Blog Author Note: This is a paper written with Dr. Scott McIntosh of Lynker Space. A PDF of this article is available by clicking here. Reproduction with attribution is permitted. Sunspots to amateur radio operators are central to daily operations, especially on the HF bands. Ever since Schwabe began counting and plotting daily observed sunspots […]
With the copyright terms used by The Spectrum Monitor, my cover article in last month’s August issue is now freely available. I’ve put a PDF of the article with cover page and table of the issue’s contents over at FoxMikeHotel.com. I hope you will take a look at it if you do not already subscribe […]
CHOTA 2025 is nigh! 20M US-UK calling frequency at top of each hour: 14.247MHz Here in the U.S., Churches and Chapels on the Air is a new concept. I was fortunate to play a leading role a couple of years ago in herding a few cats on this side of the pond to get on […]
Author’s Preface: I have revised my inductor coil table numbers and the narrative text pertaining to it. Clint KA7OEI posted a comment on the syndicated version at AmateurRadio.com. He questioned my Q estimates for the JPC-7 coil, based on his own tests as well as the very low numbers I reported. I owe Clint a […]