This is a live observation from my new 134cm VLF/SIDs aerial which directly feeds into the computer soundcard.
Setting up MySQL on your own computer is generally straightforward, especially if you’re comfortable installing typical desktop software. The difficulty mainly depends on your operating system and whether you want…
When querying ChatGPT on the viability of connecting an USB splitter cable from a DC-DC 12V-5V converter to supply a Raspberry Pi ZERO 2W and SuperSID preamp, ChatGPT gave this…
https://www.astronomy.me.uk/wp-content/uploads/2026/02/Initial-Positive-Data-134cm-VLF-Aerial-with-direct-input-into-USB-Soundcard-LRO-250226.pdf
https://www.astronomy.me.uk/wp-content/uploads/2026/02/ZHL-1217HLN_dashboard.pdf
Dr Andrew ThornettLichfield Radio Observatory – www.astronomy.me.uk GPIO Labs produces a selection of filters and low-noise amplifiers designed specifically for observations of the neutral hydrogen spectral line at 1420 MHz.…
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:
I am grateful to the help of John Berman on this project – I based the arrangement at LRO on his design. It uses Spectrum Lab Spectrum Analyser software, and…
For a VLF receiving loop, the exact wire length is usually far less critical than people expect. At VLF (about 3–30 kHz): So you are not building a resonant half-wave…
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