Rev Mook boosted

ARRL VHF contest station on a summit, W6/CT-146. This is a 6M dipole. I later attached a roll up j-pole to the end of one of the elements for 70cm. I tried to avoid 2M, but made two contacts there at the request of a repeater friend.

Rev Mook boosted

#introduction

Hi! I'm going by Dubby here. I'm a ham located on the front range of the Rocky mountains in the US. Currently having fun exploring #SDR on VHF, listening in on websdr.org, and practicing #CW. Want to get more into operating on the air and playing with radio security.

Rev Mook boosted

I got these chinese 8ohm 100w resistors to measure thd+ noise, frequency response, power output exc, of HiFi amps on an Audio Precision. Tiny compared to my Dale 250w, 6ohm resistor. I need to check if they are inductive or not, and I'm going to need a huge heat sink.

Not a QSO, but it's nice to know I can get to Nebraska on 6M via FT8.

Bicycle mobile amateur radio station. 2m FM, 2m SSB, 70cm repeater stuff, y 5ghz w/ @alrs

Rev Mook boosted

Hello mastodon.radio ! This is an #introductions , as requested.

I recently returned to Mastodon after hearing about this instance on a different site. I'm really passionate about electronics, robotics, and promoting diversity in amateur radio/promoting the hobby among other teenagers.

My current project is ilyh.org .

Power poles, 12v -> 24v buck converter into a passive POE injector for a Ubiquity node running AREDN. Much less current draw than the small inverter I used before. Hopefully this won't flog the HF bands with QRM.

Rev Mook boosted

The Western Electric Type-B, 100-point, 6-wire telephone crossbar switch (1970). An invention from a century ago, back when switches had coils and magnets, not ifconfig, ethtool or netfilter, it was where the idea of the keyboard matrix, matrix ROM and LED matrix originally came from, the same topology is also used for interconnection in multiprocessor computer systems. #retrocomputing #electronics

Rev Mook boosted

The Smithsonian announced today that they have released 2.8 million images into the public domain (CC0 license). In celebration of this I made a bot you can follow that will post one random image from the set every 8 hours:

@si

For more on the imageset, see here: smithsonianmag.com/smithsonian

Rev Mook boosted

I was sending a PL signal across a stadium but part of it wasn't getting there. Found this on the other end. :/

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