The Cantareira DX Group (CDX) has the honor to invite the radio amateurs all over the world to participate in the Independence Day Brazil Contest (BPSK3)

A look back at events that made history this week - compiled by the Summerland Amateur Radio Club of Lismore, NSW

David Rowe VK5DGR has released V0.1 alpha of Codec2, a full function 2550 bit/s codec for Amateur Radio digital voice

Science Daily reports that large changes in the sun's energy output may drive unexpectedly dramatic fluctuations in Earth's outer atmosphere

It is difficult to believe that only entries from overseas have been received in the Innovation competition that is being sponsored by the SA Amateur Radio Development Trust and ICOM

The Amateur Radio on the International Space Station (ARISS) organisation now has a Facebook page

Solar activity is still at low levels. Currently Sunspot 1 101 is big but quiet. The effective sunspot number is expected to be less than 10 for the coming week

Five incumbents have been declared elected without opposition, while there will be balloting for the Director position in the Southeastern, Southwestern and West Gulf Divisions, and for the Vice Director position in the Southeastern and West Gulf Divisions

Matty, MD0MAN on the Isle of Man had a brief contact with the ISS. Listen to a recording of the qso

Patrick Stoddard WD9EWK/VA7EWK has released videos showing Amateur Radio satellite operation during his recent trip to Mexico

When the South African Radio League (SARL) convinced the authorities at the time that South Africa needed an introductory license to introduce teenagers into amateur radio it was with that understanding that the ZU license was introduced as a stepping stone into amateur radio for young people who had not yet reached the educational level to be able to study for the ZS or class A license

Listen-out for a couple of YB stations from Jakarta, Indonesia, transmitting CQ DX 10m on 28-29 August 2010 from 11:00 AM UTC to 14:00 PM UTC

Today, Saturday August 28, at approx 1500 GMT (10AM CST), a high altitude balloon will be launched from Ottumwa, Iowa, carrying an amateur radio QRP beacon transmitting on 14.066.6.MHz

The ever-popular RSGB SSB Field Day taking place on 4 and 5 September, starts the month’s HF contesting

The Australian Communications and Media Authority (ACMA) has requested that the Wireless Institute of Australia (WIA) temporarily suspend the issue of Certificates of Proficiency

The linkup between South Hobart Primary School and the ISS was a success, with astronaut Doug Wheelock, KF5BOC answering 7 of the 10 questions

There will be a lecture on deep space reception techniques covering the 2.2, 8.4 and 32GHz bands by Paul Marsh, M0EYT at the RSGB Convention

To help speed up the CubeSat design process, Clyde Space have published their full User Manuals online

The last two of three alleged killers of Gary Haas, N5VGH, and his wife Linda have been captured in Arizona

It is hoped that the Orkney Wireless Museum amateur radio station will be in operation from its premises at Kiln Corner, Kirkwall between Thursday 2 September and Wednesday 8 September during the 20th Orkney International Science Festival