Antenna
Comet Antenna – Full Catalog (.pdf)
Download Comet Antena catalog in (.pdf ) : Read more
Radio Wave Properties: Electric and Magnetic Dipole Antennae
“An HP model 3200B VHF Oscillator and ENI model 5100-L NMR RF Broadband Power Amplifier provide a 300 MHz signal to a half-wave dipole antenna.... Read more
Yaesu Antenna Rotators G 450A
G-450A Specifications Power Supply Voltage: 117 VAC, 50-60 Hz Power Supply Current Consumption: 0.5 Amps Rotor Voltage: 24 VAC Cable Conductors... Read more
What is a Bi-Cone Antenna ?
Bi-Cone Antenna he Bi-Cone Antenna is a Dipole Antenna The Bi-Cone antenna is essentially a finite length dipole antenna that exhibits very wide reson... Read more
App - Mobile
The RS-MS1I APP is now available via the iTunes store
Description Functional overview of the application DR functions You can use some transceiver’s DR functions. Share pictures Send and receive vo... Read more
SmartSDR for iOS v3.4.01 Now Available
FlexRadio Systems announces the release of SmartSDR for iOS v3.4.01 is now available for download or update from the Apple App Store. This App require... Read more
The World Wide Repeater Directory
RT Sytems and RFinder – The World Wide Repeater Directory bring integrated routing to radio progamming! Once again RFinder and RT Systems... Read more
Antenna Tool App – Android
A tool to help ham radio, CB, and other radio users to create antennas of various types. Calculations available for dipole, vertical (1/8, 1/4, 3/8, 1... Read more
Remote Vacuum Relay Switch, RK-314
Features The RK-3xx series of switches uses vacuum relays. It is designed to switch coaxial lines in RF systems operating up to 5 kW continuous... Read more
News
Hamvetion Dayton 2015 – Guide
Hamvetion Dayton Hello to all Hamvention Visitors, Welcome to Dayton, Ohio and to the 63rd Dayton Hamvention. The past 62 annual gatherings of... Read more
Planning Your ARRL Field Day 2020 Operation
For most of us, ARRL Field Day 2020 is going to look quite different than it did in past years. Considering the impact of social distancing due to the... Read more
Break-In Magazine – ZL National Amateur Radio Society
As an NZART member you support the ranks of thousands of other ham radio enthusiasts shaping the Amateur Radio service today. If you consider yourself... Read more
RSGB Questions UK Regulator Ofcom Regarding New Interference Control Regulations
The Electromagnetic Compatibility Committee of the Radio Society of Great Britain (RSGB) still has wide-ranging questions for UK telecommunications re... Read more
3,000 person passes Foundation exam via remote invigilation
“We’re delighted that the 3,000th person has just passed their Foundation licence via remote invigilation! Congratulations to them and welcome t... 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
JS8Call 0.7 Released
J8Call “Howdy Folks, We’ve sure come a long way in the past few weeks. Thanks for sticking with me and enjoying the ride! This release is... Read more
HamRadioNow : Digital Voice is EXPLODING
HamRadioNow Read more
Everybody’s Trying the New FT8!
“FT8 is the newest weak-signal mode from Joe Taylor, K1JT, and friends. It operates very much like JT65 but is four times faster and more automa... Read more
New FT4 Mode with more 20K spots in few your hours realese
Source: LINK WSJTX 2.1.0RC5 Release! – The FT4 Protocol for Digital Contesting The FT4 Protocol for Digital Contesting by K1J... Read more
![SSTV Transmissions Scheduled from ISS [ August 6 – 7 ]](https://qrznow.com/wp-content/uploads/2021/08/133827-90x60.jpg)
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