“A Necessarily Incomplete Survey of Amateur Radio HF Unity Gain Antennas–a look at the many, many antennas used in ham radio that have about the same gain as a good dipole. I select the antenna to be used in the Reference Station.”
News
ANACOM acts to eradicate interference and abuse of radio spectrum.
Gaspar, EA6AMM José Francisco de Almeida, CT4AN, IARUMS Coordinator from REP (Rede dos Emissores Portugueses; Portugal), info... Read more
Tonga Volcano Update | Ham Radio Disaster Communications
Tonga Volcano An update on the situation coming out of Tonga. A very large volcano has erupted disrupting satellite, communications and telephone netw... Read more
Extended ARRL Team Will Support February’s ARRL National Convention in Orlando
HamCation A large ARRL team of member-volunteers, program representatives, and presenters will advance the convention theme inviting attendees to “reD... Read more
Vertical HF Antenna LZAV-5BAND
Vertical HF Antenna made in BULGARIA Bands: 14-18-21-24-28 MHZ Frequency, MHz 14 / 18 / 21 / 24 / 28 Power watts 2,5 kW Radials (number) 4 x 2.05 m VS... Read more
Amateur Operation in 3.45 – 3.5 GHz Segment Must Cease by April 14, 2022
The FCC has established April 14, 2022, as the date by which amateur radio transmissions must stop in the upper 3.45 – 3.5 GHz segment of the amateur... Read more
Software
DXLog 2.5.29 is now available
DXLog was ignoring some cluster spots from DXSpider nodes. DXLog was also ignoring some PSK spots. These have been fixed. Problems with the spot quali... Read more
LORA APRS – iGate & Tracker Configuration & Test
Here we take a look at the Lora APRS project using the TTGO Lora Boards LORA Features:Working voltage: 1.8~3.7v Acceptable current: 10~14mA Transmit c... Read more
New Icom Amateur Radio USB Driver and Control Software Updates
Over the Christmas and New Year Holiday, Icom released updates that will provide improvements to the IC-705/ID-52E USB driver and RS-BA1 Version 2 and... Read more
SDRangel – TX & RX Software Defined Radio
An overview of some of the features in SDRangel, an open-source TX & RX SDR (Software Defined Radio) application. Read more
PDW – An SDR Decoder For ACARS & POCSAG Pagers
PDW – An SDR Decoder For ACARS & POCSAG Pagers Read more
Contesting
ARRL Surveying Field Day Participants
ARRL Field Day The ARRL Programs and Services Committee is seeking input from stations and groups that participated in ARRL Field Day 2020 a... Read more
ARRL RTTY Roundup ( RTTY, PSK, FT8/FT4, ASCII, AMTOR, and Packet )
Photo: LO5D ( LU9ESD Manu ) Contest Objective: Amateurs worldwide contact and exchange QSO information with other amateurs using digital modes (B... Read more
Kids Day is January 1, 2022
Saturday, January 1, 2022, is Kids Day. The event gets under way at 1800 UTC and concludes at 2359 UTC. Sponsored by the Boring (Oregon) Amateur Radio... Read more
Straight Key Night is January 1, 2022 (UTC)
The annual ARRL Straight Key Night (SKN) returns on New Year’s Eve and New Year’s Day, January 1, 0000 – 2359 UTC. Many hams look forward to SKN as on... Read more
WRTC 2022 Award
First time ever dedicated Award to the promotion of the organization of the WRTC 2022 – “World Radio Team Championship”. Beginning 1st January to 10th... Read more
Review
Virtual Reality For Ham Radio With Oculus Quest 2
Virtual reality headsets like the Oculus Quest 2 has the capability of remoting into your ham shack computer for remote control of any application on... Read more
MOSFET – The Most significant invention of the 20th Century
What makes a truly world-changing invention?. Of all the inventions of the 20th century just one could be said to have changed the world in such a way... Read more
The only five things you need (for portable operation)
Stop buying equipment, you only need these five things to have a successful ham radio portable operation. Read more
How Good is the IC-7300 Internal Tuner?
Lee, KA5NHU, watched Ask Dave Episode #391 and has a question. Could you use the internal tuner inside the IC-7300 or should you use an external tuner... Read more
Uses of Pre-Amp, Attenuation, Notch, Noise Blanker, Noise Reduction, and IP+ ?
Robert, W4RKM, has watched many videos on the funtions and capabilities of a rig, but he wants to know the differences and applications for the variou... Read more
