Re: New SpyServer optimizations and features #spyserver

Martin - G8JNJ

Hi Jon,

The Wellbrook tends to have a high output on the lower frequencies.

You could try adding something like a 100pF capacitor in series with the RF feed to the RTL-SDR as a very crude amplitude equaliser.

This will roll off the gain at 2MHz by about 20dB and 1dB at 30MHz but will still be OK for MF reception as the natural noise floor tends to dominate on the lower frequencies. If the attenuation is to much try a slightly larger value of capacitor until you find a happy compromise.

Here's a link to an online attenuator calculator.


Martin - G8JNJ

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