Author Archives: David Gerhart

IPv6 Block Reserve for Ham Radio

Link: Article In “The Register” Amateur Radio Digital Communications (ARDC) is a private foundation that exists to support amateur radio and digital communication science and technology. We do this through making grants (including support for scholarship programs and research & development projects) and managing 44Net. The ARDC The Internet Engineering Task Force Organization About theContinue reading “IPv6 Block Reserve for Ham Radio”

DX Alert: SFI > 190 Next Few Days

SFI stands for Solar Flux Index, and a value of more than 190 means that the Sun is highly active, resulting in excellent conditions for High-Frequency (HF) radio propagation (long-distance communication). QSL.Net On Radio Propagation SFI Range Solar Activity HF Propagation on High Bands 65–70 Solar Minimum (Low) Very Poor 100–150 Average to Moderate FairContinue reading “DX Alert: SFI > 190 Next Few Days”

Antenna Warning – High Winds Saturday

High Wind Warning issued October 23 at 11:13AM PDT until October 25 at 5:00PM PDT by NWS Medford OR * WHAT…Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE…Coastal and headland areas of Curry and Coos counties in addition to exposed areas on highway 101. * WHEN…From 4 AMContinue reading “Antenna Warning – High Winds Saturday”