N2NHU My amateur radio world
Amateur Radio - by N2NHU Jim P. Ames, personal page
Magnetic Loop HF antenna
Antennas/Magnetic Loop
An homebrew HF Magnetic loop made with 2m length of 6mm diameter copper pipe formed into a near circle as the low loss inductor, a short length of coax as a capacitor,a short length of mains cable, again as a fixed tuned capacitor, a tunable 365pF air spaced capacitor, and a small Jackson C804 airspaced variable with a small 3-35pF trimmer in parallel
YOTA Contest 2022 Youth On The Air
We young hams should be aware of a new category introduced this year by CQ magazine in its DX Marathon, which is already under way
Helgoland hop
Over twenty amateur radio operators will activate the German island of Helgoland for two weeks, starting this Friday, the 25th of March
PCGS balloon launch spans globe nine times
The Pella Christian Grade School 8th grade science classes, under the direction of Joanna Settles, launched an amateur radio GPS tracker on a scientific balloon on November 2, 2021 with the Pella Amateur Radio Club
Radio Caroline - 648kHz is on lower power
The Station posted on its website: Our AM 648 transmitter shutdown due to an 'air' fault, which could be due to cooling or a fan fault.
AMSAT booth scheduled for 2022 CubeSat Developers Workshop
The 2022 Cubesat Developers Workshop will be held on April 26-28 at Cal Poly in San Luis Obispo, California. The workshop, themed “Building the Future of Space Together”, recently announced the schedule for the three day event and is available online
SP DX Contest 2022 cancelled
After careful deliberation, the SP DX Contest Committee, together with Polish Amateur Radio Union (PZK) and the SP DX Club, has decided to cancel the 2022 SP DX Contest
New distance records on the 134 GHz and 241 GHz bands
IARU Region 1 reports that on March 1st and 2nd, DB6NT and DK5NJ made a new distance record on the 134 GHz and 241 GHz amateur radio bands
AMSAT Receives a Grant From ARDC
AMSAT has received a generous grant from Amateur Radio Digital Communications (ARDC) for the development of a 3U spaceframe with deployable solar panels. This standardized 3U CubeSat spaceframe will serve as the mechanical platform for AMSAT's Greater Orbit, Larger Footprint (GOLF) series of satellites, as well as for a new generation of low-Earth orbit (LEO) FM satellites.
Central to the develo...
Hamvention 2022 Announces Award Winners
Chairman of the Hamvention Awards Committee Michael Kalter, W8CI, has announced the 2022 Dayton Hamvention® award winners.
Special Achievement Award
Kerry Banke, N6IZW, of La Mesa, California, received the Special Achievement Award. Banke, first licensed in 1961 and now retired, spent most of his career in the research and development of electronics systems as a microwave RF electrical engineer. ...
Friedrichshafen HAM RADIO 2022 Will Welcome Worldwide Visitors
With the recent relaxation of COVID-19 regulations, the Deutscher Amateur Radio Club (DARC) and Messe Friedrichshafen, partners of the HAM RADIO 2022 exhibition in Germany, are optimistically looking forward toward holding the 45th HAM RADIO from June 24 - 26 in Friedrichshafen, subject to the final official approval by the local authorities.
Appropriate hygienic and distancing measures will be ...
Ham Census
Ham Radio/Resources
What do amateur radio operators worldwide, think of their passion?
What do we wish for? What are we frustrated about? How many of us are active, versus those that are taking a break? Do we have favorite radios, antennas, or even favorite cw paddles? Do we prefer one contest over another?
The best way to find out is if we all participate in Ham Census. Join in and let all amateur radio operators know your thoughts "share your views" then you can find out what everyone else is thinking, in real time.
Help shape the future of ham radio by participating in the world's most complete survey of amateur radio.
WebSDR Roma2 Online Radio
Internet and Radio/WebSDR
Online websdr receiver based in Rome Italy provides a nice user web interface and receiver most of the amateur radio HF bands
Guelph Amateur Radio Club
The Guelph Amateur Radio Club is an organization of like-minded men and women, most of whom are licensed amateur radio operators.
Square Halo Antenna for 10 and 20 Meters
Antennas/Halo
How to build a limited space 10 and 20 meter band Square Halo DX antenna. A horizontally polarized antenna for 10 and 20 meter band, which is suitable for a limited space.
Engineers Ireland Presentation
Jeffrey, EI7IRB informs us that the Fire and Safety division of Engineers Ireland is presenting a talk by Engineer Diarmuid Moran, titled 'Radio Frequency Safety including 5G rooftop base stations'
Press coverage of Oregon's OreSat0 satellite
Williamette Week report on the first Oregon satellite OreSat0 built by students at Portland State University. It carries an amateur radio payload on 436.500 MHz
2 new Canadian QSO Parties
Lookout for 2 new Canadian QSO Parties coming our way soon - the CANADIAN PRAIRIES QSO Party and the Québec QSO Party
Ye Olde Hurdy Gurdy Museum of Vintage Radio
Tony, Ei5EM informed the Irish Radio Transmitters Society that, contrary to what was erroneously stated on a recent radio programme, the museum is not closing down and, in fact, will be reopening at weekends starting in April
CAS-10 CubeSat will carry a ham radio transponder
CAMSAT's CAS-10 is an 8U CubeSat that will carry an Amateur Radio VHF to UHF linear transponder for SSB communications
Russia and Belarus suspended from CEPT membership
On March 17 the European Conference of Postal and Telecommunications (CEPT) announced the indefinite suspension of Russia and Belarus following the invasion of Ukraine
Folded Dipoles in Yagi Uda Antennas
Antennas/Theory
A folded dipole is an antenna, with two conductors connected on both sides, and folded to form a cylindrical closed shape, to which feed is given at the center.
Top Amateur Radio Websites - Issue 2208
W3DZZ Multiband Antenna, K6TU Propagation as a Service, UR5VIB Online SDR, Raspberry WSPR receiver, K0UO Rhombix Antenna Farm The Ground, Introduction to HFTA HF Terrain Assessment, Tropospheric Ducting Forecast Europe,
AMSAT at Dayton Hamvention - call for volunteers
Phil Smith, W1EME, AMSAT Hamvention Team Leader, reports, In 2019, we had about 40 people assist with the AMSAT booth at the Hamvention
Finding that Fox
South African's are invited to help Find the Fox on Saturday 26 March starting at 10:00 CAT
Keynote speaker for SARL Technical Symposium announced
Dominic White, of Orange Cyberdefense, will deliver the keynote address at the SARL Taking Amateur Radio into the Digital Age symposium. The keynote is entitled 'Why Radio Amateurs should avoid encryption.'
The Irish Radio Transmitters Society 2022 Annual General Meeting
The Irish Radio Transmitters Society's 2022 Annual General Meeting will take place at 2:00 p.m. on Sunday, the 10th of April 2022 in the Morrison Suite at the Woodford Dolmen Hotel
Shortwave radio making a comeback
The New York Times carries an interesting article about shortwave radio which reads: As Russia is trying to cut off the flow of information in Ukraine by attacking its communications infrastructure British news outlet BBC is revisiting a broadcasting tactic popularized during World War II
OreSat0 launched into low Earth orbit
Oregon’s first satellite, also known as OreSat0, was launched into low Earth orbit on March 15 aboard Astra's 'LV0009' rocket from Kodiak, Alaska
Register now for the fourth series of CW classes
Mike, ZS6MSW reports that he has established the new dates for the next Morse Code classes for 2022
QSO Today - Dave Bottom, WI6R
Dave Bottom, WI6R, a second generation amateur radio operator, credits this early exposure to radio and spending his teenage years in Palo Alto, to a stint in the famous Hewlett Packard labs and a lifetime electronics career
Russians board International Space Station in Ukrainian colours
BBC News reports that Russian cosmonauts have arrived at the International Space Station wearing Ukrainian colours, in what may be a statement opposing the invasion
ARRL Audio News - March 18, 2022
Ham Radio and Solar Power Systems
Technical Reference/Radio Frequency Interference
Can Home Solar Power and Ham Radio Coexist? It is possible, with minimal interference from the
solar power system, provided you make some modifications.
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