OI Activity Day

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Finland's SRAL reports military radio amateurs using the OI callsign prefix will be on-the-air on Friday, 5th March 2021

OI is a rare prefix, there are only about 35 stations with an OI callsign and a special ham radio award is available for working contacts with the OI prefixed stations.

To be eligible for the award, stations need to work contacts with different OI prefixed stations as follows:

  • Stations located outside of Finland need to work five OI stations

  • Those who are in Finland need to work ten contacts.

OI Award - https://sirad.fi/oi-award/