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Type: Posts; User: warmbells

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  1. Thanks agan Brandon, I'll have a go at building...

    Thanks agan Brandon,
    I'll have a go at building one (something to do whilst in Covid lockdown), I used to make my own PCBs some years ago and still have the bits and pieces about. I also have the...
  2. Looking for circuit for a very low power oscillator

    Hi,
    I'm looking for a circuit for a very low power 10Mhz oscillator that I can modulate with a tone so I can check some receivers I have.
    Can anyone point me in the right direction?

    Gerald
  3. Thanks Brandon, I should have been able to work...

    Thanks Brandon,
    I should have been able to work that out, but at 73 I think the grey cells are getting slower.
    Gerald
  4. Trying to find Local Oscillator frequency of Nooelec nesdr SMArt

    Hi,
    I've been trying to find out the frequency of the oscilator in the Nooelec nesdr SMArt to use with the Ham It Up Plus. I have tried to follow their instructions but cannot see a noise spike. If...
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    Portable Antennas Homebrew wideband Discone

    Hi,

    I'm looking to find plans to build aa mobile type wideband antenna to use with a SDR dongle. I want to put it in the roof space, the maximum height at the apex is 5 feet.

    Can anyone point...
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    1,332

    2M Active Antenna circuits?

    Hi,

    I have been a SWL for a very long time, listening on HF, 2M and 70Cms using various antennas. We had to relocate last year and have had problems getting permission for my antennas. I have...
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