Wednesday, April 19, 2017

OE17M - International Marconi Day Special Event Station


The Amateur Radio Section of ORF (Austrian Broadcasting Corporation) and the Documentary Archive Radio Communications/QSL Collection will operate for 72 hours only, a special event station with the callsign OE17M on Friday, April 21st­Sunday, April 23rd (00:00-24:00 UTC).

OE17M is an official "International Marconi Day" station.

Contacts made on Saturday, April 22nd, are valid for the IMD Award.

QSL info available at: http://www.qrz.com/db/oe17m

Via Alokesh Gupta

Wednesday, April 12, 2017

Special AIR programmes on 70th Indo-Russia ties anniversary

The All India Radio (AIR) will broadcast special programmes on its domestic and external network to mark the 70th anniversary of Indo-Russia diplomatic relationship.

Details at :
http://www.india.com/news/agencies/special-air-programmes-on-70th-indo-russia-ties-anniversary-2022689/

Via Alokesh Gupta

Thursday, March 30, 2017

BBC makes 1920s Radio Times magazines available


The BBC has made the earliest issues of the complete Radio Times magazines 1923-1929 publicly available online for the first time

This release is part of the BBC Genome Project - a digitised searchable database of programme listings - from 1923 to the end of 2009.

More at :

http://www.southgatearc.org/news/2017/march/bbc-makes-1920s-radio-times-magazines-available.htm#.WN5gfcCGPIU

Wednesday, March 22, 2017

Airspy unveils Airspy HF+ specs


Airspy has unveiled details of upcoming Airspy HF+ at : http://airspy.com/airspy-hf-plus/

Technical specifications

HF coverage between DC .. 31 MHz
VHF coverage between 60 .. 260 MHz
-138 dBm MDS at 500Hz bandwidth in HF
-142 dBm MDS at 500Hz bandwidth in VHF
+26 dBm IIP3 on HF at maximum gain
+13 dBm IIP3 on VHF at maximum gain
110 dB dynamic range in HF
95 dB dynamic range in VHF
120 dB Image Rejection
Very low phase noise PLL (-110 dBc/Hz @ 1kHz separation @ 100 MHz)
+10 dBm Maximum RF input
No Silicon RF switch to introduce IMD in the HF path
Routable RF inputs
Wide Band RF filter bank
Tracking RF filters
Sharp IF filters
Smart AGC with real time optimization of the gain distribution
All RF inputs are matched to 50 ohms
2 x High Dynamic Range Sigma Delta ADCs @ up to 36 MSPS
600 kHz alias and image free output
18 bit Digital Down Converter (DDC)
0.5 ppm high precision, low phase noise clock
4 x Programmable GPIO's
No drivers required! 100% Plug-and-play on Windows Vista, Seven, 8, 8.1 and 10
Industrial Operating Temperature: -45°C to 85°C