Where did the term, Ham Operator come from? Why are we Hams? When does Ham Radio first appear in a publication?
News
Tad Cook, K7RA, Seattle, reports: Solar activity slowed this week, with the average daily sunspot number declining from 48.9 last week to 33.9 this week (July 22 – 28). Wednesday, July 28, saw no sunspots at all. Average daily solar flux we... Read more
Antenna
Why dipole antennas are a half wave long ?
Why dipole antennas are a half wave long ? Read more
20M LOADED DIPOLE – HALF A YAGI?
Here we take a look at building a short, loaded dipole for 20 Meters, 14 MHz. In fact, this is going to be half of a 2 element yagi for the 20M band. Read more
XR3 on prototype new Force 12 ToT (Tilt Over Tower)
3D animation by Jeremy Cleaveland, KE0CGU Read more
Green Heron Rotator Controller RT-21azel
Rotator Controller RT-21 Azimuth/Elevation Two separate control boards for independent Azimuth and Elevation New crisp OLED displays Separate Point-an... Read more
472kHz Antenna Calculator
This tool calculates the antenna capacitance and radiation resistance of small vertical monopoles at 475 kHz. It is by no means a replacement for ante... Read more
VHF
Released the IP501M dual-SIM compatible in- vehicle IP transceiver compatible with 2 carriers of au / NTT DOCOMO .
Product name / model name In-vehicle IP transceiver / IP501M Suggested retail price Open price Release date Monday, September 30, 2019 Annual sales pl... Read more
RADIODDITY GA-510 | 10W | DUAL BAND | TRI-POWER | ANALOG RADIO | 2 BATTERIES
➤ 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
Wouxun KG-D901 DMR realese 2016
WOUXUN have recently announced a new radio coming to market in Q1 2016 and this will be a DMR (Digital Mobile Radio) and also come complete with analo... Read more
Hytera AR-685 Handheld UHF, FM, DMR, GPS, 1 watt / 4 watts
The AR685 is fitted with a high-quality aluminum metal frame and still weighs only 310g. The lithium-ion battery with 1500mAh allows at least 16 ho... Read more
New UHF ISS Digipeater!
“Recently, the old VHF Ericsson handheld used for the digipeater on the ISS died and it was replaced with an equivalent UHF one. This is my firs... Read more
App - Mobile
DroidRTTY – RTTY for Ham Radio App Android
Ham Radio App DroidRTTY is an application to decode and encode Ham Radio RTTY with the build in microphone/speaker or wired to your radio. A wa... Read more
Top 5 Ham Radio App
Ham Radio App If you’re a member of ARRL, the national association for Amateur Radio, install this app and have QST, the ARRL membership journal... Read more
EchoLink for iOS version 2.6.14 is now available
EchoLink for iOS version 2.6.14 is now available in the App Store. This is a 64-bit build that is fully compatible with iOS 10 and modern iOS devices.... Read more
FlexRadio Systems Announces Partnership With DL8MRE – APP for Iphone
FlexRadio Systems and Marcus Roskosch, DL8MRE announced today a partnership to develop, market and sell a client interface application for both iPad®... Read more
Yaesu FT817 CAT Control Setup & BT Remote Control | Android
In this video we run through setting up a bluetooth CAT control for the Yaesu FT-817, using an Android Tablet, bluetooth interface, and Yaesus... Read more
