VHF
2020 Summer VHF/UHF Field Day Contest
“The 2020 VK Summer VHF/UHF Field Day, a ham radio contest was held on the weekend of January 18th and 19th. The contest is split into either an... Read more
Portable Repeater Controller
This microprocessor-based Portable Repeater Controller was designed to quickly build a fully functional repeater ‘in the field’ in less th... Read more
ISS 437.800 MHz cross band FM repeater activated
At 01:02 GMT on September 2 a cross band FM amateur radio repeater with a downlink on 437.800 MHz was activated on the International Space Statio. The... Read more
How to Easily Add a Channel on the BaoFeng Handheld Radio (without a PC)
Walk-through steps for manually programming the BaoFeng handheld radios. Easily program your BaoFeng for Repeater or Simplex Channels along with addin... Read more
Review
How To Install Powerpole Connectors
“I introduce you to Anderson Powerpole connectors and how to solder and crimp the connector pins. This connector has become a standard among Ama... Read more
Coax Cable for HF Portable Operation – Ham Radio Q&A
“Quality coax cable can be a significant investment for your amateur radio station. A common mantra is to save your money on the antenna and spe... Read more
Unboxing Kenwood TH-D74A
Kenwood TH-D74A 144/220/430 MHz TRIBANDER. Triband Amateur radio packed with convenient features and the advantage of a digital transceiver with D-STA... Read more
News
Free Frequency Allocations Handbook
Free Frequency Allocations Authors Panel on Frequency Allocations and Spectrum Protection for Scientific Uses; Committee on Radio Frequencies; Board o... Read more
ARRL Handbook 2019
ARRL Handbook 2019 Limited Edition! Six-Volume Ultimate Boxed Set For the first time, The ARRL Handbook has been divided into multiple volumes. All s... Read more
Airspy HF+ Discovery on pre-order
Rediscover HF Again! Building on the field-proven Airspy HF+ architecture, we designed the Most Refined HF/VHF SDR with world class performance in the... Read more
RF Ground and Ground Planes – Ham Radio Q and A Episode 4 by KB9VBR
“Today we talk about the RF ground, what it is and when it’s necessary. The purpose of the RF ground is to act as a reflector. It doesn’t radiat... Read more
Equipment
QUADRUS SDR | PHASE-COHERENT MULTI-CHANNEL SDR
The QUADRUS SDR platform is complete ready to use integrated platform for advanced SDR software received implementation. It contains all the el... Read more
Anytone AT-6666 All-Mode 10 Meter Mobile
Anytone AT-6666 All-Mode 10 Meter Mobile 60 watts SSB – 360 Memories CTCSS / DCS Option Included Programming Cable Included General Speci... Read more
Weird Ham Radios: Manpack Backpack HYS TG-G25W
SPECIFICATION:Built-in 6A Li-ion battery for 10W radio12A Li-ion battery for 25W radioRadioator FanMini size:210*152*44mmFrequency Range: 136-174/400-... Read more
Hambuilder HBR4HF 4 Band HF Transceiver
HBR4HF specification Heterodyne 10MHz Xtal filter exciter based on Hambuilder BritX exciter 300-25000Hz audio band pass active filter using NE5532 4 B... Read more
Digital Modes
FT8CALL – The NEWEST HF Digital Mode, Introduction and Demo
FT8CALL “FT8, as we know, has dominated the airwaves for over a year now. Imagine the ability to have keyboard to keyboard ragchew, with... Read more
Slow Scan TV in 1973 ( SSTV )
Slow Scan TV in 1973 ( SSTV ) Read more
Caution Urged in Using High Duty Cycle Digital Modes via Satellite
A report in ANS-288 discussed an experiment operating with the WSJT-X FT8 digital mode via satellite. Satellite operators have gained more experience... Read more
JS8Call 0.9 Release notes
“Hi Folks, Thanks for staying patient with me on this one. Build servers were being weird today! Happy to bring you release with simple features... Read more
