G'day All,
As most of you know before each S2H race yachts must perform prerace HF radio checks outlined via Race Notice to Competitors 3. This was performed during Dec 14th - 20th 2014. The Radio checks were performed on 6516khz were the Yachts attempt to successfully reach Newcastle Marine. This occurs during daytime 8:00 til 19:00 AEDT which means I barely can hear the traffic here in Brisbane Queensland. I did record all traffic on 6516khz on Dec 14th to see if I could get anything, and I was able to hear some traffic but very faint towards end of the day.
However interestingly this year while monitoring the S2H Web Site race documentation I saw Notice to Competitors 4 requesting all yachts to perform radio checks with Charleville Radio via 6215 khz 24hr and from there they will be directed to then test 4483 and 6516 khz. This is to occur 24hrs between 19 Dec 2014 until 22 Dec 2014.
I started monitoring the HF Comms since 1430 AEDT Dec 20th 2014 and around 1800 AEDT started getting some good signals.
While monitoring it was interesting to hear the frustration on Charleville's end with them encountering "severe interference" on 6516khz which has plagued me since I started covering / broadcasting the S2H Yacht Race HF Comms over the last 8 years. There is a Asian Shortwave station that broadcasts on 6518khz which is only 2khz up from the primary S2H Yacht Race Frequency and from about 1700 AEDT until 0630 AEDT the channel has significant interference which even the best notch filter etc can not remove. Yachts were not able to complete testing of the 6516 frequency with Charleville radio.
I've extracted a fair few Yacht PreRace HF Comms tests with Charleville Radio but only for 6215 khz which is good enough to let you hear them. Over the next few days I'll monitoring and extract any worth while sample and add them to the folder below:
MP3 Sample of HF Comms between Yachts Charleville Radio.
Let me know what you think via twitter @OziDrifter :)
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Heres my little Listening Post at Brisbane
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