Rare Freeware & Hard To Find Freeware
Graphics converters, Java builders, Antenna Programs
DX Base Logging Software
DFAI.net Science, research, engineering, operating; 50 MHz,
144 MHz, Sporadic-E, Aurora, FAI, EME, the 'BeamFinder' analysis software by DF5AI.
Homebrew amateur radio site including tube and solid state transmitters and receivers.
Amateur Radio Newsline
DX Cluster on
Cityfreq Online database of scanner frequencies for thousands
of cities across the country. Updated weekly.
Police scanner frequencies You can find scanner frequency resources
from across the net US including free and commercial databases and listings.
Astronomy pages, amateur radio, space, and satellites.
Online computer-based training for the US amateur radio written exams