“The National Science Foundation released the first images from the Daniel K. Inouye Solar Telescope, considered to be the most detailed images of the Sun to date. The first movie covers an area of 36,500 x 36,500 km (22,600 x 22,600 miles, 51 x 51 arcseconds), while the second one covers an area of 19,000 x 10,700 km (11,800 x 6,700 miles or 27 x 15 arcseconds). The Daniel K. Inouye Solar Telescope (DKIST) is a scientific facility for studies of the Sun at Haleakala Observatory on the Hawaiian island of Maui named after Daniel K. Inouye, a US Senator for Hawaii. Credit: NSO/AURA/NSF Music: Rising Sun by DivKidcourtesy of YouTube Audio Library”
VHF
Wouxun KG-D901 (DMR) – Unboxing
Wouxun KG-D901 Read more
![SDS100 – UNIDEN [ True I/Q Digital Handheld Scanner ]](https://qrznow.com/wp-content/uploads/2018/10/SDS100-265x168.jpg)
SDS100 – UNIDEN [ True I/Q Digital Handheld Scanner ]
SD100 Uniden Uniden creates another first with the SDS100 True I/Q Scanner, the first scanner to incorporate Software Defined Radio technology to prov... Read more
Introducing Icom’s IC-A25NE Next Generation Airband Radio
Icom is pleased to launch a new advanced 8.33 kHz handportable radio to its airband range. The IC-A25NE is the latest development in airband radio tec... Read more
New Video, D-STAR and the Icom RS-MS1A Android App
Icom UK together with TX Films have produced a video providing an introduction to D-STAR and the Icom RS-MS1A Android D-STAR application softwa... Read more
RT97 Portable Repeater Power Amplifier UHF
RT97 Portable Repeater – Retevis Multi working power selection, working with the matching power adapter, and also can work under DC12V~24V power... Read more
USA Amateur Grid Square Map from ICOM
USA Amateur Grid Square Map An invisible grid, based on 1° latitude by 2° longitude, encompasses the globe and is used for geographic lo... Read more
Review
“Automatic Gain Control” is the topic of the latest episode of the “ARRL The Doctor is In” podcast
“Automatic Gain Control” is the topic of the latest (February 1) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! More than a... Read more
![Using RF Gain Control On HF-Less Ear Fatigue [ Ham Radio Basics ]](https://qrznow.com/wp-content/uploads/2017/01/iaPwF-265x168.jpg)
![Yaesu FTM-400DR [ Review ]](https://qrznow.com/wp-content/uploads/2019/05/FTM-400DR-high-power-digital-simulation-of-vehicular-intercom-double-display-dual-standby-FTM400DR-265x168.jpg)
Yaesu FTM-400DR [ Review ]
FTM-400XDR C4FM FDMA / FM 144/430 MHz DUAL BAND TRANSCEIVER The new FTM-400XDR includes an improved GPS receiver that employs the latest in GPS techno... Read more
Noise Blankers and Noise Reduction -ARRL The Doctor is In
Different tools for different applications. The Doctor explains the differences. Read more
News
Vibroplex Purchases Bencher Amateur Radio Product Line
Bencher Inc has announced the sale of its Amateur Radio product line to Vibroplex LLC of Knoxville, Tennessee, owned by Scott Robbins, W4PA. “T... Read more
New D-Star ONE Nanosatellites Launched; Es’hail Testing Under Way
A December 27 Soyuz launch deployed the two German Orbital Systems D-Star ONE satellites D-Star ONE – Sparrow and D-Star ONE – iSat. Beacons have been... Read more
Space Station Digital Amateur Radio TV System Transmitter Determined to be Defective
The Amateur Radio on the International Space Station (ARISS) “Ham Video” digital Amateur Radio TV (DATV) transmitter on the International Space Statio... Read more
US Ham-Astronaut, Russian Cosmonaut Safe in Wake of Soyuz Launch Failure
Soyuz Launch Failure A Russian Soyuz spacecraft crew launch to the International Space Station (ISS) suffered an emergency booster failure shortly aft... Read more
WB Govt to use ham radio to issue warnings to fishermen
WB Govt to use ham radio to issue warnings to fishermen by Kolkata | Read Full Article: Read more
ARRL Suggests FCC May Need to Intervene to Ensure Effective Antenna Rights
Commenting in response to an FCC Public Notice (DA 17-1180) released last month, ARRL addressed the extent of Amateur Radio’s response to recent hurri... Read more
NASA releases video of Sun in 4K
NASA published yesterday on Youtube a video of 30 minutes of the Sun at 4K resolution – 4 times the FullHD. AS images were captured from the Sol... Read more
Ned Stearns, AA7A, Now Maintaining World Above 50 MHz Standings
Ned Stearns, AA7A, now is maintaining The World Above 50 MHz Standings on the ARRL website. Stearns has chased DX on all bands, operated as part of DX... Read more
California declares Ham Radio no longer a benefit, severs ties across the state.
The California state government through an unelected official has severed ties to ham radio repeater owners throughout the state. putting countless li... Read more
AB0VI Wins June QST Cover Plaque Award
The winning article for the June 2016 QST Cover Plaque award is “Build This Counterpoise Tuner” by Bert Kolts, AB0VI. The QST Cover Plaque Award... Read more
