Stockholmradio or ‘STO Radio’ which is now part of Aviolinx, is situated at Nacka Strand, a few km east of central Stockholm. We have been providing the international aviation community with HF radio communication services since the 1960’s. Our history as a maritime Coast Radio Station dates back to the early 20th century.

When operating within Stockholmradio’s service area of coverage, you can rely on our dependable, robust, long range HF-Radio communications platform, which utilises a number of remote-controlled, high-powered transmitters and associated receivers with various directional antennas at various locations.

Stockholmradio is available 24 hours day and 365 days a year.


Read more


STORadio Pilot Training

STORadio Guide

General terms and Conditions

External links


Hourly radio propagation map

Daily radio propagation map

Propagation forecasts

AUG – OCT 2018 PDF

NOV 2018 - JAN 2019PDF

Monitored Frequencies

3494/23210, 5541, 8930, 11345, 13342 and 17916 kHz
USB - Upper Side Band

Contact STO Radio



+46 (0)8 601 79 10

Other Products

AVIOLINX · P.O Box 1242 · 131 28 Nacka Strand, Sweden · +46 (0)8 601 79 00 ·