propagation programs

N1KXR/B - Ten-Meter Propagation Beacon - N1KXR/B went on the air at 21:00 Hours EST on Saturday, November 22, 2008 and has been in continual operation. Located in Northampton, Massachusetts [USA] (grid square: FN32), it transmits 24/7/365 and is coordinated with the IARU Region 2 HF Beacon Coordinator.

K6FRC Beacons - 50Mhz 28Mhz 13.5Mhz amateur radio propagation beacons by K6FRC

The VE3TO Radio Propagation Beacon - The VE3TO/B beacon has been on the air since 11 September 2006 active on 10132.0 kHz

Propagation on 137 kHz - Propagation in the LF-Band

136 kHz direct conversion receiver - IK2PII describe here a simple direct conversion receiver, thinked for QRSS and DFCW communications, as companion of ARGO or SPECTRAN programs.

Electromagnetic Wave Propagation by Conduction - A sacrilegious re-examination of current wave propagation theory and proposal of a new, more comprehensive and logical alternative.

WaveGuide  ^new - Real-time HF propagation conditions for iOS. WaveGuide ia a ham radio utility for determining HF propagation conditions at the touch of a finger.