SAQ reception system

[F5VLB]

I use two electrodes of 2m long buried underground, 100m apart and oriented 285°. I feed an usb sound card UMC202HD from Behringer and decode with spectrum lab. Very noisy here in Brittany France due to proximity of a water pump station and the speed controller regulators radiating a lot of interferences as one can see on the picture. Anyway a faint signal was decoded.
73’s Jean Marie F5VLB
https://www.facebook.com/groups/earthprobes

saq reception

Topic

[Jean Marie POLARD]

Good evening Rich, have a try ! if you do try, you don’t know. Earth probes antenna (epa)works even when the soil is dry. I have done tests during summers, in RX and TX mode, even on 8.25kHz (yes 8270 Hertz). For more information come on https://www.facebook.com/groups/earthprobes there is a files section with plenty of pdf about the topic.
Good luck, and keep us informed.
73’s Jean Marie F5VLB

[rich.g.williams]

“two electrodes of 2m long buried underground, 100m apart and oriented 285°” That’s a good idea, does the ground need to be fairly dry for that to work? I’m assuming your electrodes are measuring the small potential difference created by the SAQ E-Field component. I have tried a 10m circular loop of insulated wire placed on the ground and it works well for some VLF transmitters but not SAQ (because SAQ M-Field is horizontal).

I will experiment with your setup next time SAQ transmits, I can easily get an electrode (Ground Rod) separation of 25m minimum.

[Author]

Replies