Joe Spandler K3SZH and Francisco Ramires PY2OV have achieved a 7736 km QSO using the 70cm to 2m transponder on the 35 year old Amateur Radio satellite AO-7. This believed to be the furthest contact within the Americas but just short of the world record.
On Sunday January 24 at 22:52 UTC Joe Spandler K3SZH in Harrisburg, Pennsylvania, had a short contact with Francisco Ramires PY2OV in São Paulo, Brazil.
The distance between the two stations was 7738 km. The contact was made using SSB on the 70cm to 2m linear transponder and is believed to be the furthest contact within the Americas, but falls just short of the ZS6BB-EA6SA contact.”
The theoretical maximum range of AO-7 is about 7907 km so the the record could be broken yet again.
Find out more at : http://www.planetemily.com/ao7/