An introduction to an international public service and technology hobby known as Amateur Radio
“The Enforcement Bureau (Bureau) of the Federal Communications Commission has entered into a Consent Decree to resolve its investigation into wh... Read more
War in any age has depended on the flow of information to and from the decision makers, information passed from the scouts, spies and horse bound mess... Read more
Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences have made the world’s smallest radio receiver – built out of a... Read more
ARRL Member Had Role in Promising RF Treatment Device for Alzheimer’s ARRL member Eric Knight, KB1EHE, played a role in the development of an RF-based... Read more
The Deutscher Amateur-Radio-Club (DARC) has the honor to invite amateurs all over the world to participate in the annual Worked All Germany Contest. E... Read more
Ulrich L. Rohde, N1UL, of Synergy Microwave Corp was invited to deliver the sixth Sir J.C. Bose Memorial Lecture at the IEEE Hyderabad Section on Dece... Read more
Recent Posts
Florida Ham Agrees to Penalty for Failure to Identify
Telegraphers of the Civil War — Book
World’s smallest radio receiver has building blocks the size of 2 atoms
ARRL Member Had Role in Promising RF Treatment Device for Alzheimer’s
Worked All Germany (WAG) Contest rules
Ulrich Rohde, N1UL, Recognized for Pioneering Work on SDR
Antenna
Reference Station Antenna Redux: MFJ-2010 OCFD for 40, 20, 10, 6m
“The MFJ-2010 off-center-fed dipole (OCFD) looks like a much better candidate for the reference station antenna. This video looks at is features... Read more
HyEndFed 5 band 80/40/20/15/10 Antenna
HyEndFed 5 band for 80,40, 20, (15) and 10 meter. Max. Power : 200 watt PEP. Length : 23 meter. Enclosure : Polycarbonate IP67, 100% UV resista... Read more
$40 ANTENNA ANALYZER WITH ARDUINO AND AD9850
If you are a hacker, you might consider ham radio operators as innovative. Most people, however, just see them as cheap. So it is no surprise t... Read more
“KBG” Short Dipole Antenna
Short Dipole Antenna No, it is not a KGB antenna, even though it’s overall length makes it a stealthy antenna: 1m8 for the... Read more
UHF VHF Antenna 08-ANT-0861
UHF VHF antenna 08-ANT-0861 has a 25MHz – 6GHz frequency range. This HAM radio base station antenna and two way radio antenna is for land mobile radio... Read more
Review
YAESU FT- 891 First Test [ Video ]
FT-891 HF+50Mhz ALL MODE MOBILE TRANSCEIVER The FT-891 HF All Mode Mobile Transceiver once again continues Yaesu’s legacy for legendary receiver... Read more
Unboxes the NEW Yaesu FT-891
Yaesu FT-891 Yaesu FT891 New, Exciting Yaesu Field Gear – HF/50MHz 100W All Mode Transceiver – FT-891 · Rugged construction in an ultra-compact... Read more
Synchronising VFO Frequency for Multiple tuners – SDRPLAY
“When using the dual tuners of the RSPduo, or multiple RSPs on a single computer you sometimes want them all tuned to the same frequency, e.g. f... Read more
Radioddity GA-510 10-Watt Handheld Review
➤ UP TO 8 MILES RANGE: A further and more impressive communication range comes from the 10W high power feature. The Radioddity GA-510 can be set in 3... Read more
Digital Modes
JT65 ‐HF Operator’s Guide
JT65 An introduction to JT65: A weak‐signal high frequency digital mode WSJT modes of di it l digital communi ti ca on were ori i ll g na y dl d eve o... Read more
PSK Automatic Propagation Reporter
This started out as a project to automatically gather reception records of PSK activity and then make those records available in near realtime to inte... Read more
Fldigi v3.23.16 now available
The hard-working development team led by W1HKJ have announced the release of Fldigi v3.23.16. This version of Fldigi is a maintenance release with a v... Read more
Digital Mode Operators Invited to Take Part in 2016 Most Wanted DXCC Entities Survey
Digital mode operators are invited to participate in the 2016 Digital Mode Most Wanted Survey. Previously known as the “RTTY Most Needed DXCC Entities... Read more
The FT4 Protocol for Digital Contesting by K1JT
Joe Taylor, K1JT, Steve Franke, K9AN, and Bill Somerville, G4WJS April 22, 2019 Introduction: FT4 is an experimental digital mode designed specificall... Read more