Dangerous experiments with microwaves
Turn a microwave oven into an microwave gun
These guys from Luhansk or Lugansk, formerly known as Voroshilovgrad, is a city in eastern Ukraine, like to live dangerously!
New YouTube channel dedicated to low power ham radio
The G-QRP club have launched a YouTube channel for those interested in low power amateur radio operation
China turns Ladakh battleground with India into a ‘microwave oven’
India dismisses claim that China used microwave weapons on its troops in Himalayan border battle as 'fake news' and says 'our soldiers are still there'
QO-100 Wiki available
A so-called Wiki Lexicon is now available in the AMSAT-DL forum. Those who are undecided, or are still thinking about joining QO-100, can visit the wiki
Geomagnetic Storm Watches Are in Effect through December 11
NOAA’s Space Weather Prediction Center (SWPC) reports that geomagnetic storm watches are in effect through December 11, due to the effects of a direct coronal mass ejection (CME) collision with the Earth’s magnetosphere from December 9 until December 11. The CME eruption was associated with a C7 solar flare erupting from Sunspot Region 2790 on December 7. Arrival of a shock wave associated with...
Lee Finkel, KY7M, Announced as New Editor of National Contest Journal
Lee Finkel, KY7M, of Phoenix, Arizona, will begin his tenure as Editor of National Contest Journal (NCJ) with the magazine’s January/February issue. Now an ARRL publication, NCJ is in its 48th year. Finkel, the 17th Editor, takes over the reins from Scott Wright, KØMD, a noted and regular amateur radio contester, who has helmed NCJ since January 2017. “My hope is that I will be able to build on ...
Nathan Simington Confirmed as Newest FCC Member
First Solar Image from Hawaii Observatory Shows Close-Up of a Sunspot
The world’s largest solar observatory, National Science Foundation (NSF) Daniel K. Inouye Solar Telescope in Hawaii, has released its first image of a sunspot, capturing the phenomenon in striking detail. The image, taken last January, is among the first solar images of the new Solar Cycle 25. The telescope’s 4-meter primary mirror will give the best views of the sun from Earth throughout the n...
Australian Radio Amateurs Denied Access to 60 Meters
Low-Noise H-Mode Receiver Mixer Developer Colin Horrabin, G3SBI, SK
Prominent British radio amateur Colin Horrabin, G3SBI, died over the last weekend in November, a month after a cancer diagnosis. Horrabin invented a type of low-noise receive mixer called the H-Mode mixer, which has been incorporated into many modern radios and was featured in The ARRL Handbook for a number of years. “It is some very significant work with regard to mixer design,” said former ARR...
Transatlantic Tests Mark 99th Anniversary
On December 11, 1921, radio history was made when the signal from amateur station 1BCG in Greenwich, Connecticut, was heard in Ardrossan, Scotland, marking the first successful transatlantic radio transmission using shortwave frequencies. Between 1921 and 1924, radio amateurs experimented with transmitting across the Atlantic. Sponsored by ARRL, these Transatlantic Tests aimed to prove that sho...
Ham radio 40-meter dipole: your first antenna
Antennas/40M/40 meter Dipole Antennas
How to home made a custom home made dipole antenna for the 40 meters band, just 66 feet long. Enjoy the band openings during the evening and play morse code or digital modes on this magic band.
Top Amateur Radio Websites - Issue 2031
Z-Match 100 and mini Z-Match , PAC-12 Antenna modification, Aircraft Scatter Operations, PI-RX, Mircules DX Cluster LITE for Android, AirScout
Implementing changes to licence exemption regulations for short range devices
Ofcom has proposed to make new licence-exemption regulations to implement policy decisions regarding the use of short range devices (SRDs)
Desert expedition radio contest
Braving wickedly hot weather in California's Mojave desert in early October 2020 we participated Expedition style with two independent COVID compliant stations the California QSO Party (CQP) as a special event station W6E
Iceland: Authorization for 70 MHz allocation renewed
celand's IRA received a positive response from the Post and Telecom Administration (PTA), December 7, to their request for renewal of the authorization for the use of the 70.000-70.250 MHz frequency band
Solar update
Tad Cook, K7RA, Seattle reports that Sunspot Cycle 25 is one year old and increasing solar activity continues to surprise and amaze
Iceland: 1850 kHz authorization renewed
Iceland's IRA received a positive response from the Post and Telecom Administration (PTA), December 4, to their request to renewal the authorization to use 1850-1900 kHz in international contests in 2021
PA5MW Ham Radio Blog
Ham radio Blog, focusing on homebrewing and testing antennas, rig mods and contesting.
K0JDs Ham Homebrew Pages
K0JD's home construction projects, featuring the R2/T2 modules by KK7B
F4FJP Eric , site radioamateur Francais
Presentation station,contest,portable,techniques,bidouilles,balises,relais,radioamateurs,swl,technique,infos,reglementation
IC-705 completely cordless digital ham radio
Radio Equipment/HF Transceivers/Icom IC-705
The IC-705 has a built-in server to to send and receive audio and radio control via WLAN. This allows the IC-705 to be connected directly to the user’s computer without the need for an additional server computer. Perfect to run e.g. digital operation modes completely cordless.
Radio Caroline North December
Tune in for more nostalgia courtesy of another Radio Caroline North broadcast this weekend 12th-13th December – our last 'North' of the year!
Havanna Syndrome could be directed microwave energy
NBC News reports: The mysterious neurological symptoms experienced by American diplomats in China and Cuba are consistent with the effects of directed microwave energy
Monthly performance of 8J17CALL for October-November, 2020
Please be advised that monthly performance of 8J17CALL, 7-CALL 30th Anniversary Special station for October-November, 2020 (23rd October to 22nd November, 2020) are as follows
AMSAT Ireland EI2SAT
The Radio Amateur Satellite Corporation (as AMSAT is officially known) was first formed in the District of Columbia in 1969. Its goal was to foster Amateur Radio’s participation in space research and communication
Jersey-based GB7JI joins the D-STAR repeater network
The Jersey Amateur Radio Repeater Group has recently set up a new D-STAR repeater based in Jersey, just north of St Helier
New Antenna Physics Book from ARRL!
Written to bridge the gap between basic theory and graduate-level engineering texts, the second edition of Antenna Physics: An Introduction includes new material to help you better understand the complexities of antenna theory.
World-recognized antenna technology authority Robert J. Zavrel, Jr., W7SX, is your guide to grasping a deeper understanding of how antenna systems function. In this book,...
QSY Society Amateur Radio Club
The club is promoting awareness of Henry Hudson's 400th anniversary voyage of discovery, as well as encouraging others to try amateur radio and foster goodwill.
How I Installed a Ham Radio Antenna on my Truck
Operating Modes/Mobile
I wanted to mount an amateur radio antenna on my truck that was more permanent than the magnetic mount on I already had, but I had a few specific design requirements for the project.
2020, the best year ever for EURAO. Thanks everybody!
One month before the end of the year, EURAO's annual financial results promise to be the best to date: income item beats previous records and expenses are half of last period
ICQPodcast - Tiny Spectrum Analyser - Any Good?
In this episode, Martin M1MRB is joined by Leslie Butterfield G0CIB, Dan Romanchik KB6NU and Edmund Spicer M0MNG to discuss the latest Amateur / Ham Radio news. Colin M6BOY rounds up the news in brief and this episode’s features is TinySA is it any good?
Transatlantic tests - 99th anniversary
http://www.southgatearc.org/news/2020/december/transatlantic-tests-99th-anniversary.htm
Ofcom consultation on managing RF spectrum
The UK communications regulator Ofcom is holding a public consultation on their spectrum management strategy for the 2020s
New Zealand publishes new ham radio band plans
New Zealand's amateur radio band plans were updated in November, interestingly there is still an amateur allocation at 26.950 - 27.300 MHz
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