Ham Radio Test Online – USA conducts first online ham radio exam – special thanks to W5YI for supporting this project.
Antenna
Small Garden Vertical HF Antenna Installation
Vertical HF Antenna Installation Read more
An Unusual Jpole Antenna
An Unusual Jpole Antenna Read more
CHA MPAS LITE: CHAMELEON DESIGNS A NEW QRP COMPACT PORTABLE ANTENNA SYSTEM
The CHA MPAS LITE is the little brother of the CHA MPAS 2.0 – the most popular Modular Portable Antenna ... Read more
How I designed the Nebula eXtreme Multiband 18m DX Commander Antenna
eXtreme Multiband 18m DX Read more
The repeter antenna of the ISS
The repeter antenna of the ISS Source: URE Read more
VHF
Promotion video of ICOM IP730D/IP740D
The IP730D series is an innovative hybrid IP radio with licensed professional radio mode for local and nationwide communications. Read more
University in Poland will Launch Balloon with VLF Transmitter On Board
A balloon experiment by Warsaw University of Technology is planned to lift off on September 12, carrying a unique very-low-frequency (VLF) 210-meter l... Read more
IC-SAT100 Operation Guide
https://www.youtube.com/watch?v=O_0sqZIjiCc Read more
ISS 437.800 MHz cross band FM repeater activated
At 01:02 GMT on September 2 a cross band FM amateur radio repeater with a downlink on 437.800 MHz was activated on the International Space Statio. The... Read more
Baofeng UV-82×3 Triband Ham Radio Review and Power Testing
https://www.youtube.com/watch?v=nkZheUgugdQ Read more
Equipment
Soundcards and the SignaLink USB
Soundcards and the SignaLink USB Read more
Weird Ham Radios: Manpack Backpack HYS TG-G25W
SPECIFICATION:Built-in 6A Li-ion battery for 10W radio12A Li-ion battery for 25W radioRadioator FanMini size:210*152*44mmFrequency Range: 136-174/400-... Read more
NanoVNA V2 Plus4
4GHz second generation NanoVNA vector network analyzer, our own design. The V2 Plus4 is the latest hardware version with 4″ display, aluminum ca... Read more
The soon to be released GSOC from XieGu
https://www.youtube.com/watch?v=RdXYoiP3WFQ Read more
Propagation
A Spectacular Solar Flare Fire Plume & New Bright Regions
A Spectacular Solar Flare Fire Plume & New Bright Regions Read more
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: Sunspots returned on October 9 – 12, with sunspot numbers of 24, 26, 15 and 15. No sunspot appeared on October 13, b... Read more
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: Geomagnetic activity quieted down over the October 1 – 7 reporting week. Compared to the previous 7 days, average da... Read more
Solar Physicist Predicts a Slightly Better Solar Cycle 25
Solar physicist Leif Svalgaard of the W.W. Hansen Experimental Physics Laboratory at Stanford University has predicted a maximum sunspot number of 128... Read more
A Bright Region Leaves & Solar Storm Wanes with a Mini-Storm Kiss | Solar Storm Forecast 10.06.2020
https://www.youtube.com/watch?v=Vvv8gseN0Gc Read more
