“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
Yaesu FT-3DR C4FM/FM Dual Band Transceiver
Yaesu FT-3DR Yaesu FT-3DR 5W C4FM/FM 144/430MHz Dual Band Digital Transceiver Reservation The new FT3DR provides reliable 5W RF power output in compac... Read more
Alinco has just announced a New 144/440MHz Mobile
Alinco DR-735T Dual-Band 2M/440 Mobile Transceiver TX: 144-147.995 and 430-449.995 MHz RX: 108-173.995 and 400-479.995MHz + Air 1000 memories. Output:... Read more
How to work amateur radio satellites with your handheld (HT) radio
How to work amateur radio satellites with your handheld (HT) radio Visit the Worldwide Radio Forum at worldwidedx.com Read more
Icom’s RMS-Net Radio Management System Explained
Icom UK are pleased to provide this introduction to its RMS-Net Radio Management System which integrates desktop PCs, Icom hand portables, base statio... Read more
Low cost 10Ghz EME Rx System
1 – Low cost 10Ghz EME Rx – The LNBF 2 – Modifying the LNBF 3 – Tuning the LNBF 4 – Pictures and PlotsNOTE: This... Read more
Successful VHF QSO between ZS3 and ZD7
Kobus van der Merwe, ZS3JPY reports that between 19:45 and 21:45 UTC on Wednesday 7 November 2018, a QSO took place on 2 metres between St Helena Isla... Read more
Mirage Amplifier B-320-G VHF, HT/MOBLE AMP, 200W OUT, 144-148 MHZ
Amplifier, HT, VHF, Solid State, 144-148 MHz, 3/50 W In, 200/200 W Out, UHF Fem, SO-239, 13.8 Vdc, 25 A, Each Add this amp to your 2 Meter HTor mobile... Read more
Review
Australian Regulator Reinstates US Amateur Radio License Reciprocity
The Wireless Institute of Australia (WIA) reports Australia’s communications regulator ACMA is reinstating the reciprocal arrangement for US Amateur R... Read more
Geochron Digital 4k UHD Review
“This is the ultimate jewelry for your dream ham shack! The Geochron Digital 4k UHD gives viewers beautiful displays of the Earth with the sunri... Read more
Review of QRP Labs QCX QRP Radio
“Unboxing, building and using the QRP Labs QCX single-band, 5-watt QRP radio. This advanced technology radio borrows ideas from software-defined... Read more
Eric from Universal Radio discusses the Icom IC-R8600 Receiver
Eric, KC8XJ of Universal Radio discusses some fine points of the Icom IC-R8600 receiver. The IC-R8600 is a very wide band feature packed self containe... Read more
IS MY YAESU VX-6 ACTUALLY WATERPROOF!?
https://www.youtube.com/watch?v=moyvwawRDzw&feature=emb_title Read more
KB8O Demonstrates Receive 4-Square on 160m
Jay Pecora, KB8O from Elyria, OH demonstrates his DX Engineering Receive Four-Square system on 160 meters. Read more
News
HAARP Gearing Up for its Spring Research Campaign
Alaska’s High-Frequency Active Auroral Research Program (HAARP) is prepping for its spring research program. The activity will run March 25 – 29. The... Read more
Motorola Solutions Expands Patent Infringement Complaints against Hytera
Motorola Solutions on March 29 announced that it had filed patent infringement complaints with the Regional Court of Düsseldorf, Germany, against Hyte... Read more
Ham HF Bands: Introduction AD#29
Ask Dave Episode 29 looks at the amateur radio high frequency (HF) bands and describes each. This helps hams new to HF to understand what bands will w... Read more
Oscar News – Your input will be very welcome
The editors of the quarterly OSCAR NEWS magazine are now starting their hard work to put together the next edition. This will be published around the... Read more
New system watches ionospheric weather conditions over the US southwest
New system watches ionospheric weather conditions over the US southwest Imagine taking the world’s most powerful radio telescope, used by... Read more
D2T-M – 1.5 — 200 MHz 1 KW PeP CONTINUOUS COVERAGE ANTENNA
The D2T is a non-resonant high-impedence antenna, composed of two folded dipoles dephased by 180°. It has a non-inductive terminating resistor and bro... Read more
Ham College Episode 5
Ham College Episode 5 Read more
The Telegraph – 11 Innovations That Changed History
11 Innovations That Changed History – The Telegraph – Read Full Article: Read more
Nepal Radio Amateur Describes Earthquake Response Effort at West Coast Gathering
Amateur Radio’s “vital role” in the 2015 Nepal earthquake response was the topic on June 2 as the City of Santa Clara, California, hosted Sanjeeb Pand... Read more
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