Re: Portable SWL setup with Airspy HF+ and GPD Win #hardware #airspyhfplus #swl #shortwave

Eric Oyen <eric.oyen@...>

sounds like you need about 8 type 31 ferrite beads to clip on the coax right after the receiver. this will drop the common mode induced signals.

DE n7zzt Eric

On Dec 27, 2017, at 4:28 AM, London Shortwave wrote:

Hi Tudor,

When the antenna is disconnected everything disappears, including the interference. This suggests that the noise from GPD travels via the ground/shielding part of the connection into the antenna system and then back with the signals.


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