Measure the length of coax, etc. with your scope, a battery, and a resistor – simple TDR
https://youtu.be/z6UJPqQYzNc Source
Video
The Columbian radio station on 93.1 MHz heard 4580kms away in Chile by TEP – Nov 2020
Over the last month or so, I've had several posts up on the blog about recent Trans-Equatorial Propagation (TEP) openings...
Vintage Tech: The Simpson 260 VOM Volt-Ohm-Milliammeter family
https://youtu.be/eXQLq4X47hk Source
Recovering the MFJ-1886 RX-only Loop Antenna. Disassembly and Testing
My MFJ-1886 Receive-only Loop Antenna was trashed by a large animal a couple of days ago (See AD #328). In...
ExpertPower Lithium Iron Phosphate Smart Charger – Ham Radio Q&A
The ExpertPower 12 volt 5 amp Smart Charger is designed to work with Lithium Iron Phosphate (LiFePO4) batteries of 10...
mAT-705 Tuner Introduction
https://youtu.be/-adf_Jm_rAg The MAT-705 is a very small and powerful tuner for portable shortwave devices, specially designed for the Icom IC-705....
A One-Two Direct Punch from the Sun | Informal Solar Storm Forecast 12-08-2020
https://youtu.be/bgB8JxYcQFE Source
FTDX10 – New Video
https://youtu.be/2qJkqxBx30g Hybrid SDR Configuration: Like the FTDX101 series, the new FTDX10 utilizes the Yaesu Hybrid SDR configuration – Narrow Band...
Turn a Cheap Ham Radio Into An APRS & WinLink Transceiver
“Today we take a look at the Mobilinkd TNC3. The TNC3 uses the KISS protocol to feed packet data to...
QYT KT-780 Plus 100 Watts 2 meter Mobile Radio Review and Demo
The QYT KT-780 Plus is a 100-watt mobile radio on the 2-meter Amateur Radio Band and works on FM mode....
