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  1. Replies
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    it could be many things! Do you have volume...

    it could be many things! Do you have volume control in voice modes?
    could be a faulty switch, amplifier, relay, or output transformer
    you might need an audio signal probe to find where its faulty!
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    your fan wants to be equipped with a temp sensor!...

    your fan wants to be equipped with a temp sensor!
    worrying about fan noise is not a concern when its protecting your radio equipment, I hear this argument all the time with computer gamers.
    they...
  3. sometimes you can buy an antenna for your radio...

    sometimes you can buy an antenna for your radio that hasnt been tuned properly.
    I built a portable 2 meter vertical with ground plane that I connect to my uv9r and it works great!
    I tuned the...
  4. a pc power supply is a switching power supply and...

    a pc power supply is a switching power supply and can often make a lot of unwanted electrical noise in radio equipment.
    If I remember correctly
    what needs to be done with an atx supply is to locate...
  5. I know what you mean Ive seen more than my fair...

    I know what you mean Ive seen more than my fair share of "fuzzy" schematic's that have given me headaches:rolleyes-new:
    luckily my fuzzy kid helps me calm down:cat:
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    cheapie chinese tuner

    I bought one of those little chinese qrp tuners and built it for the practice. It does work better than I expected. ...
  7. Thread: Patch panel?

    by gnuuser
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    437

    Patch panels are an interesting Idea If your...

    Patch panels are an interesting Idea If your equipment is buss grounded(as it should be for safety) your antenna switch might want to be able to isolate both conductors of the different transmission...
  8. Thread: boafeng uv 9r

    by gnuuser
    Replies
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    2,851

    I definitely intend to get a better radio when i...

    I definitely intend to get a better radio when i can But the only reason i chose this in the first place is that it will be used for emergency when I'm on the road.

    my choice however is to build...
  9. Thread: boafeng uv 9r

    by gnuuser
    Replies
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    2,851

    every review Ive read and heard slams the radio...

    every review Ive read and heard slams the radio and often the people who buy them.
    Yes its an entry level radio and no not everyone is a cheapskate!

    what should i buy? spend a lot of money for a...
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    nice site! offering avenues for people to use...

    nice site!
    offering avenues for people to use for getting their licenses is great.
    I just wish it was a little easier here for those of us who are shut in due to government regulations!
  11. Thread: Introduction

    by gnuuser
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    Welcome and congrats on getting your ticket! I...

    Welcome and congrats on getting your ticket!
    I still waiting on the ve's in our area to come out of hiding (with all the covid crap going on I might be in for a long wait!)
    the online requirements...
  12. Thread: Classifieds?

    by gnuuser
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    389

    this other site has a classifieds...

    this other site has a classifieds
    http://theradioboard.com/rb/

    anyhow Im like you except I have been in computer and electronics repair for a long time now.
    I actually ran a tv repair service...
  13. Thread: Classifieds?

    by gnuuser
    Replies
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    389

    the 4sqrp site you can get the kits and build...

    the 4sqrp site you can get the kits and build yourself or you can choose a builder who will assemble and test your radio for you.
    but i gotta tell you the kits are dead simple to build and the...
  14. Thread: Classifieds?

    by gnuuser
    Replies
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    389

    there are numerous sites out there for kits ...

    there are numerous sites out there for kits
    https://qrpguys.com/
    http://qrpme.com/
    http://www.4sqrp.com/index.php
    https://www.qrp-labs.com/
    these i have ordered kits from but here is a site...
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    Here is a good place to pick up kits around your...

    Here is a good place to pick up kits around your neck of the woods.
    https://www.minikits.com.au/
    they offer some nice kits to build and you wouldn't have to wait very long to get them.

    while...
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    4sqrp ozark patrol regenerative reciever

    I am a new kitter for this neat shortwave regen radio reciever.
    http://www.4sqrp.com/ozarkpatrol.php
    anyhow they also have other qrp kits and accessories.

    but on to the original topic:
    this...
  17. Thread: Clueless!

    by gnuuser
    Replies
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    575

    In most cases encryption of tactical frequencies...

    In most cases encryption of tactical frequencies is to prevent possible suspects for knowing whats going on to protect the lives of the law enforcement/ first responders, and the public lives.
    ...
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    passive solar heat can provide some warmth and...

    passive solar heat can provide some warmth and would be a heck of a lot safer than using a fuel type or electric heater.
    a lot less electrical noise or risk of fire.

    your problem though as others...
  19. i used to build both passive and active(...

    i used to build both passive and active( electrical conversion) solar heating systems as a hobby when i was about 20 years old (40 years ago)
    even though the passive systems were easy to build there...
  20. general practice for a cb antenna was to make the...

    general practice for a cb antenna was to make the coax ( usually rg58 or rg 8) 18 feet in length. this afforded the best chance of obtaining a match with ground plane type antennas. But with the mag...
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    please clarify what you mean by nothing from the...

    please clarify what you mean by nothing from the speakers?
    buying a used radio you should expect there is some reason it was for sale.
    often its an estate sale but sometimes people will sell a...
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    Base Radios cw will travel the farthest But its all dependent...

    cw will travel the farthest But its all dependent upon having a proper sized and tuned antenna for the frequency you are using.
    power output is another factor to consider.
    in most cases where you...
  23. back to the original post though: study the...

    back to the original post though:
    study the adiabatic equation! ( this equation explains the expansion of metals and materials due to temperature)
    anyhow different materials absorb heat energy at...
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    adding a spring to the base of the whip also...

    adding a spring to the base of the whip also helps prevent damage.
    although the whip may sway a bit more, it doens't affect performance very much
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    linear power supplies can be purchased or they...

    linear power supplies can be purchased or they can be home brewed! It depends on how much involved you want to be!
    Home-brewing is part of being a ham because you learn as you go.
    you can spend...
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