Steve’s New Portable Vertical Antenna System
by Steve (VA3FLF/NC4SR) Vertical antennas are now extremely popular for portable operations. The market has exploded with assorted brands...
Category: how to
Sherlock Investigates: Li Ion Battery Solderability Failures
An investigation into the cause…
Tensioning Guy Wires
An “eHam Classic” by Bill Fisher, W4AN (SK) and Mark Lowell, N1LO
How to Keep RF Out of Your Rig
Some simple solutions to make your operating clean and stress-free!
The Ham Radio Spirit of Experimentation
The convoluted course of a major improvement to an excellent radio!
Improving the Noise Blanker of the Ten-Tec Onmni – C
A major improvement to an excellent radio, just 44 years late!
RFI Noise and Inexpensive Computer Power Supplies
An “eHam Classic” by W4LK
Lithium Ion Battery Safe
How to make a Lithium-Ion Battery Safe storage box.
Yaesu Microphone ‘Tricks’
An “eHam Classic” by W6RLF
Vestenna Review
How to make a vest that holds your pedestrian mobile whip while you hike and operate.
The Anatomy of a Solution
Sometimes, one must chase one’s tail for a while…
Sherlock Investigates: Varmints Under the Bonnet
Don’t get stranded by rodents, keep them at bay with this easy solution!
Build Your Own Transmitting Air Variable Capacitors!
An “eHam Classic” by David Hammack, N4DFP
Field Failure Database for Your Rig
W0RW shows how collecting data can expose repeating failure modes and help in correcting them.
Li Ion Battery Safety Shutdown
Keep your shack safe with a fail-safe battery charging protection systems!
Replacement of the Battery in Vacuum Tube Voltmeters (VTVM)
DL9BDM walks you through the process.