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…
Year: 2022
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…
Vintage Electronics: Radio Technology Training film of 1949….
Vintage Electronics: Radio Technology Training film of 1949 covers basic principles of RADIO RECEIVERS. Very technical and but well-paced instructional film shows all the major components of RADIO and how they work, using a large wall-sized demonstration panel. Good information Read more…
DX bulletin #448 17/03/2022 By ON9CFG…..
DX bulletin #448 17/03/2022 By ON9CFG ON9CFG@telenet.be The FREE DX-World Weekly Bulletin written by Bjorn ON9CFG is available to download. Go to the LINK below to get the latest 10 page edition: https://www.dx-world.net/wp-content/uploads/2022/03/DX_448.pdf