i anly have an idea for a workaround
there are a dozen "tonegenerator" soft in the net (also double
tone for imd measurement of a tx but thats another story)
take one that can produce that magical low tone and mix it to your transmit audio
Am 02.02.2019 um 18:11 schrieb Big Don:
I just got SDR console working with my PLUTOs and made few across the room contacts on 2M, 220, 440, 903, 1296, 2.5G, 3G and 5G!