Sign up

Stockholmradio HF services are available for any subscribed customer registered with us - no formal contract or agreement is required. (Of course, if you need to have a signed contract, this can be arranged on request).

  1. Download and read: General terms and Conditions
  2. Complete the Application form below.
  3. We process your application and create an account for you.
  4. We send you an invoice for activation - 500 EURO. Note: your account will be activated when the activation fee is received. (See also Fees)
  5. When you have paid the activation fee, we will open your account (you will be notified by email when your account is open).

If you have any questions, you are most welcome to contact us.

Stockholmradio Application form

Name of Company *
Company's ICAO Telephony Call sign
3-letter identifier (ICAO)
2-letter identifier (IATA)
Base (city-country)
Webpage address
Invoice (PDF) Email
Invoice by *
Invoice Postal Address *
Other address for administrative correspondence *
Primary point of Contact for administrative purposes (Manager/Director etc).
Flight Operations/Dispatch Accounts/Finance
Name *
Name *
Title or Department *
Title or Department *
Phone *
Phone *
Email *
Email *
Standard recipients of relayed Air-to-Ground messages.
Email Ops



Primary communication
Enter the phone numbers you would like pre-stored for operational Air-to-Ground phone-patches. Include country-number (Ex: +46 123 123456). (Note: Only direct numbers can be stored).


Other (please specify)

Do you have an account with MedLink by Medaire?
Total number of aircraft in your fleet that are HF radio equipped. *
HF-equipped aircraft, authorized to use StockholmRadio HF Services - (transactions to be charged to your account).
N.B. If aircraft sales/transfers are made without notifying us, our records will naturally not be updated. In such case Stockholmradio shall not be held liable for incorrectly invoiced transactions based on aircraft no longer under your ownership/operation.
Aircraft Reg


Type (B747, MD11)

Additional comments
Your Name *
Phone *
Email *

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 ·