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Search results

  1. Old_Crow

    Cobra 148gtl parts list

    Be reminded tech's found that some caps need to be upgraded for better filtering, not what the spec is!
  2. Old_Crow

    Cobra 29 st transmitt

    Stay away from these short antennas, spend the extra $10 and get the K40 or a Firestick type antenna at a minimum. Also the cable is important, that's why some sell for $0.20 /ft and others $2 /ft.
  3. Old_Crow

    Hooking a mp4 player/recorder to the PA Jack

    I put a mono Y connector to external speaker jack for record and wired-up mic to accept mono plug for playback. The mic has to be keyed for it to work. Les than $5 in parts.
  4. Old_Crow

    Snake Radios Inc.

    Well if you have $500 to $800 bucks to throw at a $100 radio, Tims the man!
  5. Old_Crow

    WHAT IS BEST WAY TO STOP MIC SQUEAL ?

    You might need to add or replace .01 uf bypass caps, sounds like some voltage is getting into the audio. This happened with my turner plus 3. Check out video at 7.28 min on video for 5-pin by-pass caps.
  6. Old_Crow

    RF Sampler

    I added the pot for variable attenuation for a desired result through-out the bands
  7. Old_Crow

    Dielectric Grease

    I use it all the time, keep contacts clean in high humid areas,
  8. Old_Crow

    New old ham radio, need advice/opinions

    I agree, a good antenna system is very important. You can have a great radio but if the signal can not get out you become a mud-duck. It does not have to cost much but get some wire out there and up a high as you can. If you have a friend with a good antenna analyzer that would help out if your...
  9. Old_Crow

    #56 B&K 2040 Signal generator PLL issue

    You do nice work in your videos, thanks for the education keep it up.
  10. Old_Crow

    RF Sampler

    Try different ones, the values are good starting points, that's what's this hobby is about. When you find a good combination share it with us. Try to use at least 1/4 watt components for a cb. For a hotter radio you might have avoid using direct circuits and go to coils and toroid's. I once...
  11. Old_Crow

    RF Sampler

    I used this for CB channels and it was less than $10 to make I made 1 change,put a 20K pot instead of the resistor to ground. Works great!
  12. Old_Crow

    what to use to clean your equipment?

    Timmy the Tool at snake radio uses Paver cleaner and degreaser attached to his garden hose to "Douche it out" his customers radios, and people pay $40 /hr for this. :cry:
  13. Old_Crow

    BERINGER 802

    Exactly, that is when the 802 is not the mixer to use for transmit, to filter the receive with a powered speaker is another story.
  14. Old_Crow

    148 vs Export Radio - Why?

    Nothing like my old 148, its day are numbered, II will be very sad when she blows.
  15. Old_Crow

    POWER SUPPLY TO RUN HF

    I bought LED power supplies on eBay from a place in Washington. 35 amps was around $25. I use it as a test PS, It is holding up pretty well and very little noise.
  16. Old_Crow

    TO RECAP OR NOT TOO

    The good companies like Yaesu, Kenwood, Icom etc. used better quality cap than the cobras or CB's. They will last longer than the CB's but a time will come where the caps go bad. CB's have lower quality components and will go bad faster. But if it works don't fix it may be the way to go. What I...
  17. Old_Crow

    New Sirio Tornado 27

    I'm running 3/4" flat copper braid from my antenna switches ground lugs inside the garage to a copper ground rod 1 foot away from the garage. Also I use adapters to convert 3 pin ac to 2 pin on my power supplies. So far I have no ground loops or RF problems. Hope this helps.
  18. Old_Crow

    POWER SUPPLY TO RUN HF

    Some people put a resistor in the fan circuit so it always runs a slower, quieter speed. It also lets the regular circuit work if PS gets too hot. Check the forums of the fan kit. I use an Alinco 32Amp switcher and the fan does not make too much noise.
  19. Old_Crow

    BERINGER 802

    Note a Beringer 802 is not a mixer to use, its a toy, look at the cut off specs, you need at least at 3 channel equalizer to enhance the Mids. Playing with the 802's bass is ok but the high channel doesn't give enough range. However I do use the 802 for Karaoke, the kids love it!
  20. Old_Crow

    BERINGER 802

    With the old set-up using the 802 with a sure 58 I had good reports but had to repeat myself a lot to get my call out, with the 781 using suggested settings with minor tweaking I bust through the first time, conditions are relative.