K5PLD Pearland Amateur Radio Club
Signal to Noise Ratio SNR
Technical Reference/RF Design
Signal to Noise Ratio, definition and application to Radio Communications. Signal to Noise Ratio (SNR) is a figure of merit that compares the level of a desired signal to the level of background noise.
Tuesday's edition of Southgate Vibes amateur radio podcast has just been released!
Southgate Vibes is our twice-weekly amateur radio podcast
Montserrat operation
Thaire, W2APF, will be active as VP2MDX from Montserrat Island (NA-103) between January 9th and February 18th, 2022
Ofcom asked if they'd taken any action against repeater abuse
In a Freedom of Information request Ofcom if they'd issued any warnings to people abusing repeaters
Starlink satellite’s near-collision with Chinese station puts focus on space jam
First reported by The Guardian, which cited experts as saying the Chinese action was unusual, the incident spotlights the growing risk in space, where orbital room is being crowded out by an astronomical race in which nation-states as well as private companies are increasingly active
Ofcom FoI: Have any radio amateurs using hotspots breached regulations
In a Freedom of Information request Ofcom were asked how many radio amateurs operating hotspots had breached regulations
Sweden imposes higher levy on electricity bills for EMC
Sweden's government is increasing the levy charged on household electricity bills to enable the Swedish Electrical Safety Agency to improve EMC compliance and reduce RF pollution from electronic devices
Scatterpoint Microwave Newsletters
The UK Microwave Group (UKuG) has released its 2020 Scatterpoint newsletters as free downloads at www.scatterpoint.org
HamSCI Invites Abstracts for its 2022 Workshop
Commemorative December 1915 QST download
We apologize for the delivery issue of The 1915 Commemorative QST download offer on Christmas Day.
The link below will provide ARRL Members with access to the document. http://www.arrl.org/qst-reissue
If you have any further issues or comments, please email members@arrl.org.
Radio Operators Association of Dallas
The Radio Operators Association of Dallas (ROADS) Club exist to promote interest in amateur radio communication and experimentation, fostering of education in electronic communications as it applies to amateur radio, development of individual efficiency, cooperation among members. and furtherance of the public welfare.
Bavarian Packet Radio Group
This site provides information about the BayCom packet radio hard- and software for radio amateurs. It also contains general information on the German packet radio network.
TARA
Tahoe Amateur Radio Association, Lake Tahoe, California
Dual Band Quarter Wave Droopy Antenna
Antennas/VHF UHF
Adapted from a similar project by NA4IT. Made with one quarter wave 2 meter radiating element
pointing upward and it is surrounded by four 70
cm elements.
The Best Amateur Radio Links of 2021
A list of best new amateur radio links we reviewed in 2021
Straight Key Night is January 1, 2022 (UTC)
Halifax Amateur Radio Club
VE1FQ, has a long history dating back to 1932 and may be the oldest Amateur Radio club in Canada.
Mombarone HamFest
Italian Hamfest from ASTI provice, in cooperation with Florence HamFest.
13cm Bi-Quad Antenna
Antennas/Microwave
A homebrew 2.4 GHz bi-quad antenna for SOTA. Includes several pictures about assembling parts, a list of material and dimensions.
Farewell to 2021
Members of the Welland Valley Amateur Radio Society are using the following special callsigns from Market Harborough to say farewell to 2021 until December 31st
French Space Agency special event
The following special event stations should be active until January 2nd to celebate the 60th anniversary of the 'Centre National d'Etudes Spatiales French Space Agency'
Belize operation
Several amateur radio operators will be active from San Ignacio (EK57), Belize, during the ARRL International DX CW Contest (February 19-20th) as a Multi-Single/Low-Power entry
Solar wind broke Comet Leonard's tail
Comet Leonard (C/2021 A1) is less than a week away from its closest approach to the sun--and it's feeling the heat
Straight Key Night is January 1, 2022
The annual ARRL Straight Key Night (SKN) returns on New Year’s Eve and New Year’s Day, January 1, 0000 – 2359 UTC
Radio ham Randy Greeley SK
The Daily News reports anyone’s list of everything Randy Greeley NU7D did for Cowlitz County is long — and likely incomplete
VicJam
The Scout Radio and Electronics Service Unit of Victoria has been busy setting up their amateur station at VicJam
Amateur Radio, Scanner & Linux blog
My place in cyberspace for thinking out loud about the Three Rivers Area Montioring Association and its Sunday evening Pittsburgh Area Scanner Net as well as ham radio and the Linux operating system
Tulip SDR
Technical Reference/Software Defined Radio
SDR Project for a compact amateur radio software defined radio trasceiver covering HF bands all mode. Website includes schematics, element PCB, pictures, movies, firmware and elements bom.
Top Amateur Radio Websites - Issue 2150
Transmitting Ferrite Loop for 80-160, Reversible RG6 Beverage Antenna , 160m Short Vertical Loft Antenna , Aircraft Scatter on 6 Meter FT8, APRS and Packet Radio made easy, Weather data visualization with the Raspberry PI, Two on 10,
Townsville Amateur Radio Club does Defence Welcome and Information Expo
theTARCinc will be involved with the 2022 Defence Welcome and Information Expo run by the Townsville office of Defence Community Organisation North Queensland Saturday 12th February at Murray Stadium from 10am
Austral Islands
Jacek, SP5EAQ, will be active as FO/SP5EAQ from Rimatara Island (OC-050, WW Loc. BG37oi) between March 2-30th, 2022 (if the pandemic permits)
Twenty years from now we might get a call from an alien
In 2017, a powerful radio transmission was aimed at exoplanet GJ 273b, thought to be able to support life. Its message, sent by the alien-hunting group Messaging Extra-terrestrial Intelligence International, contained instructions on how to understand Earthling math, music and time. If it lands on intelligent alien ears once it arrives in about a decade, E.T. now has our number
A message from the Sandton Club
The Sandton Amateur Radio Club would like to congratulate the West Rand Amateur Radio Club for winning the SARL 40m Grid Square Club sprint, the SARL Wednesday 80m Club Sprint, and the SARL National Field Day in Class A during 2021
The SAMOC Straight Key Night
The Straight Key Night runs from 00:00 to 23:59 UTC on Saturday 1 January 2022 and this 24-hour event is not a contest – rather it is a day dedicated to celebrating our CW heritage
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