Amateur Radio News

Displaying articles 1 - 10 of most recent articles

Harris Platinum Solid State Power Amplifier for 50 or 70 MHz Technical Reference/Amplifiers/VHF AmplifiersHarris Platinum I Solid State Channel 2, and 3 TV Amplifier Modules for use, on 50 or 70 MHz
The DXZone | 7 hours, 17 minutes ago | comment? | recommend

QRO Coaxial Relay for 50 MHz Technical Reference/Coax Cables and ConnectorsBuild a SPDT coaxial relay that can be used as a main Transmit/Receive relay or an A-B switch to select between two different 6m antennas
The DXZone | 7 hours, 17 minutes ago | comment? | recommend

International Lighthouse Lightship Weekend Registrations Top 200 and Rising Registrations for the 2017 International Lighthouse Lightship Weekend (ILLW) have topped the 200 mark for the August 19-20 event. The ILLW is 20 years old this year, and with some 8 weeks to go, 220 planned operations have registered throughout the world,
ARRL | 20 hours, 26 minutes ago | comment? | recommend

OF100HQ Will Celebrate Finlands Centennial in IARU HF World Championship Event The commemorative call sign OF1HQ will be on the air during the IARU HF World Championship event July 8-9 to mark Finlands 100th anniversary.Finland has been under Swedish and Russian rule, and has had to fight her way to her own destiny of freedom in sec
ARRL | 20 hours, 43 minutes ago | comment? | recommend

Region 1 Intruder Watch Reports the Usual Suspects Read full story for latest details.
ARRL | Jun 26, 2017 12:53 PM [GMT] | comment? | recommend

Top Amateur Radio links of the week Issue 1722 Batteries For Portable Ham Radio Use, How to build NVIS antenna, Custom QSL Cartoons, Building a 100 Watt 2M Linear Amplifier, VHF FM Power Amplifier, 160m 20w AM transmitter , Icom IC-7700 Power Amplifier Module, Alpha Antenna, IC-7700 as a bench spectru
The DXZone | Jun 26, 2017 08:29 AM [GMT] | comment? | recommend

Programming a Baofeng UV-5R for PMR446 Technical Reference/Programming RadioNice feature of the Baofeng UV5R family is that they support 6.25kHz tuning steps. That fact makes it possible to dial in the radio to use the exact PMR446 channel frequencies rather than a nearest fit which is the cas
The DXZone | Jun 26, 2017 08:29 AM [GMT] | comment? | recommend

Precision VXO Technical Reference/Test EquipmentThe Precision VXO (PVXO) and its matching Crystal Test Fixture (CTF) were created to provide a low cost means of evaluating the characteristics of crystals and a means of measuring their series resonant frequency.
The DXZone | Jun 24, 2017 08:28 AM [GMT] | comment? | recommend

The K7RA Solar Update Average daily sunspot numbers rose this reporting week (June 15-21) from 4.9 to 29.4. The previous week had four days with no sunspots, and this week there were no zero sunspot days, hence the dramatic increase in the average.Average daily solar flux bare
ARRL | Jun 23, 2017 1:57 PM [GMT] | comment? | recommend

ICOM IC-756 PRO II Review Radio Equipment/HF Transceivers/ICOM IC-756I give the Now Long Discontinued ICOM IC-756 PRO II (2) a luke warm Thumbs Up for Shortwave Listening use due to it is fair to poor receive audio quality. The matching power supply and speaker fare even less . Bu
The DXZone | Jun 23, 2017 08:30 AM [GMT] | comment? | recommend

« Previous 1 2 3 4 5 Next »

More Technology