- Andrey Fedorov
- 93,856 total number
- Austria (Vienna)
The largest number of amateur radio contacts in a year is 93,856, and was achieved by Andrey Fedorov (Austria) in Vienna, Austria, on 31 December 2018.
Andrey made the contacts using the call sign 4U1A from the International United Nations Amateur Radio Contest DX Club (ARCDXC).