Nordic Activity Contest – NAC

Many of our members are active in NAC and also contribute in the NAC Club Contest “Klubbtävlingen” for SK0CT

The NAC contest calendar, results and rules are found at Föreningen Sveriges Sändaramatörer website:

Weekly, on each Thuesday and one Thursday scheduled radioactivity takes place on the amateurradio bands 28/50/144/432/1296MHz and microwave bands 5.7/10/24/47/122 GHz.

The national mailing reflector for VUSHF activities in SM:

The Swedish bandplans, frequency allocations are found here:

Club members are also connected on social media as a NAC contest group for the daily chat.

Join up – see Introduction -> Contacts

There is a annual Nordic V/U/SHF meeting that takes place in one of the Nordic countries.
For 2023 Sweden hosts this meeting,

For more see link: 43nd Nordic V/U/SHF meeting 26-28 May 2023 (

Useful links to resources for NAC or other activities on the VHF UHF MICRO bands

Find your Maidenhead (QTH/QRA) Locator with up to 10 digits/letters

Popular activity chat for VHF UHF MICROWAVE during NAC

Tropospheric forecasts, useful for VHF UHF MICROWAVE propagation enhancements

Aurora, Geomagnetic monitoring data in realtime, useful for any Aurora radioactivities

Realtime activity reporter divided by band and also Muf-E indicator for Sporadic E season

Swedish VHF UHF MICROWAVE BEACONS, useful for propagation monitoring

Allround information source for VHF UHF MICROWAVE propagation and activities