Re: VLF: Finally back on the 58 km band...

[DK7FC <selberdenken@posteo.de>]

Am 27.12.2017 15:20, schrieb Paul Nicholson:
> As you can see, the problem with H S/N at this frequency
> is still there.  I can say with confidence it is not
> the rx and probably not the antenna.
So what is it? QRM by power lines, or, in other words, the location?
You need a wide power loss like EI8JK in my 7th(?) kite experiment. Then 
the QRM is low and you can see the difference :-)
Or is it the isolation transformer maybe that causes IM?

Maybe it helps to build a portable RX system (Raspi+octo) to test the 
antenna as it is now in this location. And then, in a second test, build 
a similar antenna and test it in q quieter location, using the same 
preamp and transformers...
73, Stefan

PS: Here, just completed the 13th of 14 layers of the first of 3 coils 
for a 970 Hz transformer...