Month: March 2022

March 28, 2022 Island activities: The following are IOTA operations that were active this past week between March 21-25th (as per the DXCluster). Thanks to the individuals who put the island/group and mode (which is very important) on their QSNs Read more…

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…

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 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…