HF Propagation
HF chart provided by IPS. © Copyright Commonwealth of Australia 2008. Solar-Terrestrial and HF and VHF propagation data provided and © Copyright of Paul L. Herrman. This site is provided as a public service for amateur radio operators by Remarkable Technologies, Inc.
Propagation
Solar Cycle 25 Is Here. NASA, NOAA Scientists Explain What That Means
This split image shows the difference between an active Sun during solar maximum (on the left, captured in April 2014) and a quiet Sun during solar mi... Read more
Our Sun Has Bad Aim with Storms to the East & West | Solar Storm Forecast 09.15.2020
https://www.youtube.com/watch?v=dYibU6gy3yw Read more
The K7RA Solar Update
Solar Update 09/11/2020 Tad Cook, K7RA, Seattle, reports: An extended lull in solar activity persists. The smoothed sunspot minimum occurred last Dece... Read more
News
New WSJT candidate release features FST4
Candidate releases are intended for beta testers, WSJT-X 2.3.0-rc1 offers the new modes FST4 and FST4W designed for use on the LF and MF bands WSJT-X... Read more
AO-27 satellite celebrates 27 years in space
Stephan Greene KS1G reports the AMRAD-Oscar 27 (AO-27) satellite has celebrated 27 years in orbit On the AMSAT Bulletin Board he writes: Happy 27... Read more
ARRL Seeks Changes in FCC Proposal to Delete 3.4 GHz Amateur Band
ARRL met via telephone with FCC staff members this week to emphasize its opposition to the FCC Notice of Proposed Rulemaking (NPRM) in Docke... Read more
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: Up until September 23, we saw 32 consecutive days with no sunspots. Then new sunspot group AR2773 appeared, which ha... Read more
Hams Help Find Kids by Monitoring FRS Radios
Late on the afternoon of September 16, the police department in Post Falls, Idaho, received a 911 call that two juveniles — ages 9 and 11 — were missi... Read more
International Telecommunication Union Releases 2020 ITU Radio Regulations
The International Telecommunication Union (ITU) has published the 2020 ITU Radio Regulations — the international treaty governing the g... Read more
New mode FST4 – WSJT-X
Steve Franke, K9AN; Bill Somerville, G4WJS; and Joe Taylor, K1JT Version 2.3 of WSJT-X introduces a new family of digital modes we designate FST41. Th... Read more
AIRSPY – SDR Software Download Update
Windows SDR Software Package (Change log)This package contains:SDR# (SDRSharp) x86 revision 1756 2991c02 (2020-09-23) – The best free SDR so... Read more
KM4BLG Wins the September 2020 QST Cover Plaque Award
QST Cover Plaque Award The winning article for the September 2020 QST Cover Plaque award is “Easy to Use Antenna Mast for Portable Operators” by Zach... Read more
Venerable AO-7 Satellite Approaching a Return to Full Solar Illumination
AMSAT-OSCAR 7 (AO-7), the oldest amateur radio satellite still in operation, is nearing a return to full illumination by the sun, which should take pl... Read more
Review
Abbree Foldable CS Tactical Antenna
“I was looking for an antenna to throw in my camping kit to give the portable radio a little more range. Typically campsites and backwoods locat... Read more
Xiegu G90 Go Box/Solar Generator Build Tutorial
Xiegu G90 Go Box/Solar Generator Build Tutorial Read more
Bridgecom Systems REVEALS the Skybridge Hotspot | EASY Pi-star Setup
Skybridge Hotspot | – High Power -> 10mW – 1.3″ OLED Screen – See your contacts and connection info! – Cross-Mo... Read more
ICOM IC-705 In Full Sunlight
ICOM IC-705 In Full Sunlight Read more
Langstone Project – SDR Transceiver using an Adalm PlutoSDR
https://www.youtube.com/watch?v=TgAkcmd7ixA Read more
5-MHz Interoperability Channels Designated for Wildfires and Hurricane Sally Response
The Federal Emergency Management Agency (FEMA) has announced that two 60-meter channels have been made available, as necessary, for interoperabil... Read more
ICOM IC 705 Raspberry Pi Setup WITH GPS
ICOM IC 705 Raspberry Pi Setup WITH GPS Read more
Comparing The ICOM IC-705 HF QRP & ICOM IC-7300 Transceivers
Comparing The ICOM IC-705 HF QRP & ICOM IC-7300 Transceivers Read more
What is a Ham Radio Hotspot | Digital Voice Ham Radio
Ham Radio Hotspot Read more
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