Antenna Switch
Technical Reference/Antenna Switch
An home made antenna switch with a Dummy Load selector.
If you forget the radio is connected to the open or grounded side of the switch and you try to transmit, it is very easy to damage the finals of your transceiver.
Trinidad and Tobago special event
Members of the Amateur Radio Society (TTARS) will be active with the special callsign 9Y59IND from Port of Spain, Trinidad Island (SA-011), between now and September 12th
Vanderbilt’s silent CubeSat awakens 6 months after launch
Radio Amateur Satellite Corporation, or AMSAT, volunteers have established communications with RadFxSat-2, a small CubeSat that had been silent since it deployed in a Virgin Orbit launch Jan. 17, 2021
Eavesdropping by LED
f you ever get the feeling someone is watching you, maybe they are listening, too. At least they might be listening to what’s coming over your computer speakers thanks to a new attack called 'glow worm.'
Comet Antennas - Hamfest 2021
Let's check out Comet Antennas at Huntsville Hamfest 2021, and talk to Mick and let him show us across their line of VHF UHF even HF mobile antennas and mounts
Hackaday: Where’s that radio? A brief history of direction finding
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Installation and test of 40M band UltraLight Magnetic Loop Antenna
In this video Paul OM0ET shows how to setup the 40M band UltraLight Magnetic Loop Antenna and tests it in real QRP conditions using a Xiegu X5105
Simon saunders blog
Simon Saunders' Blog, from UK
Longmont Amateur Radio Club Website
Ham Radio/Clubs/North America/USA/Colorado
Serving the Longmont Colorado area
EA7URR
Asociacion de radioaficionados rocieros
Groundplane Antennas at Various Heights
Antennas/Theory
Mounting on roof at the right ground level can greately impact on antenna performances because will affect the radiated angle of energy.
Ukraine special event
Look for special event station EM30RUARL from Chernihivska to be active between now and December 31st
Tonga update
Masa, JA0RQV, is now active as A35JP from Nuku'alofa, Tongatapu Island (OC-049). He was heard on 17 meters CW, August 22nd. He will be in Tonga until October 31st (early November)
RTE on long wave 252 kHz back on air
RTE carried out essential maintenance of the Long Wave transmitter in Clarkstown, Co. Meath for two months during which period RTE Radio 1 was not available on 252 kHz
The Web working group
A work party is being put together to work on the replacement for the present South African Radio League website
Amateur Radio Digital Communications
Since its allocation to Amateur Radio in 1981, Internet network 44, known as the AMPRNet, has been used by amateur radio operators to conduct scientific research and to experiment with digital communications over radio with a goal of advancing the state of the art of Amateur Radio networking, and to educate amateur radio operators in these techniques
6m DXpedition to Austral and Marquesas Islands
Lance, W7GJ, says: Hello Sixers! As Es season draws to a close, it is of course time to gear up for EME ;-) Remember, if you have a good yagi, an amplifier, a quiet QTH and some ground gain, I can work you when your moon is near the horizon!
Farnham WebSDR to shutdown
The popular amateur radio WebSDR at Farnham is to cease operation in a few weeks
Hurricane Watch Net Turns Attention to Henri as Storm Hits New England
Now a tropical storm with sustained winds of about 60 MPH, Henri came ashore along the Rhode Island Coast with its sights set on Southern New England. The National Hurricane Center has warned of dangerous storm surge, strong, gusty winds, and flooding rainfall expected across portions of the Northeast. Heavy rain already has been reported in New York City, where flash flooding resulting from mo...
Turlock Amateur Radio Club
Homebrew 1 Watt 2.4 GHz Power Amplifier
Technical Reference/Amplifiers/UHF Amplifiers
This will show you how to add a RF power amplifier to your Proxim Symphony for under $50. The cost is reduced by using the existing components on the Symphony, such as the PIN diode switch, and just inserting a higher power final amplifier.
Increase the RF output power of your wireless network card to 1 Watt.
Malaysian special event
To celebrate the 64rd anniversary of Malaysia's independence (August 31, 1957), look for the following special event stations to be using the special prefix 9M64
DX Féile 2021
Ireland's DX Convention is confirmed to be going ahead at the Aran Islands Hotel on Inishmore, County Galway, this September 24th and 25th
Student of ARISS educator wins scholarship
A student of ARISS educator Joanne Michael wins AIAA Kahn $10,000 scholarship
FPGA HF radio on Hackaday
Traditional analog and an FPGA make this junkbox HF receiver a bit special
SDR Radio Net livestreamed on YouTube
The South Dublin Radio Club HF net, which meets on Sunday mornings on 40 metres ahead of the radio news bulletin transmission, was livestreamed on Sunday last
TV News: East Greenbush radio hams meet up
CBS 6 News reports a bunch of hams gathered in East Greenbush to celebrate their hobby -- and by that, I mean amateur radio operators
Radio ham constructs 40-foot rocket for daughter
The Bemidji Pioneer reports radio amateur Roben Beyer KG0OC constructed a 40-foot rocket as a send-off gift for his daughter
Radio hams help locate Caldor fire evacuees
CBS News reports in El Dorado County, ham radio operators are using their skills and communications gear to assist deputies in the search for Caldor Fire evacuees
Amateuradiomalaysia
This site is meant to assist all Amateur Radio members know the "ins" and the "outs" of how to enjoy the hobby of getting on the amateur radio frequencies, by 9W2SSJ & 9W2RYS
CN2R Phased Beverages
Antennas/Beverage
Picture collection of the beverage antennas installed with cross-fire feed at CN2R
Top Amateur Radio Websites - Issue 2132
A Simple Spectrum Analyser, The G4AON SSB Transmitter, Transformers for low-bands antennas, Speech synthesiser for FT-817, Building a VHF Contest Station, N-Type Connector on Cellflex Cable, Operating AMTOR
41st ALARA Contest
A combined phone and CW contest run over 24 hours starting on Saturday 28th August at 0600 hours UTC and finishing Sunday 29th August at 0559 hours UTC
SARL 30 Metre Challenge
The SARL Council has decided that the 30 Metre Band Challenge will be held on Saturday 4 and Sunday 5 September 2021 with the aim of working towards your 30 Metre Worked All ZS and 30 Metre Worked All Grid Squares Awards. It is not a contest!
Now over 4,000 ham radio repeaters in Germany
The DARC reports the online map of German repeaters now contains over 4000 entries
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