Portable Power for Your Radios
By Thomas Witherspoon K4SWL
Having spent a serious amount of time pursuing amateur radio in the field with over 80 Parks on the Air (POTA) activations, Thomas has learned a lot about portable power supplies. From rechargeable AA batteries to LiFePo4LFPs, readers get a tutorial on the best way to power their rigs in the field.
TSM Reviews: An SDR Enters the World of Scanners: BlueTail P25RX
By Larry Van Horn N5FPW
This is an unconventional radio capable of monitoring conventional public service FM analog signals, APCO P25 Phase I and II, DMR and NXDN48 transmissions in frequency ranges from 130-245, 256-327, 380-490, 763-824, 849-869 and 894-960 MHz. Larry puts this receiver into use both on the desktop and on the road.
The World of Amateur Radio Astronomy
By Stan Nelson KB5VL
Radio astronomy is a relatively new discipline in modern science that has its roots in amateur radio from the 1930s. Stan chronicles the tradition of amateurs in radio astronomy today with the help of low-cost receivers and computers dedicated to scanning the skies for near space and outer space action.
Shipborne Communications from Spark Gap to Satellite
By Guy McCullough K4ICP
Radio communications from ship-to-ship and ship-to-shore was one of the first applications of the technology that emerged early in the 20th Century. Guy takes us on a tour of maritime monitoring from its earliest days of Morse messaging via spark gap to the present with global satellite communications.
FRS and GMRS: Yesterday, Today and Tomorrow
By Mark Haverstock K8MSH
Since the late 1930s there has been a push for a license-free class of low-cost, low-powered radios that anyone could use to communicate with family and friends. It took the FCC several decades to iron out the details and today the Family Radio Service and General Mobile Radio Service fills the bill. Mark gives us an update.
KiwiSDR Shortwave Listening Network
By Bob Grove W8JHD
Through the generosity and technical know-how of hundreds of hams and shortwave listeners around the world, there is a network of HF radios that anyone with a computer connection can access for free that lets you tune in the world from another listening post somewhere else in the world. Bob explains how it works.
WWII Radio Propaganda Part 3:
The Voices Behind ‘Axis Sally’
By Scott A. Caldwell
This month Scott chronicles the lives of two women who gained notoriety during WWII for their vitriolic international broadcasts designed to demoralize Allied troops. It did not turn out well for either.
Scanning America
By Dan Veeneman
800 MHz Rebanding
Federal Wavelengths
By Chris Parris
Finding Federal Frequencies
Milcom
By Larry Van Horn N5FPW
Monitoring UHF Military Satellites
Utility Planet
By Hugh Stegman
Cuban “Numbers” Revival Continues
Shortwave Utility Logs
By Mike Chace-Ortiz and Hugh Stegman
VHF and Above
By Joe Lynch N6CL
Amateur Radio Gets a Partial Reprieve on 3.5 GHz
Digitally Speaking
By Cory GB Sickles WA3UVV
Spring into Action!
Amateur Radio Insights
By Kirk Kleinschmidt NT0Z
Whither QSLing?
Radio 101
By Ken Reitz KS4ZR
Listening to Baseball on the Radio 2021
The World of Shortwave Listening
By Rob Wagner VK3BVW
Antennas…BIG Antennas!
The Shortwave Listener
By Fred Waterer
WWCR, WRMI and BBC Fare for April
Adventures in Radio Restoration
By Rich Post KB8TAD
The Universal Modulator: WRL Globe UM-1
Antenna Connections
By Robert Gulley K4PKM
Harmonic Antennas