• You can now help support WorldwideDX when you shop on Amazon at no additional cost to you! Simply follow this Shop on Amazon link first and a portion of any purchase is sent to WorldwideDX to help with site costs.
  • A Winner has been selected for the 2025 Radioddity Cyber Monday giveaway! Click Here to see who won!

Search results

  1. C

    5/8 wave gp homebrew grounding

    Yes the last 8 ft or so is the alum rods, sorry. I actually dont know what length it finished at , just adjusted until beat swr was in the mid 11 meter band. Pics coming aoon but its hard to see hidden in the tree. The lightening ground is the ground im talking about ETA: wouldnt ya know we had...
  2. C

    5/8 wave gp homebrew grounding

    I whipped up a 5/8 wAve gp for 11 meters this weekend. Its an upgrade (hopefully) from my 1/2 wave verticle dipole. Its about 15-20 ft offbthe ground at the base. It is hidden in a pine tree for now with future intentions of raising it up another 15-20 ft. Its made from about 15' of 1/2" copper...
  3. C

    Is there a difference in the old cobra 4 pin and new 4 pin?

    Ok, ill rewire the mic plug and ket you know how it works out, thanks
  4. C

    Is there a difference in the old cobra 4 pin and new 4 pin?

    This is going by the numbers on the plug. If the little cut out is up., 1 is top right, 2 bottom right, 3 bottom left, 4 top left. This is what it is 1. White 2. Black ground ( to frame not neg on battery) 3. Red 4. Blue Also how from the diagram do you match the colors with pin numbers...
  5. C

    Is there a difference in the old cobra 4 pin and new 4 pin?

    Ok i opened it up but not sure what to do. This is not nearly as easy asi thought it would be. There is no continuity between 1&3 with ptt button held in. And none between 1&4 either. Im lost. It does seemed to be wired right to the diagram on the plate.
  6. C

    How do i get face plate off older cobra 29gtl

    Now im confused, so the wires and rubber gromet pull outaling with bulb and the round part they are in is part of face plate?
  7. C

    How do i get face plate off older cobra 29gtl

    So the whole housing the bulb is in shoud push out? Its hard to push because the buld is sticking out and i already moved one of the bulbs back and the little green lens came off. Ill have to go at it again later tonight
  8. C

    How do i get face plate off older cobra 29gtl

    When i try to remove face plate, the only thing still attached is the wires to the 2 lights, on the inside the wires go into a round housing that the bulbs are in and appears to nexk down to a small diameter that is pressed into the face plate
  9. C

    How do i get face plate off older cobra 29gtl

    Looking to clean up and replace the power meter in a older 29 gtl. Only problem is the led lights for tx and rx are sort of pressed in, is there a trick to getting them out other than cutting their wires?
  10. C

    Is there a difference in the old cobra 4 pin and new 4 pin?

    Thanks for the help, now i just have to figure out how to do it. There is a schematic on the inside of the base plate so hopefully tonight when i get home i can figure it out.
  11. C

    Is there a difference in the old cobra 4 pin and new 4 pin?

    So if i attack pin 4 on d104, will it affect The other 4 pins that dont require it?
  12. C

    Is there a difference in the old cobra 4 pin and new 4 pin?

    Im cleaning up a old cobra 29gtl i picked up that seems to work really well. It has 4 pin mic jack. Im yrying to use my d104 desk mic which is wired for 4 pin and works on my galaxy949 and 2950dx (with adaptor). Does it need to be wired differently for the older 4 pin cobra? Also what baffles me...
  13. C

    Just picked up a Cobra 29GTL made in hong kong

    Got home plugged it in and works, for 15$, got a great report rught away on my base from a mobile. Doesnt appear to have been opened up? Is this a decent radio and what can be done with it?
  14. C

    Equiping a test/repair bench

    Wow. That book is not cheep !!
  15. C

    Anybody willing to give a beginner some basics on tuning?

    Never mind... Just found simar thread below this one. Ill folllow that
  16. C

    Anybody willing to give a beginner some basics on tuning?

    I am interested in learning to do a basic tune up on a 148gtl im getting tomorrow for cheep, also have a couple uniden pro 510xl that are not working properly. I picked up an oscilloscope a while back and made an inductive pick up. I have been playing around with calibrating the carrier and...
  17. C

    Please help, trouble shooting a grounding issue

    A wire wrapped around the coax with each end to the o scope jack, inductive pickup i believe?