The mod is basically the ...27mhz CB radio Repair, Modifications Help and Advice. 9 K members · 2 posts a day. Visit group.This mod is all over the web. I guess its only for the 148 GTL. I tried it on my 148 nwst and something is just not right. Actually it just downright won't work! Same pll as the GTL. Anyone done a channel mod to the 148 NWST model Cobra? Im4jc I have seen the 3 switch mod somewhere too which reqiures resistor value changes. buchanan dam tx newsCobra 148 GTL Power Tweek and Modulation 1) Change R126 to a 2.2k ohm resister. 2) Change R124 to a 4.7k ohm resister. 3) Remove TR24 4) Re-tune L37 and L38 for maximum forward AM power. 5) Adjust VR10 for maximum PEP on AM. 6) Adjust VR11 for maximum PEP on SSB. I do not recommend cutting R131 which limits the modulation.27mhz CB radio Repair, Modifications Help and Advice. 9 K members · 2 posts a day. Visit group.Cobra 148 GTL. Enjoy the benefit of long-range SSB communications in a no-frills, super reliable unit. One of the most famous CB radios ever produced, praised for its durability, longevity and classic good looks. This model has been discontinued and we recommend the President McKinley , Uniden 980 and Galaxy 959 as replacements.7 28 Lemoyne, Pa. Aug 16, 2011 #2 Replace the 11.1125 mhz crystal with a 11.3258 crystal. Locate PLL MB8719 chip right behind the channel selector. Isolate pin 10 from ground Cut all trace. Wire a switch from Pin 10 to ground and another from pin 11 to pin 12. You may need to re-align. 8719 channel chart Cobra 140 142 GTLDetails The original Cobra 148GTL is back and better than ever! Professional driver-requested improvements include a front panel microphone connector for convenient in-dash installation, 9-foot microphone cord for easy reach anywhere within the cab, and tactile controls for added convenience and safety when adjusting functions. MSRP $189.95The original information pertains more to the Cobra 148 GTL than the 2000.? I’ve also added my own tweaks.? This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. And, it does it cleanly! 21 / 25 Plus "LTD Kit" High Channel Installation Instruction. 25. 64-66. 21 / 25 Plus "LTD Kit" Low Channel Installation Instruction. 25. 61-63. 21 And 25 Plus Models Final Inductor Too Long Fix. 28. 46-47.Details The original Cobra 148GTL is back and better than ever! Professional driver-requested improvements include a front panel microphone connector for convenient in-dash installation, 9-foot microphone cord for easy reach anywhere within the cab, and tactile controls for added convenience and safety when adjusting functions. MSRP $189.95This mod is all over the web. I guess its only for the 148 GTL. I tried it on my 148 nwst and something is just not right. Actually it just downright won't work! Same pll as the GTL. Anyone done a channel mod to the 148 NWST model Cobra? Im4jc I have seen the 3 switch mod somewhere too which reqiures resistor value changes. woodland hills accident today Cobra 148 GTL. Enjoy the benefit of long-range SSB communications in a no-frills, super reliable unit. One of the most famous CB radios ever produced, praised for its durability, longevity and classic good looks. This model has been discontinued and we recommend the President McKinley , Uniden 980 and Galaxy 959 as replacements. Cobra 148 GTL. Enjoy the benefit of long-range SSB communications in a no-frills, super reliable unit. One of the most famous CB radios ever produced, praised for its durability, longevity and classic good looks. This model has been discontinued and we recommend the President McKinley , Uniden 980 and Galaxy 959 as replacements. COBRA 148GTL (F) LED FREQUENCY DISPLAY*DISCONTINUED*FULLY TESTED BRIGHT & CLEAR $40.00 $3.00 shipping 148gtl With Extra chans Slider npc Mod $275.00 $22.45 shipping or Best Offer 20 watching New Cobra 148GTL Replacement Channel Selector Knob 751-171-9-001 $3.99 $4.25 shipping 148 gtl $225.00 $17.05 shipping or Best Offer 10 watching27mhz CB radio Repair, Modifications Help and Advice. 9 K members · 2 posts a day. Visit group.There are skipped channels between 40 and 45 plus 46 and 48, as well as others. The Cobra 148 GTL is the easiest of the MB 8719 chassis' to ... wow classic warlock tips The original information pertains more to the Cobra 148 GTL than the 2000.? I’ve also added my own tweaks.? This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. And, it does it cleanly! I have a Cobra 148GTL from back in the day, I'd say from the late 1980's early 1990's. I was told that it had extra channel's installed but ... apple fritter strain seedfinder21 / 25 Plus "LTD Kit" High Channel Installation Instruction. 25. 64-66. 21 / 25 Plus "LTD Kit" Low Channel Installation Instruction. 25. 61-63. 21 And 25 Plus Models Final Inductor Too Long Fix. 28. 46-47.Feb 12, 2006 · This mod is all over the web. I guess its only for the 148 GTL. I tried it on my 148 nwst and something is just not right. Actually it just downright won't work! Same pll as the GTL. Anyone done a channel mod to the 148 NWST model Cobra? Im4jc I have seen the 3 switch mod somewhere too which reqiures resistor value changes. Cobra Mods This page describes modifications for the Cobra 148 GTL (PC-412) The PCB in this radio is almost identical to the Grant (PC-409) and the Madison (PC-411) and it can be used for comparisons This set is much the same as the Grant/Madison/Washington, as it uses the MB8719 PLL so adding another 40 channels is easy ! 21 / 25 Plus "LTD Kit" High Channel Installation Instruction. 25. 64-66. 21 / 25 Plus "LTD Kit" Low Channel Installation Instruction. 25. 61-63. 21 And 25 Plus Models Final Inductor Too Long Fix. 28. 46-47.Cobra 148 GTL. Enjoy the benefit of long-range SSB communications in a no-frills, super reliable unit. One of the most famous CB radios ever produced, praised for its durability, longevity and classic good looks. This model has been discontinued and we recommend the President McKinley , Uniden 980 and Galaxy 959 as replacements. COBRA 148GTL (F) LED FREQUENCY DISPLAY*DISCONTINUED*FULLY TESTED BRIGHT & CLEAR $40.00 $3.00 shipping 148gtl With Extra chans Slider npc Mod $275.00 $22.45 shipping or Best Offer 20 watching New Cobra 148GTL Replacement Channel Selector Knob 751-171-9-001 $3.99 $4.25 shipping 148 gtl $225.00 $17.05 shipping or Best Offer 10 watchingI now have a Cobra 148 GTL sside 5 pin mike. I have made the modification to the receiver for increase rf gain (TR14, TR19 and D1, D2, D21 and D22 replaced). I have also cut R131. On my GE, I made a modification on the clarifier to slide the freq slightly to help move my carrier out of the center of the channel (16 back then).Ch 28AM, 38 LSB and 26.915. Bolton Landing NY. Bolton Car 239 (VHF firecontrol ID) Base: Galaxy DX 959, Workman DM-1000 Echo Mic, IMAX 2000 antenna 55 feet up. 2005 GMC Sierra: Cobra 29LX, Workman DM 1000 Echo Mic, 102 inch ss antenna. 2005 Ford Explorer: Radio Shack TRC 503, RS Center load Mag mount antenna.Feb 12, 2006 · This mod is all over the web. I guess its only for the 148 GTL. I tried it on my 148 nwst and something is just not right. Actually it just downright won't work! Same pll as the GTL. Anyone done a channel mod to the 148 NWST model Cobra? Im4jc I have seen the 3 switch mod somewhere too which reqiures resistor value changes. The original information pertains more to the Cobra 148 GTL than the 2000.? I’ve also added my own tweaks.? This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. And, it does it cleanly! Cobra 148 GTL. Enjoy the benefit of long-range SSB communications in a no-frills, super reliable unit. One of the most famous CB radios ever produced, praised for its durability, longevity and classic good looks. This model has been discontinued and we recommend the President McKinley , Uniden 980 and Galaxy 959 as replacements.21 / 25 Plus "LTD Kit" High Channel Installation Instruction. 25. 64-66. 21 / 25 Plus "LTD Kit" Low Channel Installation Instruction. 25. 61-63. 21 And 25 Plus Models Final Inductor Too Long Fix. 28. 46-47. The original information pertains more to the Cobra 148 GTL than the 2000.? I’ve also added my own tweaks.? This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. And, it does it cleanly! 21 / 25 Plus "LTD Kit" High Channel Installation Instruction. 25. 64-66. 21 / 25 Plus "LTD Kit" Low Channel Installation Instruction. 25. 61-63. 21 And 25 Plus Models Final Inductor Too Long Fix. 28. 46-47.7 28 Lemoyne, Pa. Aug 16, 2011 #2 Replace the 11.1125 mhz crystal with a 11.3258 crystal. Locate PLL MB8719 chip right behind the channel selector. Isolate pin 10 from ground Cut all trace. Wire a switch from Pin 10 to ground and another from pin 11 to pin 12. You may need to re-align. 8719 channel chart Cobra 140 142 GTLI now have a Cobra 148 GTL sside 5 pin mike. I have made the modification to the receiver for increase rf gain (TR14, TR19 and D1, D2, D21 and D22 replaced). I have also cut R131. On my GE, I made a modification on the clarifier to slide the freq slightly to help move my carrier out of the center of the channel (16 back then).View and Download Cobra 148 GTL instruction manual online. ... Transmit: AM full mod., 2.2A. SSB 12 ... Set your COBRA 148GTL to Channel 21. Press the PTT (Push-to-Talk) switch, and tap the antenna (making it shorter). The SWR meter will show a lower reading each time the antenna is tapped. By continuing to shorten the antenna you will notice ... how to download video from mega link Large LCD display. Anytone AT-5555 on 11 meters. best stability, reliability and unprecedented quality, your multi-functional AT-5555 Radio 10-meter Radio is a new step in personal communication and is surely the best choice for professional users of CB radios. I now have a Cobra 148 GTL sside 5 pin mike. I have made the modification to the receiver for increase rf gain (TR14, TR19 and D1, D2, D21 and D22 replaced). I have also cut R131. On my GE, I made a modification on the clarifier to slide the freq slightly to help move my carrier out of the center of the channel (16 back then).The Cobra 148 CB radio is built for professional use when it comes to communication. This device has a wide range of technologies built into its design. You will find that this radio has the capability of picking up 40 different channels. Sep 20, 2007 · I know my 10 codes. Jul 26, 2008 #3. if the cobra 148 gtl Dx has the same board here is a mod. The tweak. #1 ~ Remove TR32. #2 ~ Change R174 (10K) to a 2.2k. #3 ~ Change R187 (10K) to a 2.2K. RECEIVE IMPROVEMENT! The stock AM dection diodes are 1N60P Devices, Replace them with ECG-583 Schottky Diodes. COBRA 148GTL (F) LED FREQUENCY DISPLAY*DISCONTINUED*FULLY TESTED BRIGHT & CLEAR $40.00 $3.00 shipping 148gtl With Extra chans Slider npc Mod $275.00 $22.45 shipping or Best Offer 20 watching New Cobra 148GTL Replacement Channel Selector Knob 751-171-9-001 $3.99 $4.25 shipping 148 gtl $225.00 $17.05 shipping or Best Offer 10 watchingSuits Cobra 146, Realistic TRC451, DSE Hornet 2, Uniden PC122 and AX144 etc. Internal fit - undetectable when radio is turned off. Gives 26.605 to 28.205 in 5 Khz steps with no gaps or skips. When switched off, radio functions as a standard 40 channel unit. Technician installation highly recommended.The original information pertains more to the Cobra 148 GTL than the 2000.? I’ve also added my own tweaks.? This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. And, it does it cleanly!This page describes modifications for the Cobra 148 GTL (PC-412) The PCB in this radio is almost identical to the Grant (PC-409) and the Madison (PC-411) and it can be used for comparisons This set is much the same as the Grant/Madison/Washington, as it uses the MB8719 PLL so adding another 40 channels is easy !Cobra Mods. This page describes modifications for the Cobra 148 GTL (PC-412). The PCB in this radio is almost identical to the Grant (PC-409) and the ...Cobra 148GTL Modifications. Roger Bleep Modification To disconnect the roger bleep remove C162. To switch the roger bleep connect a switch in line with one ... elster meter software download The original information pertains more to the Cobra 148 GTL than the 2000.? I’ve also added my own tweaks.? This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. And, it does it cleanly! Details The original Cobra 148GTL is back and better than ever! Professional driver-requested improvements include a front panel microphone connector for convenient in-dash installation, 9-foot microphone cord for easy reach anywhere within the cab, and tactile controls for added convenience and safety when adjusting functions. MSRP $189.95There are skipped channels between 40 and 45 plus 46 and 48, as well as others. The Cobra 148 GTL is the easiest of the MB 8719 chassis' to ...Large LCD display. Anytone AT-5555 on 11 meters. best stability, reliability and unprecedented quality, your multi-functional AT-5555 Radio 10-meter Radio is a new step in personal communication and is surely the best choice for professional users of CB radios.COBRA 148 GTL CB RADIO 40 Channel AM 80 SSB Has Never Been Installed NEW IN BOX. Sponsored. $450.00. Free shipping. cobra 148 gtl. $59.99 + $20.00 shipping. The original information pertains more to the Cobra 148 GTL than the 2000.? I’ve also added my own tweaks.? This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. And, it does it cleanly! Cobra 148 GTL. Enjoy the benefit of long-range SSB communications in a no-frills, super reliable unit. One of the most famous CB radios ever produced, praised for its durability, longevity and classic good looks. This model has been discontinued and we recommend the President McKinley , Uniden 980 and Galaxy 959 as replacements. modern rotational golf swing This mod is all over the web. I guess its only for the 148 GTL. I tried it on my 148 nwst and something is just not right. Actually it just downright won't work! Same pll as the GTL. Anyone done a channel mod to the 148 NWST model Cobra? Im4jc I have seen the 3 switch mod somewhere too which reqiures resistor value changes.This page describes modifications for the Cobra 148 GTL (PC-412) The PCB in this radio is almost identical to the Grant (PC-409) and the Madison (PC-411) and it can be used for comparisons This set is much the same as the …COBRA 148 GTL CB RADIO 40 Channel AM 80 SSB Has Never Been Installed NEW IN BOX. Sponsored. $450.00. Free shipping. cobra 148 gtl. $59.99 + $20.00 shipping. A page which list's the modulation boosts and tune ups for the cobra range of radio's Modifications Cobra Modification And Tuning List Click Here to load into my sites frames (you are missing out if you are not in my frames !) This counter shows the number hits since the 1st September 1998 Go Back To The Modifications PageThis mod is all over the web. I guess its only for the 148 GTL. I tried it on my 148 nwst and something is just not right. Actually it just downright won't work! Same pll as the GTL. Anyone done a channel mod to the 148 NWST model Cobra? Im4jc I have seen the 3 switch mod somewhere too which reqiures resistor value changes.This is the mobile unit (only says Cobra 148 GTL on the faceplate) with the selector knob for LSB, AM and USB. No; the 148 GTL/DX isn't even the same radio as the 148 GTL. Its a misnomer used to equate a newer generation of SSB radios using the same PLL chip. It is a mobile radio - though.Large LCD display. Anytone AT-5555 on 11 meters. best stability, reliability and unprecedented quality, your multi-functional AT-5555 Radio 10-meter Radio is a new step in personal communication and is surely the best choice for professional users of CB radios.Details The original Cobra 148GTL is back and better than ever! Professional driver-requested improvements include a front panel microphone connector for convenient in-dash installation, 9-foot microphone cord for easy reach anywhere within the cab, and tactile controls for added convenience and safety when adjusting functions. MSRP $189.95COBRA 148 GTL CB RADIO 40 Channel AM 80 SSB Has Never Been Installed NEW IN BOX. Sponsored. $450.00. Free shipping. cobra 148 gtl. $59.99 + $20.00 shipping.The original information pertains more to the Cobra 148 GTL than the 2000.? I’ve also added my own tweaks.? This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. And, it does it cleanly! luxe locker boise This is the mobile unit (only says Cobra 148 GTL on the faceplate) with the selector knob for LSB, AM and USB. No; the 148 GTL/DX isn't even the same radio as the 148 GTL. Its a misnomer used to equate a newer generation of SSB radios using the same PLL chip. It is a mobile radio - though.Feb 17, 2014 · Suits Cobra 146, Realistic TRC451, DSE Hornet 2, Uniden PC122 and AX144 etc. Internal fit - undetectable when radio is turned off. Gives 26.605 to 28.205 in 5 Khz steps with no gaps or skips. When switched off, radio functions as a standard 40 channel unit. Technician installation highly recommended. Feb 12, 2006 · This mod is all over the web. I guess its only for the 148 GTL. I tried it on my 148 nwst and something is just not right. Actually it just downright won't work! Same pll as the GTL. Anyone done a channel mod to the 148 NWST model Cobra? Im4jc I have seen the 3 switch mod somewhere too which reqiures resistor value changes. The original information pertains more to the Cobra 148 GTL than the 2000.? I’ve also added my own tweaks.? This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. And, it does it cleanly!This page describes modifications for the Cobra 148 GTL (PC-412) The PCB in this radio is almost identical to the Grant (PC-409) and the Madison (PC-411) and it can be used for comparisons This set is much the same as the Grant/Madison/Washington, as it uses the MB8719 PLL so adding another 40 channels is easy ! cranial technologies baby imaging specialist salary If you wanted a Cobra 148 with extra channels the 148F is nice because the frequency counter always lets you know where you are. Many people do the extra ...Same pll as the GTL. Anyone done a channel mod to the 148 NWST model Cobra? Im4jc I have seen the 3 switch mod somewhere too which reqiures ...21 / 25 Plus "LTD Kit" High Channel Installation Instruction. 25. 64-66. 21 / 25 Plus "LTD Kit" Low Channel Installation Instruction. 25. 61-63. 21 And 25 Plus Models Final Inductor Too Long Fix. 28. 46-47. gmc yukon xl autotrader COBRA 148 GTL CB RADIO 40 Channel AM 80 SSB Has Never Been Installed NEW IN BOX. Sponsored. $450.00. Free shipping. cobra 148 gtl. $59.99 + $20.00 shipping.Cobra 148 GTL. Enjoy the benefit of long-range SSB communications in a no-frills, super reliable unit. One of the most famous CB radios ever produced, praised for its durability, longevity and classic good looks. This model has been discontinued and we recommend the President McKinley , Uniden 980 and Galaxy 959 as replacements. 2011. 2. 19. ... My brother has a mk1 cobra 148 gtl dx and has asked me to do the channel expansion mod for him. Firstly,how shall I explain,I am licensed ...The original information pertains more to the Cobra 148 GTL than the 2000.? I’ve also added my own tweaks.? This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. And, it does it cleanly! I now have a Cobra 148 GTL sside 5 pin mike. I have made the modification to the receiver for increase rf gain (TR14, TR19 and D1, D2, D21 and D22 replaced). I have also cut R131. On my GE, I made a modification on the clarifier to slide the freq slightly to help move my carrier out of the center of the channel (16 back then).21 / 25 Plus "LTD Kit" High Channel Installation Instruction. 25. 64-66. 21 / 25 Plus "LTD Kit" Low Channel Installation Instruction. 25. 61-63. 21 And 25 Plus Models Final Inductor Too Long Fix. 28. 46-47.Cobra 148 gtl channel mods. This page is for informational/educational use only and comprised of archival URL information with back links.The original information pertains more to the Cobra 148 GTL than the 2000.? I’ve also added my own tweaks.? This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. And, it does it cleanly! 7 28 Lemoyne, Pa. Aug 16, 2011 #2 Replace the 11.1125 mhz crystal with a 11.3258 crystal. Locate PLL MB8719 chip right behind the channel selector. Isolate pin 10 from ground Cut all trace. Wire a switch from Pin 10 to ground and another from pin 11 to pin 12. You may need to re-align. 8719 channel chart Cobra 140 142 GTLLarge LCD display. Anytone AT-5555 on 11 meters. best stability, reliability and unprecedented quality, your multi-functional AT-5555 Radio 10-meter Radio is a new step in personal communication and is surely the best choice for professional users of CB radios.21 / 25 Plus "LTD Kit" High Channel Installation Instruction. 25. 64-66. 21 / 25 Plus "LTD Kit" Low Channel Installation Instruction. 25. 61-63. 21 And 25 Plus Models Final Inductor Too Long Fix. 28. 46-47.This page describes modifications for the Cobra 148 GTL (PC-412) The PCB in this radio is almost identical to the Grant (PC-409) and the Madison (PC-411) and it can be used for comparisons This set is much the same as the …Large LCD display. Anytone AT-5555 on 11 meters. best stability, reliability and unprecedented quality, your multi-functional AT-5555 Radio 10-meter Radio is a new step in personal communication and is surely the best choice for professional users of CB radios.21 / 25 Plus "LTD Kit" High Channel Installation Instruction. 25. 64-66. 21 / 25 Plus "LTD Kit" Low Channel Installation Instruction. 25. 61-63. 21 And 25 Plus Models Final Inductor Too Long Fix. 28. 46-47.2017. 7. 2. ... Something for the modification men out there. Take a look at this Cobra 148 GTL as modified I believe by PU4WLG Wander Lucio from Belo ...Cobra 148 GTL. Enjoy the benefit of long-range SSB communications in a no-frills, super reliable unit. One of the most famous CB radios ever produced, praised for its durability, longevity and classic good looks. This model has been discontinued and we recommend the President McKinley , Uniden 980 and Galaxy 959 as replacements. 21 / 25 Plus "LTD Kit" High Channel Installation Instruction. 25. 64-66. 21 / 25 Plus "LTD Kit" Low Channel Installation Instruction. 25. 61-63. 21 And 25 Plus Models Final Inductor Too Long Fix. 28. 46-47. Cobra 148 GTL. Enjoy the benefit of long-range SSB communications in a no-frills, super reliable unit. One of the most famous CB radios ever produced, praised for its durability, longevity and classic good looks. This model has been discontinued and we recommend the President McKinley , Uniden 980 and Galaxy 959 as replacements. I now have a Cobra 148 GTL sside 5 pin mike. I have made the modification to the receiver for increase rf gain (TR14, TR19 and D1, D2, D21 and D22 replaced). I have also cut R131. On my GE, I made a modification on the clarifier to slide the freq slightly to help move my carrier out of the center of the channel (16 back then).21 / 25 Plus "LTD Kit" High Channel Installation Instruction. 25. 64-66. 21 / 25 Plus "LTD Kit" Low Channel Installation Instruction. 25. 61-63. 21 And 25 Plus Models Final Inductor Too Long Fix. 28. 46-47.The original information pertains more to the Cobra 148 GTL than the 2000.? I’ve also added my own tweaks.? This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. And, it does it cleanly! Aug 16, 2011. #2. Replace the 11.1125 mhz crystal with a 11.3258 crystal. Locate PLL MB8719 chip right behind the channel selector. Isolate pin 10 from ground Cut all trace. Wire a switch from Pin 10 to ground and another from pin 11 to pin 12. You may need to re-align. 8719 channel chart Cobra 140 142 GTL.A page which list's the modulation boosts and tune ups for the cobra range of radio's Modifications Cobra Modification And Tuning List Click Here to load into my sites frames (you are missing out if you are not in my frames !) This counter shows the number hits since the 1st September 1998 Go Back To The Modifications Page gamo 10 shot air rifle price Find helpful customer reviews and review ratings for Cobra 148GTL CB 40 Channel 12 Watt Radio at Amazon.com. Read honest and unbiased product reviews from ...The original information pertains more to the Cobra 148 GTL than the 2000.? I’ve also added my own tweaks.? This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. And, it does it cleanly! signals fireworks 2019. 12. 20. ... Is this an ok mod to do? Cutting the trace and adding a switch? If using pin 13 for channels 41-44 the channels come up on these channels.Large LCD display. Anytone AT-5555 on 11 meters. best stability, reliability and unprecedented quality, your multi-functional AT-5555 Radio 10-meter Radio is a new step in personal communication and is surely the best choice for professional users of CB radios.COBRA 148 GTL CB RADIO 40 Channel AM 80 SSB Has Never Been Installed NEW IN BOX. Sponsored. $450.00. Free shipping. cobra 148 gtl. $59.99 + $20.00 shipping.Cobra 148 GTL (Click on the image for Large View) ... Basics:40 channel CB AM / SSB ... Radio and modifications purchase section - Purchase Instructions ...COBRA 148 GTL CB RADIO 40 Channel AM 80 SSB Has Never Been Installed NEW IN BOX. Sponsored. $450.00. Free shipping. cobra 148 gtl. $59.99 + $20.00 shipping.Cobra. Cobra 148GTL-DX. 120-Channel. Solid State, Citizens Band ... Use Channel 9 for Emergency Message Only. ... Transmit: AM full mod., 2.2A.Cobra 148 GTL. Enjoy the benefit of long-range SSB communications in a no-frills, super reliable unit. One of the most famous CB radios ever produced, praised for its durability, longevity and classic good looks. This model has been discontinued and we recommend the President McKinley , Uniden 980 and Galaxy 959 as replacements.Sep 20, 2007 · I know my 10 codes. Jul 26, 2008 #3. if the cobra 148 gtl Dx has the same board here is a mod. The tweak. #1 ~ Remove TR32. #2 ~ Change R174 (10K) to a 2.2k. #3 ~ Change R187 (10K) to a 2.2K. RECEIVE IMPROVEMENT! The stock AM dection diodes are 1N60P Devices, Replace them with ECG-583 Schottky Diodes. Cobra Mods This page describes modifications for the Cobra 148 GTL (PC-412) The PCB in this radio is almost identical to the Grant (PC-409) and the Madison (PC-411) and it can be used for comparisons This set is much the same as the Grant/Madison/Washington, as it uses the MB8719 PLL so adding another 40 channels is easy ! Large LCD display. Anytone AT-5555 on 11 meters. best stability, reliability and unprecedented quality, your multi-functional AT-5555 Radio 10-meter Radio is a new step in personal communication and is surely the best choice for professional users of CB radios. bath nh tax maps 2021. 10. 3. ... COBRA 148 GTL DDS MOD. 2.9K views 1 year ago ... Cobra 148 GTL AM / SSB CB radio overview with modifications by CBradiomagazine.com.This page describes modifications for the Cobra 148 GTL (PC-412) The PCB in this radio is almost identical to the Grant (PC-409) and the Madison (PC-411) and it can be used for comparisons This set is much the same as the …21 / 25 Plus "LTD Kit" High Channel Installation Instruction. 25. 64-66. 21 / 25 Plus "LTD Kit" Low Channel Installation Instruction. 25. 61-63. 21 And 25 Plus Models Final Inductor Too Long Fix. 28. 46-47.This page describes modifications for the Cobra 148 GTL (PC-412) The PCB in this radio is almost identical to the Grant (PC-409) and the Madison (PC-411) and it can be used for comparisons This set is much the same as the …COBRA 148GTL (F) LED FREQUENCY DISPLAY*DISCONTINUED*FULLY TESTED BRIGHT & CLEAR $40.00 $3.00 shipping 148gtl With Extra chans Slider npc Mod $275.00 $22.45 shipping or Best Offer 20 watching New Cobra 148GTL Replacement Channel Selector Knob 751-171-9-001 $3.99 $4.25 shipping 148 gtl $225.00 $17.05 shipping or Best Offer 10 watchingCobra 148 GTL. Enjoy the benefit of long-range SSB communications in a no-frills, super reliable unit. One of the most famous CB radios ever produced, praised for its durability, longevity and classic good looks. This model has been discontinued and we recommend the President McKinley , Uniden 980 and Galaxy 959 as replacements. crochet braids styles 2022 short hair Alignment information for the PTBM122 PCB. Preset to channel 40, mode USB, clarifier centered. The Mode in brackets ( ) indicates which mode the radio should be ...Cobra Mods. This page describes modifications for the Cobra 148 GTL (PC-412). The PCB in this radio is almost identical to the Grant (PC-409) and the ...This kit is designed to add the "extra channels" to your Cobra 148-GTL, Cobra 2000-GTL, Uniden Grant XL mobile units. Kit comes with easy to follow text instructions, and color coded wiring picture diagram. $25.00 EACH 148-XL Extra Channels Kit GALAXY MOBILE & BASE Extended Frequency "Extra Channels" Kit dollzmania maker This page describes modifications for the Cobra 148 GTL (PC-412) The PCB in this radio is almost identical to the Grant (PC-409) and the Madison (PC-411) and it can be used for comparisons This set is much the same as the Grant/Madison/Washington, as it uses the MB8719 PLL so adding another 40 channels is easy !COBRA 148 GTL CB RADIO 40 Channel AM 80 SSB Has Never Been Installed NEW IN BOX. Sponsored. $450.00. Free shipping. cobra 148 gtl. $59.99 + $20.00 shipping.Aug 16, 2011. #2. Replace the 11.1125 mhz crystal with a 11.3258 crystal. Locate PLL MB8719 chip right behind the channel selector. Isolate pin 10 from ground Cut all trace. Wire a switch from Pin 10 to ground and another from pin 11 to pin 12. You may need to re-align. 8719 channel chart Cobra 140 142 GTL. phone booth rental nyc Large LCD display. Anytone AT-5555 on 11 meters. best stability, reliability and unprecedented quality, your multi-functional AT-5555 Radio 10-meter Radio is a new step in personal communication and is surely the best choice for professional users of CB radios.I know my 10 codes. Jul 26, 2008 #3. if the cobra 148 gtl Dx has the same board here is a mod. The tweak. #1 ~ Remove TR32. #2 ~ Change R174 (10K) to a 2.2k. #3 ~ Change R187 (10K) to a 2.2K. RECEIVE IMPROVEMENT! The stock AM dection diodes are 1N60P Devices, Replace them with ECG-583 Schottky Diodes.Large LCD display. Anytone AT-5555 on 11 meters. best stability, reliability and unprecedented quality, your multi-functional AT-5555 Radio 10-meter Radio is a new step in personal communication and is surely the best choice for professional users …Large LCD display. Anytone AT-5555 on 11 meters. best stability, reliability and unprecedented quality, your multi-functional AT-5555 Radio 10-meter Radio is a new step in personal communication and is surely the best choice for professional users of CB radios. COBRA 148 GTL CB RADIO 40 Channel AM 80 SSB Has Never Been Installed NEW IN BOX. Sponsored. $450.00. Free shipping. cobra 148 gtl. $59.99 + $20.00 shipping.2019. 12. 20. ... Is this an ok mod to do? Cutting the trace and adding a switch? If using pin 13 for channels 41-44 the channels come up on these channels. zipper binder five star 21 / 25 Plus "LTD Kit" High Channel Installation Instruction. 25. 64-66. 21 / 25 Plus "LTD Kit" Low Channel Installation Instruction. 25. 61-63. 21 And 25 Plus Models Final Inductor Too Long Fix. 28. 46-47. Cobra Mods This page describes modifications for the Cobra 148 GTL (PC-412) The PCB in this radio is almost identical to the Grant (PC-409) and the Madison (PC-411) and it can be used for comparisons This set is much the same as the Grant/Madison/Washington, as it uses the MB8719 PLL so adding another 40 channels is easy ! Suits Cobra 146, Realistic TRC451, DSE Hornet 2, Uniden PC122 and AX144 etc. Internal fit - undetectable when radio is turned off. Gives 26.605 to 28.205 in 5 Khz steps with no gaps or skips. When switched off, radio functions as a standard 40 channel unit. Technician installation highly recommended.21 / 25 Plus "LTD Kit" High Channel Installation Instruction. 25. 64-66. 21 / 25 Plus "LTD Kit" Low Channel Installation Instruction. 25. 61-63. 21 And 25 Plus Models Final Inductor Too Long Fix. 28. 46-47.This mod is all over the web. I guess its only for the 148 GTL. I tried it on my 148 nwst and something is just not right. Actually it just downright won't work! Same pll as the GTL. Anyone done a channel mod to the 148 NWST model Cobra? Im4jc I have seen the 3 switch mod somewhere too which reqiures resistor value changes. silverton convertible boats for sale