Setting up LRO 134cm VLF Aerial with direct input into USB Sound Card (except for 10 uF capacitor on one arm of input) on LRO-PC-10 mini-PC with Spectrum Lab software for continuous monitoring starting 21/2/26@18:00 UTC

By Admin February 21, 2026

Working configuration file on Spectrum Lab Software:

https://www.astronomy.me.uk/wp-content/uploads/2026/02/LRO_VLF_Config_works-with-134cm-aerial-LRO-PC-10-210226@1800.zip

Plot from Spectrum Lab showing the 5 stations being monitored & photo of the 134cm VLF aerial:

By Admin

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Setting up LRO 134cm VLF Aerial with direct input into USB Sound Card (except for 10 uF capacitor on one arm of input) on LRO-PC-10 mini-PC with Spectrum Lab software for continuous monitoring starting 21/2/26@18:00 UTC

First Light LRO 134cm VLF Aerial with Direct Sound Card Audio Input (10 uF capacitor on one arm) 20-21/2/2026

I am making VLF aerial out of 22 SWG enamelled copper wire about 150m long, wound around a wooden cross multiple times. How important is exactly length of the wire?

Success using direct USB audio soundcard input from VLF aerial (with serial 10 uF capacitor) at LRO 20/2/2026 @ 21:20 UTC