The Russian Army relies heavily on HF radio. Using transmissions of 3-30MHz, HF transmissions traverse BLoS ranges because they bounce off the ionosphere back to Earth, like a snooker ball bouncing off the table’s cushion. This phenomenon means HF transmissions Read more…
Year: 2022
Some UK radio amateurs now licensed for 8M (40 -42 MHz)….
John EI7GL reports Ofcom is now issuing some UK radio amateurs with temporary Innovation and Research licences to transmit in the 40 MHz band On his blog John writes: Roger, G3XBM in the east of England can operate from the 2nd Read more…
Coax and Ladder-Line Info…
Coax and Ladder-Line Info Basic Feedline Facts for Hams RG-174 (50 ohms) is very small (~0.11″) and lossy. Suitable only for short pigtails and jumpers at very low power, as in receivers, scanners, etc. RG-58 (50 ohm) is about 0.195″, Read more…
Geommagnetic Storm Watch (G1 Class)….
Yesterday, the sun launched a coronal mass ejection (CME) toward Earth. Forecasters are divided on when it might arrive–sometime between midday on March 27th and early March 28th.The impact could spark minor G1-class geomagnetic storms with equinox auroras boosted by Read more…