“If you are in the market for a high gain HT antenna for those fringe areas, this may be for you. The Diamond SRH770s is very flexible for portable operations, and will get you into those fringe repeaters so you can finally get on DSTAR DMR and System Fusion”
Length:70cm / Weight:45g, Gain: 2.15dBi (144MHz), 4.5dBi (430MHz), Impedance:50ohms / Max.power rating:10W FM, Connector:SMA-P / Type:3/8wave (144MHz), 3/4wave (430MHz).
http://www.diamond-ant.co.jp/english/index.html
Propagation
A Machine-Gun Flare Player Delivers a 1,2 Punch at Earth
“We have two back-to-back solar storms on their way to Earth! The second one will catch up and slam into the first before they reach Earth, whic... Read more
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: Solar activity was weaker over the February 24 – March 2 reporting week, with the average daily sunspot number weake... Read more
VHF
Icom VE-SP1 LTE/PoC Radio Desktop Conference Microphone
A short video about the Icom VE-SP1 desktop conference speaker microphone which enables a simultaneous voice conference in multiple locations by combi... Read more
Iridium Command Center Explanation – ICOM
Icom’s satellite radios utilize Iridium’s constellation of Low Earth Orbit satellites. With this network, you can set up to 2,250,000 square kilometer... Read more
Software
ICOM IC705 firmware 1.27 has just been released
Download Type Firmware Model name IC-705 Version Version 1.27 Update 2022/05/20 Major changes Changes from Version 1.26Improved to enable forcing an A... Read more
ARRL International Digital Contest Log 1.0 is Now Available! [ N3FJP LOG]
“Hi All, Just a quick note to let you know that…ARRL International Digital Contest Log 1.0 is Now Available!We just completed a brand new... Read more
News
K4BEN, announces the official beta of his Remote Radio Service
K4BEN, announces the official beta of his Remote Radio Service, DXRemote.net. It is a very simple concept: his enterprise-class, redundant n... Read more
New at ICOM Hamvention 2022!
ICOM Hamvention 2022! Take your contesting experience to the next level with the latest LDMOS power device with features supporting a SO2R operation i... Read more
Equipment
THE NEW HEIL HAM RADIO!
“First, we would like to thank you for your continued support of our company and products. As Heil Sound Communications continues to grow we wan... Read more
Introducing SDRconnect – SDRplay Hamvention 2022 demo
This video shows the demo we are showing this weekend (May 20-22) at Hamvention in Dayton, Ohio. This demonstrates the core underlying technology behi... Read more
Digital Modes
The Ultimate Portable Ham Radio Computer
Hello Operators. In this episode of the OH8STN ham radio, we are discussing replacing the raspberry pi field computer build, with the Microsoft Surfac... Read more
Get Started with FT8 – An Introduction for Beginners
FT8 is a mode in the WSJT-X software developed by Dr Joe Taylor K1JT. In this video I show how to get started and make contacts with FT8, introduction... Read more