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Signals, signals and signals

Roland @df3lz ·

17h

Instead of using it for MeshCom I installed the TinyGS firmware on a Lilygo Loraboard for 433 MHz. With this very simple groundplane antenna I received nearly 1000 packets in 24 hours from satellite' s transmitting around 401 MHz and 435 MHz

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RossRadio @cqcqcqdx ·

1 Mar

The Super Dual Auroral Radar Network (SuperDARN) antennas located at the Geographic South Pole in Antarctica. SuperDARN is an international radar network consisting of 32 installations used to study the Earth's upper atmosphere and ionosphere.

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Antonio (Tony) I56578 SWL 🇮🇹 @i56578_swl ·

24 Feb

Unid 142-byte Data Link protocol with fragmentation support. Data stream is structured into blocks and logical fragments which are one-to-one mapped to physical bursts. The process is orchestrated by the Block ID ➔ Fragment ID ➔ Packet Index hierarchy.
https://i56578-swl.blogspot.com/2026/02/a-142-byte-data-link-protocol-with.html

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Roland @df3lz ·

22 Feb

Very nice marine radioroom clock. Download at https://archive.org/details/marine-radioroom-clocks/

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