![Covering the Rules on Calling CQ [ ARRL PODCAST ]](https://qrznow.com/wp-content/uploads/2019/04/55492962_2213350308722602_7533613752353030144_n-610x380.jpg)
“Listening Outside the Ham Bands” is the topic of the new (April 11) episode of the “ARRL The Doctor is In“ podcast. Listen…and learn! Sponsored by DX Engineering, “ARRL The Doctor is In” is an informative discussion of all things technical. Listen on your computer, tablet, or smartphone — whenever and wherever you like! […] Read more
SOTABeams Features Fully adjustable audio band-pass filtering instantly adjustable for voice, data and CW (b/w 50 Hz to 5 kHz) VIDEO State-of-the-art adaptive noise reduction 100 levels plus advanced control functions VIDEO Adaptive tone eliminator get rid of annoying carriers – but leave CW Age-related hearing loss correction using ISO 7029:2017 median hearing-loss curves for males or […] Read more
The FAA-450 Antenna Analyzer is an open source project built from STM32-F7 Discovery board. This project originated from “EU1KY Antenna Analyzer V3”, which features with BIG COLOR TFT LCD, CAPACITIVE TOUCHSCREEN, HF/VHF(UHF) frequency coverage, built-in TDR function, and multiple scanning curves besides with SWR. These features may outperform many expensive antenna analyzers present on the […] Read more
Questions from the General Amateur Radio exam pool part 22. A simple method for Decibel power calculations. Receivers. Read more
Are you curious about the mysteries of signal propagation, or maybe wondering how well your antenna is working? The answer may be just a “WSPR” away. Read more
“This will be a multi-part video that was recorded at Flex Radio HQ in Austin Texas, March of 2019. SmartLink version 3, featuring MultiFlex, is about to be released on their Flex 6000 Series radios. In these videos, we get demonstrations of the Flex Maestro, the 6400, 6400M, 6600, 6600M, 6700 and we get to […] Read more
