JIm, W6LG shows how he recently used 2 off the shelf coax switches to connect 2 antennas to his transceiver at the same time. This simple solution replaced a box with vacuum relays, a control box and control cable.
Description Overview It will be 5 elements twin loop antenna of amateur radio 1200Mhz band for mobile. Decomposed and we try to carry. Connector will be the SMA connector. Element is also assembled easily at the time of the movement are ada... Read more
This is a view from NASA of the sun today, October 9, 2018, and I am making 10m DX contacts one after another. Zero sunspots but working DX on FT8! Is FT8 creating a “tipping point” for amateur radio at the very bottom of the solar... Read more
MFJ 4230DMP – Power Supply “A new digital display power supply from MFJ, the 4230DMP. This 30-amp power supply is perfect for portable operation or go kits…or both! Light weight and 3 power connections, 2 of which include... Read more
14-year-old Snehal Vagadia VU3WHO successfully received his first Slow Scan TV image from the International Space Station on Sunday, February 10. It w... Read more
Retevis RT97 Portable Mobile Analog Mode Repeater Features: 1, Customizable: The TX and RX frequencies can be customized between UHF (400-470MHZ) 2,... Read more
BURST 2000A HF power amplifier BURST-2000A 2200 W PEP output power (SSB and CW) All HF bands, including WARC bands and 6 meters Rated input pow... Read more