IRROTA - Iowa Railroads on the Air
The Freeman Journal reports on the radio amateurs taking part in Iowa Railroads on the Air special event
Short Antenna for 40-30-20 Meters Band
Antennas/Multiband
This page describes an entirely simple, One-Knob matchbox that will match this antenna efficiently on 40, 30 and 20m, using a simple circuit that can be switched between series-resonant and parallel-resonant with just one banana jumper
Lighthouse Activities
The 25th International Lighthouse Lightship Weekend (ILLW) event will take place throughout the upcoming weekend
New: SolderSmoke YouTube Playlists
In an effort to make the SolderSmoke YouTube channel more useful, and to help me reach the goal of 4,000 viewing hours (which I need in order to get YouTube to pay me!) I recently put PlayLists on my YouTube channel
Geomagnetic Storm Watch (G3)
NOAA forecasters have issued a geomagnetic storm watch for Aug. 18th and 19th when a series of CMEs is expected to graze Earth's magnetic field
EME conference proceedings made available
The UK Microwave Group (UKuG) has made available on their site the proceedings from the Cambridge Moonbounce (EME) conference
Bicycle Mobile competition at ham radio event
VERON report a 144 MHz bicycle mobile competition will take place during this year's DNAT amateur radio event
Algerian broadcaster causing interference to radio amateurs
DARC report the broadcast station Télédiffusion d'Algerie has been causing interference to the 21 MHz primary amateur radio band
Volunteer Monitor Program Report for July 2022
The Volunteer Monitor (VM) Program is a joint initiative between ARRL and the FCC to enhance compliance in the Amateur Radio Service. This is the July 2022 activity report of the VM Program. Notices for unlicensed operation on 2-meter amateur frequencies were sent to two logging companies in Kettle Falls, Washington. Commendations were issued to amateurs in Poughkeepsie, New York, for work in con...
Williamson Co - Amateur Radio Emergency Service
Williamson Co. Amateur Radio Emergency Radio Service
VHF APRS Propagation Map
Operating Modes/APRS
VHF – Based on realtime APRS reports. This map shows real-time radio propagation from stations operated near 144 MHz. It uses data gathered by Automatic Packet Reporting System-Internet Service (APRS-IS) from packet stations in the amateur radio service.
The map shows activity from the past hour. Paths are smoothed to create a color-coded footprint indicating the distance VHF signals are likely to be traveling.
Zeppelin aerials
Antennas/Theory
Zeppelin Antenna notes, historical references and a description of the classic Zeppelin antenna, how current is distributed on antenna and principle of it multiband usage. Article in Czeck can be translated in english.
Israel Amateur Radio Club to activate 5 lighthouses
Members of the Israel Amateur Radio Club will activate 5 lighthouses and participate in the upcoming International Lighthouse/Lightship Weekend (ILLW), August 20-21st
Special Event Stations - 75 Years of Indian Independence
AT75RADIO and AT75CW - Special Event Call Sign commemorating 75 years of Indian Independence. Operator is VU2CW, Handle is Rajesh. QTH is Gurgaon in North India
BBC TV feature 8-year-old's ISS amateur radio contact
On Tuesday, August 16, BBC TV's Josie Hannett interviewed 8-year-old Isabella Payne about her amateur radio contact with NASA astronaut Kjell Lindgren KO5MOS on the International Space Station
Simultaneous APRS and Voice Repeater on the International Space Station
ARISS, Amateur Radio on the International Space Station, announced that simultaneous operations of the ARISS Voice Repeater and digital APRS communications on the Space Station is now a reality. Current ARISS operations include voice repeater transmissions with the JVC Kenwood D710GA in the Columbus module and APRS packet operation from an identical radio in the Service Module (Zvezda). Packe...
IC706 MKIIg Cooling Fans Mod
Radio Equipment/HF Transceivers/Icom IC-706
With this simple modification,it will be possible to keep the internal cooling fan on,running at reduced speed,when in receive mode.
Young Amateurs Radio Club to host inaugural special event
The Young Amateurs Radio Club (YARC) will host their first annual youth-organized special event from September 1 - 15. Using their call sign, WY 4 RC, the event is known as 'Worked All YARC Zones (WAYZ).'
Wireless microphone marketer faces hefty fine
A Brooklyn, New York marketer of wireless microphones has been fined nearly $700,000 US by the US Federal Communications Commission for what the agency said is a decade-long practice of selling these devices, which are not RF-compliant
Redcliffe and Districts Amateur Radio Club seeks new members
Zoom and Facebook may be all the rage these days, but this group is making waves with a much more traditional mode of communication
ARISS contact with students at Cambridge Public Library and Idea Exchange, Cambridge, Ontario, Canada
The amateur radio ground station for this contact is in Cambridge, ON, Canada. Amateur radio operators using call sign VE3SWA, will operate the ground station to establish and maintain the ISS connection
Wanted enthusistic amateurs for Full UK distance learning course
The Strangford High Frequency Enthusiasts Group are hosting a new Full UK Licence distance learning program starting September 12th via Google Meet
ICQPodcast - International Lighthouse and Lightship Weekend 2022
In this episode, Martin Butler (M1MRB) is joined by Caryn Eve Murray KD2GUT, Edmund Spicer M0MNG, Ed Durrant DD5LP and Chris Howard M0TCH to discuss the latest Amateur / Ham Radio news. Colin (M6BOY) rounds up the news in brief and in the episode's feature Edmund Spicer M0MNG previews International Lighthouse and Lightships Weekend 2022
IARUMS newsletter - Over The Horizon Radars
IARU Monitoring System (IARUMS) Region 1 newsletter says in July, like every month for many years, Over The Horizon Radars were the most numerous transmissions causing interference to our HF amateur radio bands
Press story on radio ham's prostate cancer awareness campaign
Essex press report Andrew Brown M0ONH has been using a special amateur radio callsign GB8PCA to raise awareness for prostate cancer - after he was diagnosed with the disease himself
Lighthouse weekend imminent
This coming weekend, 20-21 August, is a great opportunity to chat to a lighthouse and work some rare DX
How RTL-SDR dongles work
Technical Reference/Software Defined Radio/RTLSDR
Since 2012, the RTL-SDR is the simple and cheap way to give Software-Defined Radio a try. For about 25 euro you get a receiver covering much of the VHF and UHF range, and by either adding an upconverter, or using the direct sampling option, also the HF bands. They are so cheap because they are mass-produced as DVB-T receivers.
HAREC exams
The IRTS Examination Board are pleased to announce that the next HAREC examination will be held on Saturday, the 15th of October 2022 at 11:30, at both the Maldron Hotel, Tallaght, Dublin and the Clayton Silversprings Hotel, CorK
Dark plasma explosion on the sun
Earlier today, the sun hurled a plume of relatively cool, dark plasma into space
Just how good is a tape measure antenna ?
Dan Maloney KC1DJT writes on Hackaday about a drawback of tape measure antennas
25th anniversary of International Lighthouse On The Air
Humber Fortress Amateur Radio Club (HFDXARC) are proud to have been invited back to Spurn Point Lighthouse by the Yorkshire Wildlife Trust for the 25th International Lighthouse On The Air event on Sat 20th August and Sunday 21st August 2022
Radio ham who kickstarted the counterculture movement
The UK's Far Out Magazine has published an article about the radio amateur who played a pivotal role in the 1960's counterculture movement - Augustus Owsley Stanley III K6HEN
Ham Radio for Papua New Guinea
On the GoGetFunding site Roly ZL1BQD describes his aim of getting new people licensed as amateur radio operators in the many nations in the Pacific region that have few or no radio amateurs
Cambridge students to contact ISS astronaut
Ontario's Cambridge Today interviews Scott Mitchell VA3GGT about the planned amateur radio contact between students and astronaut Kjell Lindgren KO5MOS on the International Space Station
Demonstrating AM sidebands
Technical Reference/RF Design
Amateur radio courses teach that in amplitude modulation, sidebands arise. This can be proven mathematically, and nowadays with an SDR one can easily see them.
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