Monster Region Returns & Alien Aurora 04.10.2019

“This week old region region 2736 (renumbered 2738) returns to Earth view, giving the solar flux a much needed boost. This means radio propagation returns to the high side of marginal for amateur, shortwave radio & emergency operators on Earth’s dayside. Luckily, this monster region is not a threat for big flares or radio blackouts so GPS users should continue to enjoy decent reception, especially on Earth’s dayside.

Aurora photographers at high latitudes also get another brief chance for aurora views this week due to another small pocket of fast solar wind expected around April 12-13. On top of that, we have had some very strange lights in the sky recently due to a NASA rocket mission to study aurora (called AZURE). Learn the details of these stories, what conditions to expect and what else our Sun has in store this week.”

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Small loops, growing popularity
ALT

August 05, 2015 No comments

by John Huggins “Small Loop HF antennas, often called magnetic antennas, seem to be all the rage these days. I suppose this old concept offers h... Read more

Yagi Ultrabeam  6-10-12-15-17-20-30 and 40M UB640 – VL1-3
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September 15, 2015 No comments

UB640 – VL1-3   Frequency range : 7 – 50 Mhz (50 Mhz it requires kit optional) 3 elements yagi : 6-10-12-15-17-20 meters 1 elements dipole... Read more

Comet GP-15 Tri-Band VHF/UHF Base Vertical Antennas GP-15
ALT

January 14, 2015 No comments

Comet GP-15 Tri-Band VHF/UHF Base Vertical Antennas provide good gain figures on the 6-meter, 2-meter, and 70-centimeter bands in a compact 7.9 foot p... Read more

2/2 (4) element 18/24MHz Yagi (1.5m) Force12
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December 28, 2014 No comments

The 4-LFAR-17/12, an Excellent super-compact Dual band LFA-R Yagi for the 17m & 12mbands The LFA-R is one of the latest designs from the desk of G... Read more

COAXIAL DYNAMICS 83060 DIRECTIONAL WATTMETER
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January 02, 2015 No comments

  Description Similar in appearance and operation to our standard Model 81060 Wattmeter, the Model 83060 converts from Average Reading to Peak or... Read more

Solid State General Communication Power Amplifier-  GCS1D2GYV
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September 24, 2015 No comments

1.5 – 31.5 MHz / 2500 Watts The GCS1D2GYV (SKU 4054) is suitable for HF broadband or band specific high power, CW and pulse Jamming applications... Read more

How To Build A QRP Dummy Load by K7AGE
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April 06, 2017 No comments

“In this video, I build a simple QRP Dummy Load that is good for up to 20 watts. It even has test point that you can use a meter to measure the... Read more

ITALAB HERON 1000 – Solid State Amplifier – 1KW
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July 19, 2017 No comments

The HERON 1000 is a solid state amplifier for use in 1.8 MHz to 50 MHz bands. The RF section is Consisting of an amplification unit (HF 1000 P) capabl... Read more

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Introduction to the SOTABeams Wolfwave
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April 09, 2019 No comments

SOTABeams Features Fully adjustable audio band-pass filtering instantly adjustable for voice, data and CW (b/w 50 Hz to 5 kHz) VIDEO State-of-the-art... Read more

Covering the Rules on Calling CQ  [ ARRL PODCAST ]
ALT

April 04, 2019 No comments

FAA-450 Antenna Analyzer Quick Review
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April 04, 2019 No comments

The FAA-450 Antenna Analyzer is an open source project built from STM32-F7 Discovery board. This project originated from “EU1KY Antenna Analyzer V3”,... Read more

Jim W6LG Talks About Grounding, Bonding, Earthing, Shielding and Protecting
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April 02, 2019 No comments

Frequency Measuring Test Success Does Not Require Sophisticated Equipment
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April 10, 2019 No comments

In April 12, ARRL will conduct the Frequency Measuring Test (FMT), a tradition that dates back to 1931. In that era, prospective participants were pro... Read more

Bidding Under Way for the “Out of This World” ARISS Auction
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April 09, 2019 No comments

The bidding has begun in the Out of This World ARISS Auction, which wraps up on April 14 at 2200 UTC. A new JVC Kenwood TS-890S is attracting many bid... Read more

The May Edition of Digital QST is Now Available!
ALT

April 09, 2019 No comments

The May issue of Digital QST is now available for viewing on your desktop or laptop. Click here to view the issue. It is also available for reading on... Read more

IARU-R1 Monitoring System newsletter available
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April 09, 2019 No comments

Yet again the monthly IARU-R1 Monitoring System newsletter reports on the severe problems being caused by the Russian OTH radar “Contayner” on 14 MHz... Read more

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