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I recently put together a PCB for a termination insensitive amplifier, based on the original article by Wes Hayward, W7ZOI, and Bob Kopski, K3NHI. The general idea is to provide an amplifier that has an input impedance (usually presenting a 50Ω impedance) which does not depend upon the output load, and an output impedance that […]

The ISS is running a Slow Scan Television experiment, scheduled to start Tue. Oct. 8 and run through Mon. Oct. 14. More details here. Below are some pictures I picked up with my Yaesu FT-65R handheld and Android phone running Robot36 – SSTV Image Decoder:

I have a 3 month old Maytag MVW5430MW top load washing machine that failed to drain and would stop at the “wash” setting. I ran the diagnostics mode on it and found it had a F9E1 long drain fault. The following table demonstrates how to read this diagnostics code: The first set of LEDs that […]