Farhan sent me the schematic of the AISAT amateur digital satellite that went into orbit on April 1, 2019 from India. He notes that the circuitry is very simple. Indeed, it reminds me of the very simple but effective circuitry we saw in satellites in the early days of the space age. Beautiful simplicity, with an Arduino on-board. And it is great to see that Farhan did not forget the low pass filter. FB OM.
Unique broadcast from WA2XMN on 42.8 MHz on the 19th of June 2025
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While we are all familiar with the 88 to 108 MHz FM broadcast band today,
it's origins can be traced back to 1936 with the very first experimental
statio...
8 minutes ago
Wow, An Arduino and 818 module in space! Very cool.
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