An 8x2 Element Array Antenna For 144 MHz
Antennas/Array
This stacking offers a well known simple phasing technique. All elements can be fed in parallel by open wires provided that they are fed in phase. This can be achieved by twisting the open wire phasing-lines at 180 degrees.
South Cook Islands
Bruce, ZL1AAO, is once again heading back to the South Cook Islands. He is planning to activate Atiu Islad (OC-083) between August 6-9th and Rarotonga Island (OC-013) between August 9-19th signing as E51AAO
The Perseid meteor shower has begun
Earth is entering a stream of debris from giant comet 109P/Swift-Tuttle, source of the annual Perseid meteor shower
Island hopper
Taking island hopping a step further, here is the itinery of Yann, FO/F1SMB visiting seven French Polynesia islands until the 23rd of August
Peabody Historical Society scores a ham run
The Daily Item reports on a collect of QSL cards going back to the late 1950's that was donated to the Peabody Historical Society in Massachusetts
We’ve made it easy to organize your time at the QSO Today Virtual Ham Expo
We have scheduled 93 world-class presentations at the QSO Today Virtual Ham Expo coming August 14-15, 2021
Dream hot air balloon trip for war veteran Ron Shelley G3NZY
The Darlington and Stockton Times reports 98-year-old radio amateur and WW2 veteran Ron Shelley G3NZY had a trip in a hot air balloon
EMF: ARRL make online RF exposure calculator available
The ARRL have made an online RF exposure (EMF) calculator available for all amateurs to use
Faith Hannah Lea, KD3Z, is Amateur Radio Newsline 2021 Young Ham of the Year
Faith Hannah Lea, KD3Z, of Palm Coast, Florida, has been selected as the 2021 Bill Pasternak WA6ITF Memorial Amateur Radio Newsline Young Ham of the Year. Faith Hannah comes from an all-ham family. She is the daughter of James Lea, WX4TV, and Michelle Lea, N8ZQZ. Her brother and two sisters are also hams. She credited her parents with being the biggest influences in her entry into amateur radio...
Boston Marathon Amateur Radio Volunteer Registration Extended
Amateur radio volunteer registration for the annual Boston Marathon has again been extended until Friday, August 6, at 5 PM EDT. This year will mark the 125th anniversary of the Boston Marathon. The Boston Athletic Association (BAA) Amateur Radio Communications Committee oversees marathon volunteers. New volunteers should visit the Volunteer Registration Page and follow the instructions. Return...
EME user guide by IK1UWL
Operating Modes/EME
A complete guide to start operating EME. In this document, that is the result of several years of experimenting, the author summarize the steps to begin on Earth-Moon-Earth communications
Solar maximum might come early
New sunspot data show that Solar Cycle 25 is heating up faster than expected
Silent Key Memorial Weekend
The Coast Band Digital Group will be holding their 6th annual Silent Key Memorial Weekend 2022/21/1
HF Noise Mitigation
HF Noise Mitigation will be presented by Mike Ritz W7VO at the next QSO Today Virtual Ham Expo coming August 14th and 15th
Radio Caroline gets power increase
A power increase has been agreed for Radio Caroline to extend its coverage area from Suffolk and Essex to include Kent and East Sussex
Six Winning Ways to Get Contacts on HF
Six Winning Ways to Get Contacts on HF will be presented by Peter Parker AK3YE at the next QSO Today Virtual Ham Expo coming August 14th and 15th
ACMA checks on Solar Inverter suppliers
Solar panel installations can cause considerable RF Pollution but the ACMA reports solar inverter suppliers in Australia are unaware of regulatory requirements
Public consultations on radio equipment
Séamus EI8BP reports on two public consultations taking place now relating to Internet-connected radio equipment and the sustainability and re-use of devices
SSTV transmissions from the International Space Station
Friday and Saturday August 6 - 7, 2021, Russian cosmonauts onboard the International Space Station will transmit slow-scan television (SSTV) images from the station on 145.800 MHz FM. They will use SSTV mode PD-120
Revised prediction for solarcycle 25
A revised prediction from the NASA High Altitude Observatory based at the University Of Colorado. NASA Heliophysicists have released a revised prediction for Solar Cycle 25
Just Released: More Arduino for Ham Radio
The new book More Arduino for Ham Radio by popular author and experimenter Glen Popiel, KW5GP, builds on the success of his two previous titles, Arduino for Ham Radio and More Arduino Projects for Ham Radio.
More Arduino for Ham Radio introduces many of the new Arduino boards and add-on modules, followed by an overview of the software, tools, and techniques needed to bring projects to life. Thes...
Bouvet Island DXpedition Negotiating with New Charter Vessel, Planning Begins Anew
The Intrepid-DX Group’s plans for a 2023 DXpedition to Bouvet Island are back on the front burner. In a brief announcement to the “global DX community,” DXpedition co-leader Paul Ewing, N6PSE, said a new charter vessel contract is in the offing. The 3Y0J DXpedition has refunded all donations to its earlier announced plan, advanced before losing its contract with the charter vessel Braveheart, a...
432 MHz 100W RF Power Amplifier
Technical Reference/Amplifiers/UHF Amplifiers
This article describes the construction of a 100-Watt, 70 cm amateur band linear power amplifier. It is the result of a protracted period of experimentation during which I investigated a number of final amplifier stages from obsolete UHF FM 2-way radios.
Holy Land DX Group in Rwanda
Members of the Holy Land DX Group (HDXG) will operate from Rwanda signing 9X4X between November 24th and December 1st
Defunct Caribbean prefix proposed
Due to an oversight in the new communications legislation recently introduced in the Falkland Islands, the VP8 prefix no longer applies to the former Falkland Islands Dependencies (Antarctic Peninsula, South Shetlands, South Orkneys, South Georgia, South Sandwich Islands)
Indian ILLW operation
Indian radio amateurs will be active as AT8KLH from the Kapu Light House 'Kapu' (ARLHS WLOL IND-091) during the 24th Annual International Lighthouse/Lightship Weekend (ILLW) between August 21-22nd (48 hours)
The History and Current Values of Telegraph Keys
The History and Current Values of Telegraph Keys will be presented by Tom Perera W1TP at the next QSO Today Virtual Ham Expo coming August 14th and 15th
LA2FDA and LB6RI cross the North Sea in a sailing vessel
These two radio amateurs are one of the passengers and one of the crew on the sailing vessel 'Statsraad Lehmkuhl' as it is cruising from Northern Norway to the southern parts
Amateur radio operator bags another award
The Hindu newspaper reports on the achievements of radio amateur M. Sanil Deep VU3SIO
RFI from water
IRTS News report that devices called 'Wassermatrix', sold by a Swiss company by the same name have been identified as the source of interfences around 144.015 MHz across European countries
SSTV Transmissions Scheduled from ISS
Family of Reinaldo Leandro, YV5AM (SK), Receives Michael J. Owen, VK3KI, Memorial Award
Relatives of former IARU Region 2 President Reinaldo Leandro, YV5AM (SK), received the Michael J. Owen, VK3KI, Memorial Award on his behalf on July 17. Making the presentation was current IARU Region 2 president Ramón Santoyo, XE1KK. The award is granted by the IARU Administrative Committee as the highest distinction at the world level to acknowledge decades of service to IARU and to amateur rad...
Woody White, KZ4AK, Wins the July 2021 QST Cover Plaque Award
Magnetic Loop Antenna for 2 meters
Antennas/Magnetic Loop
A small, easy to build, copper tube magnetic loop antenna for the 2 meters band. In Italian
F5SOH Laurent
Packet with Linux, homebrew, Talco mods. in French
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