CubeSat 101
Operating Modes/Satellites/CubeSats
A free PDF from NASA about cubesat. Basic Concepts and Processes for First-Time CubeSat Developers. A great introduction document dedicated to Cubseat developers.
CubesatShop
Shopping and Services/Microwave
This is a website that sells CubeSat components and kits, including solar panels, batteries, and radios.
The CubeSat Simulator
Operating Modes/Satellites/CubeSats
This website provides a free, web-based CubeSat simulation tool for testing and evaluating CubeSat designs.
CubeSat.org
Operating Modes/Satellites/CubeSats
This website provides information and resources for CubeSat developers, including a directory of CubeSat projects and a forum for discussing CubeSat-related topics. The CubeSat standard facilitates frequent and affordable access to space with launch opportunities available on most launch vehicles.
CubeSatKit.com
Operating Modes/Satellites/CubeSats
This website provides kits, parts, and resources for building and launching CubeSats for amateur radio use.
Top Amateur Radio Websites - Issue 2305
What is Horn Antenna, Award Secretary, The Wanted Alive, TL8AA TL8ZZ DX Pedition, BUREAU_ALL_QRZ_COM for Logger32, T33T Log Online, Connecticut CW Club,
ARRL Audio News January 27, 2023
ARRL Audio News January 27, 2023
Missouri S&T Amateur Radio Club to Celebrate 100 Years
The Missouri S&T Amateur Radio Club, W0EEE, at Missouri University of Science and Technology (Missouri S&T), is gearing up for an early celebration of their 100 years. Club President Morgan Lyons, KI5SXY, said the station first went on the air in 1923 as the M.S.M Radio Club, broadcasting basketball games from the Jackling Gym on the grounds of the Missouri School of Mines and Metallurgy (MSM)....
W4SHL Shelby County Amateur Radio Club
W4SHL amateur radio club in Shelby County
Scout Activities - Amateur radio
Ham Radio/Clubs/Scouting
Radio Scouting at the Scout Association England UK.
What to expect and What you will learn, Fun facts, Handy hints
Mobile App Available to Navigate 2023 Orlando HamCation
Orlando HamCation® is February 10 - 12, 2023, and hosts the ARRL Southeastern Division Convention. In partnership with HamCation, ARRL's free mobile app is available to help attendees navigate the large event, which is held at the Central Florida Fairgrounds and Expo Park.
The free ARRL Events app is now available and already includes HamCation's full program, so attendees can browse and schedul...
Yaesu Radios Donated to ARRL to Inspire Visitors and Young Hams
There are two new Yaesu transceivers in use at ARRL Headquarters in Newington, Connecticut. They arrived via a generous donation from Yaesu USA.
The Yaesu FTDX101MP transceiver is a welcome addition to Studio 1 in W1AW, the Hiram Percy Maxim Memorial Station.
The company has donated an FTDX101MP and FTDX10, both HF/50 MHz transceivers. In arranging the donation, Yaesu Vice President, Sales and Cr...
Magnetic Loop 600 KHz-4MHz
Antennas/Magnetic Loop
The antenna is built on a cross-shaped frame with spar width (and height) of 48 inches, providing a height of 52 inches and a width of 49 inches. This antenna costs only about $45 to construct and can be built in just a few hours using simple hand tools. The best part is that the performance on 160M and 80M is excellent
30m Half -Size Rotary Dipole
Antennas/30M
A rotary dipole antenna for 30 meters band. Each arm is about 12.5 ft and is constructed from telescoping fibreglass flag/fishing poles and short lengths of aluminium tubing. Two short lengths of glass-fibre rod were used to insulate the arms from the supporting hardware.
A switched Capacitor Audio Filter
Technical Reference/Audio
Here is a rather nice audio filter for use with Ham Radio gear. It features switchable operation as a -32 dB per octave low pass or notch filter having a 200Hz-2500Hz tunable cutoff frequency, buffered input and output, switch selectable filter bypass function, and good stability. T
VARA
Software/Weak Signal
VARA HF is a soundcard modem that can be found on the HF bands exchanging traffic (Winlink). VARA implements an High Speed Data Mode and comes in 2 separate programs VARA FM and VARA HF. VARA is a High Performance HF modem based on OFDM modulation. VARA Modem, brings state of the art Military grade technology to new and existing HF data. Introduces a new standard of technology available for Amateur and Commercial use. Designed for operation within a SSB Bandwidth of 2400 Hz.
RDXC
Rhein Ruhr DX Association
Build the K1FM-Loop
Antennas/Magnetic Loop
The latest version of the K1FM-Loop is electrically similar to the previous one, but it is designed around off-the-shelf parts or, more generically, items you can readily order online. This antenna relies heavily on 3D printing.
Top Amateur Radio Websites - Issue 2304
Telescoping PVC mast, Morse CW, HAM Radio DIY Projects by DL8ABH, CTR2-Mini Radio Controller, It's Ham Radio, W5BCS Bryan Amateur Radio Club, Arkansas Diamond Amateur Radio Club, The United States Awards Net, N4POW Powhatan Area Radio Club, W9ZL Fox Cities Amateur Radio Club,
Remote solution for TS590s
Radio Equipment/HF Transceivers/Kenwood TS-590S
How to use a small USB DJ controller to remote control the Kenwood TS-590s
ARRL Audio News January 20, 2023
ARRL Audio News for January 20, 2023
Amateur Satellite FalconSAT-3 Nears Reentry
Many amateur radio operators and satellite watchers have been predicting the date and time of reentry for FalconSAT-3 (FS-3). While all reentry predictions are something of a guessing game due to the large number of variables affecting the upper atmosphere, it is certain that the end for FS-3 will be coming very soon, possibly the week of January 16 - 21, 2023.
Radio Amateur Satellite Corporatio...
Winter Field Day 2023
Winter Field Day (WFD), sponsored by the Winter Field Day Association, is coming again. This year, the dates are January 28 and 29. Radio clubs around the country are activating for this event. Complete rules can be found on the WFD website, at Home - Winter Field Day. Combining this with ARRL's yearlong event, Volunteers On the Air, is a great way to make contacts that count for both activitie...
29th Annual Dayton Contest Dinner is May 20, 2023
The North Coast Contesters will host the 29th Annual Dayton Contest Dinner at the Hope Hotel, located at Wright-Patterson Air Force Base in Dayton, Ohio, on Saturday night, May 20, 2023, at 6:30 PM. Master of Ceremonies will be John Dorr, K1AR, and the 2023 Keynote Speaker is Bryant Rascoll, KG5HVO. Rascoll, of Montgomery, Alabama, was the 2018 recipient of the Bill Pasternak Memorial Amateur R...
Proposals Sought to Host 2026 World Radiosport Team Championship -- WRTC
The World Radiosport Team Championship Sanctioning Committee (WRTC-SC) is accepting proposals for hosting the 2026 WRTC event. The World Radiosport Team Championship is an on-site amateur radio competition, usually held every 4 years.
Previous WRTCs have been held in Seattle, San Francisco, Slovenia, Finland, Brazil, Russia, Boston, and Germany. WRTC 2022, delayed due to the COVID-19 pandemic, ...
70 MHz Transverter
Technical Reference/Transverters
This page gives a brief description of a 70 MHz transverter that has been published in the Danish amateur radio magazine "OZ." This way hams outside Denmark may also benefit from the design.
How to call CQ as an HF QRP station
Operating Modes/QRP
Tutorial, How to call CQ as an HF QRP station in SSB/Phone. Calling CQ Basics, Calling CQ QRP or Portable
A JFET preamplifer for 50 MHz
Technical Reference/Preamplifiers
The circuit is simple, designed with a low component count and an inherent simplicity in order to keep the cost of building the preamplifier low, and to assure low noise operation.
SAFARI 40-30m vertical Antenna
Antennas/40M/40 meter Vertical Antennas
Roach pole vertical antenna for 40 and 30 meters band featuring good performance on short skips contacts compared to wire dipole
WA6TST Barstow Amateur Radio Club - B.A.R.C
WADARC
Wirral & District Amateur Radio Club
Small Loop Antenna for the 80m to 10m
Antennas/Loop
This article describes the development of two tunable antennas each consisting of three interconnected small loops and capable of providing excellent DX performance. The aerials are home-constructed, and located in a very small garden with a minimum of visual impact on the neighbours and are low enough in height to avoid the attention of UK planning authorities.
SMRA
Emergency repeater network supporting ventura county
A Simple Hybrid Software Defined Radio
Technical Reference/Software Defined Radio
This Hybrid SDR is a combination of a current technology analog radio techniques, used with a direct conversion software defined radio to create a single conversion "hybrid" radio that is usable over a wide range of frequencies
Top Amateur Radio Websites - Issue 2303
1:49 unun for end fed half wave antennas, Understanding computer-generated RFI, Unpredictable Aspects of 160 meter Propagation, Current Space Weather Parameters, Robust PACKET at SigIDWiki, Kenwood TS-590 Driver, HamAward, 5V7RU Log Online,
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