SITE TREE

My 'Shack' Check out my Rack mounted Bank of Fans

CHOKES

The World of 10 meter Beacons

SPORADIC- E   PROPAGATION

FULL SPACE WEATHER

USA AMATEUR RADIO HISTORY

'TIME LINE'

ANTENNA BASICS

DANGERS OF EARTH GROUNDING

MISSION CONTROL CENTER

3D - STEREO  SOLAR  LIVE

Go to the  MOON  Link

SOLDERING  PRACTICES

SOLAR   DYNAMICS  OBSERVATORY  LIVE

EXPERIMENTAL Version  Google Earth

Amateur Radio &  DX  Reference Guide

The San Francisco Radio Club and friends will be flying aboard  ARTEMIS  II

RADIO TERMINOLOGY M-Z

Wavelength

Live  VERY LARGE TELESCOPE  Chile

BEACON  AREAS

Chile

Live  FISHEYE  SCOPE 

HARMONIC TRAP FILTER

LOW PASS FILTERS

RadioTelescope  LIVE

TRANSISTORS

PROPAGATION BEACONS

https://phys.org/news/2026-01-antarctic-submillimeter-telescope-enables-view.html