This is amazing! AR 12740, which is an old cycle region and I honestly have not expected much, has produced a C9.9 (almost M-class) flare. The flare was very short duration, but note the spectacular large-scale coronal propagating front in the difference movie! pic.twitter.com/LVwMsVdrEq
— Halo CME (@halocme) May 6, 2019
Antenna
NVIS: Near Vertical Incidence Skywave [ PodCast ]
Sometimes the best direction to send your signal is straight up! Near vertical incidence skywave, or NVIS, is a skywave radio-wave propagation path... Read more
Feed Point Sealant
Description Liquid Rubber Feed Point Sealant 30ml bottle with brush-in-lid Applicator We have formulated an excellent UV resistant rubber sealant to e... Read more
InnovAntennas 5/7 (12) element 144/70MHz Yagi (2.4m)
InnovAntennas An Excellent Dual Band Yagi for 70/144MHz on a 2.4m boom and single feed point The 4-2-12 Dual Band Yagi has a total of 12 elements, 5 e... Read more
Optibeam OB8-4M 8 Element 4 Band
The OB8-4M is an extremely effective, compact and innovative Yagi for the classical four bands 40, 20, 15 and 10m. It is the first trapless Yagi for t... Read more
VHF
QYT KT8900 UHF VHF Mini Mobile Radio
QYT KT8900 UHF VHF Mini Mobile Radio + Programming Cable Item number KT8900 General Frequency Range VHF:136-174MHz UHF:400-480MHz Number of... Read more
Tytera TYT TH-8600 Dual Band Mini Mobile Two Way Radio
The TH-8600 is a powerful dual band, dual display and dual standby transceiver with 20 watts of power on 400-470MHz UHF and up to 25 watts on 136-174M... Read more
Es’hailSat 2 portable reception
Receiving Es’HailSat 2 from my balcony using *very* minimal setup. Read more
News
Contest University to Host Propagation Summit on January 23
Contest University (CTU) is holding a Virtual Propagation Summit on Saturday, January 23. The Zoom-platform event will get under way with introductory... Read more
FCC Notice: What You CAN And CANNOT Do With Ham Radio
FCC Notice: What You CAN And CANNOT Do With Ham Radio Read more
ARRL on the Purpose of Amateur Radio
For over 100 years amateur radio and ARRL — the National Association for Amateur Radio® — have stood for the development of the science and art of com... Read more
FCC Warns Amateur Radio Operators To Not Commit Crimes [ VIDEO]
“In a bizzare warning issued by the FCC and followed by a warning from the Association for Amateur Radio, The ARRL, ham are warned on a Sunday m... Read more
Review
How Your Radio’s Final Amp Class Affects Efficiency
An Oggie asks why his radio draws so much more power than the 100 watts it puts out. The answer lies in using linear final power amps in the Class A,... Read more
My Wife Bought More Radio Gear On Wish and Ali Express
My wife surprised me at the end of 2020 with a new random box of goodies from Wish and AliExpress. Today we unbox some of these ODD radios and radio a... Read more
FTdx10 vs IC-7300 Comparison
This week Jonathan compares the new Yaesu FTdx10 and the Icom IC-7300. What are your comments on either? Read more
ICOM IC-705 Review and Full Walk Through
Here’s the complete and detailed review of the ICOM IC-705. If you are already an owner of this unit, this video covers the essentials of the op... Read more