APRS: Data received via ISS

A clear pass over Portland, OR at 4:02PM on 5/2/2011. Here’s the data from the TNC. 0:TX -> K2NXF>APX200,WIDE2-2::RS0ISS-4 :Hi all via ISS…

Experiments with the ISS

I’ve attempted for months to catch a signal from the ISS as it quickly flies over head. Being in such a low-earth orbit,…

PHP: Geocoding with cURL and JSON…

wanting to balance the work load for a site between server-side and client-side tasks, i abstracted this very simple geocoding class with Google…

experiments with SSTV…

The other day I was able to send transmit and receive an SSTV transmission across the room using two Yaesu HTs and a…