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great handgun ammo test

AmmoToGo.com published the results of an excellent, thorough and hugely informative defensive handgun ammunition test. I have never seen one better; rarely one even close.

Quite noteworthy is that a bullet design may be excellent in one caliber but perform poorly in another.

Velocity is an interesting factor, but penetration and expanded diameter are more important. Anybody with a chronograph can give you the former. It is normally listed on the box and in promotional literature. Only shooting into ballistic gel provides the latter.

The best test fires bullets through simulated winter clothes into ballistic gel. AmmoToGo.co did […]

Jungle Antenna Building Workshop

July 6, 2019 – Darby, Montana

Six of us came to my Bunkhouse Road workshop from SE Darby hills, Hamilton and Alberton canyons – Technicians, Generals, Amateur Extras

Some white-board work explaining the math in metric and inches Our calculations were primarily done in metric (Ted’s slide rule prefers it) 300,000,000 meters per second / 147,000,000 Hz = 2.04 meters = 204 cm a quarter wave antenna will be about 50 cm long, as will each radial Measurements were done with metric + inch tape measure

Hardware: dual binding post to BNC connector BNC to SO-239 Adapter choices of […]

understanding geostationary satellite images

I have been a weather watcher since I began working outdoors a lot about 35 years ago. It was also around then I studied meteorology in college. Nowadays we have much better tools readily accessable to anybody. We also have geoengineers working the weather over on a massive, global scale.

One of my favorite tools is geostationary satellite GOES 17. Geostationary means it stays in a fixed position relative to our planet. I check this daily. It is, in fact, my home page.

Learn to read it and The Weather Underground regional infrared satellite image and you can […]