At 08:25 UTC 19 December 2003 Brian ZL1AZE had a QSO with KL7J on 3.503 MHz. This was the 100,000th QSO made from Quartz Hill using the ZL6QH call sign.

Many thousands of other contacts have been made from the station using personal calls.

We look forward to our 200,000th ZL6QH QSO.