A new easy-to-use amateur radio satellite was launched last weekend and was switched on for general use on Thursday. AO-91, also known as RadFxSat and Fox-1B is a Cubesat that carries an FM transponder. The uplink is on 435.250MHz FM, plus or minus Doppler, with a mandatory 67Hz CTCSS tone for access. The downlink is […]
The International Telecommunications Union celebrated 90 years of ITU-Radiocommunications study groups on 21 November 2017. A 90th anniversary celebration issue of the ITUNews magazine can be downloaded (65-page/11.5MB PDF). Also, ITU HQ station 4U1ITU will be active in the CQ World Wide DX CW contest. QSL via operators’ instructions.
Sad news now. One of the pioneers of software-defined radio, Dr Vanu Bose, died suddenly at the age of just 52 on 11 November 2017. He gained his PhD at MIT, founded, and was CEO of Vanu, Inc. His company made much early progress in SDR, including developing the first SDR GSM mobile phone base […]
The recent RSGB VDSL survey highlighted the growing problem with RF noise radiated from phone lines carrying VDSL2 broadband services. Backed by the RSGB Legacy Fund, members of the RSGB EMC Committee are researching and developing RF digital signal processing techniques to identify and, hopefully, help mitigate VDSL RFI. The first stage, which is currently underway, is analysing […]
The RSGB Emerging Technology Coordination Committee, or ETCC, develops and enhances the UK amateur radio repeater and data communications systems, and promotes the introduction and roll-out of appropriate new technologies. The Chair of the ETCC, John McCullagh, GI4BWM, has decided to retire from his role, after many years of invaluable service. RSGB is therefore seeking […]