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Now for something completely different....


 

Hi Carl,
I have seen similar things and found they were due to the front end of my SDRPlay being overloaded, probably at a frequency outside the range of the spectrograph.? When I increased the front?end attenuation the "backward" ionosonde image largely disappeared.
Jim


On Sun, May 25, 2025 at 8:36?AM Carl Pajak Phone via <pajakonice=[email protected]> wrote:
Good day all,

Picked up some "Diamond Ionosondes", ground wave reflections, broken equipment? Thoughts?
Carl
Wasilla, AK


 

Thanks Jim,
I was believing that may have been the case.? I have just started using SDRConsole and am still doing some tweeks to the setting for my location.? I have the gain down past the "recommended" setting.? Seems to only occur during the predawn, at my location, hours...
Carl

On Sun, May 25, 2025 at 7:23?PM Jim Sky via <kh6sky=[email protected]> wrote:
Hi Carl,
I have seen similar things and found they were due to the front end of my SDRPlay being overloaded, probably at a frequency outside the range of the spectrograph.? When I increased the front?end attenuation the "backward" ionosonde image largely disappeared.
Jim


On Sun, May 25, 2025 at 8:36?AM Carl Pajak Phone via <pajakonice=[email protected]> wrote:
Good day all,

Picked up some "Diamond Ionosondes", ground wave reflections, broken equipment? Thoughts?
Carl
Wasilla, AK