Saturday, April 19, 2014

STF Radio International 1-Hour Million-Watt Special

STF (Super Time Force) Radio International, based in Toronto, Canada, is a narrowcasting project designed to deliver specialised content to specific audiences in remote locations. And due to the nature of shortwave, STF Radio International is inviting the world to tune in.

A series of special multimedia broadcasts will explore new possibilities with aging technology. STF Radio International will air a 1-hour programme for broadcast on 20 April 2014. Depending on audience response, there may be additional programmes throughout the year.

The content of the digital modes will include ASCII art, photos, secret information, and hyperlinks to pages on the Internet, transmitted in a challenging variety of different modulator/demodulator formats.

1-Hour Million-Watt Special
Date: 20 April 2014
Time: 04.00 to 05.00 UTC
5.050 kHz (The Americas) - Saturday Night
5.110 kHz (North & Central America) - Saturday Night 
7.490 kHz (North & Central America) - Saturday Night
7.570 kHz (North America) - Saturday Night
7.730 kHz (Mexico & Central America) - Saturday Night
9.925 kHz (North & Central America) - Saturday Night
9.955 kHz (Caribbean) - Saturday Night
6.025 kHz (EU) - Sunday Morning
17.630 kHz DRM (EU, alternate programme) - Sunday Morning
17.760 kHz (Asia) - Sunday Afternoon
21.490 kHz (Pacific Aus/NZ) - Sunday Afternoon

Catch the Music, Voice, Digital Mode Text+Images, Internet Hyperlinks…and more! Happy DXing!


The "1 Hour 1 Million Watts" broadcast for STF Radio International was received on fair to excellent on two frequencies in South East Asia: 17.760 kHz and 21.490 kHz (primary frequency used). Transmission was monitored on 20 April 2014 as advertised, but with transmitter tuning beginning as early as 03.50 UTC and transmission concluding at 05.00 UTC. Transmission began with intermittent bursts of transmitter being switched off/on. This was followed at about 04.10 UTC and onward with techno music, digitised voice announcements and digital mode (facsimile) transmission.


Transmission originated presumably from Trincomalee, Sri Lanka. Reception (SINPO) on 17.760 kHz was 35443 -- fair signal strength with fading flutter, otherwise audible signal detected; (SINPO) on 21.490 kHz was 55545 -- strong signal with slight fade.

Reception report was emailed shortly after the transmission to STF Radio International. On 25 April 2014, Jason from STF Radio International replied with this email:

 "Thank you very much for getting in touch with us. Glad to hear that you could catch the program on 2 frequencies. Also, thank you for your thorough reception report. We are happy to send you eQSL card #010 for your reports.  We will be printing real QSL cards soon, and we'll send them along to the address you provided. HERE'S a rough remix of one of the quieter tracks from the show, using recordings from 3 different transmitters and a bit of the studio version underneath. Enjoy! Thanks again for tuning in the show!"

An eQSL followed a few days later. A paper QSL card with recorded message on the cover arrived in the mail on 15 August 2014.


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