Re: [IRCA] 621-Tuvalu and 1440-Kiribati Sign Off Routine MP3's

[Neil Kazaross <neilkaz58@xxxxxxxxx>]

What time does 846 s/off usually? Same as 1440 I'd assume, which means no
sunrise enhancement here in the Midwest for me til summer.  73 KAZ

On Tue, Dec 26, 2017 at 5:33 AM, Gary DeBock <d1028gary@xxxxxxxxxxx> wrote:

> Here are two Pacific island sign off MP3's from the recent Kona, Hawaii
> DXpedition. Because of overwhelming Asian propagation around 1000 UTC in
> December, both of these stations usually had TP co-channels to deal with as
> they signed off (unlike in April). 621-Tuvalu started having a distorted
> audio signal on December 18th, and the problem continued until I left
> Hawaii on December 21. Their sign off routine MP3 reflects this distorted
> signal, which seemed to get progressively worse. By December 20th it was a
> fine match for the buzzing signal from its co-channel 621-Pyongyang. The
> 621-Tuvalu sign off is still around 1006 UTC, although the December
> propagation brought in QRM from China at that time. Fortunately, Tuvalu
> sends China down into the noise during the sign off routine MP3. This is
> the 621-Tuvalu sign off on December 18th
>
> https://dreamcrafts.box.com/s/msy64393v8ty1qxq6hi8kixflb32beqx
>
>
> 1440-Kiribati is parallel with the new 846-Kiribati on Christmas Island,
> although there is a 19-second time delay between the signal of 1440 and 846
> (846 programming is 19 seconds later). 846-Kiribati also has a transmitter
> issue, with the signal dropping out at irregular times. The sign off time
> of 1440-Kiribati has changed from 0936 UTC to 1006 UTC. This was the sign
> off of 1440-Kiribati on December 19th, with QRM from JOWF. There is still a
> loud 1000 Hz tone before the Kiribati power is cut, making the signal easy
> to hear through the JOWF QRM
>
> https://dreamcrafts.box.com/s/79v68rumi2mcmamxgu1vy5rwn989z4bp
>
>
> With the notable exception of the new 846-Kiribati and 1098-Marshalls, the
> Pacific island DU's generally got hammered by Asian QRM from 0800-1100 UTC
> every night, with few of them surviving the onslaught. 621-Tuvalu had three
> different Asian co-channels at times (Pyongyang, China and NHK1) while
> 1440-Kiribati was plastered by Sapporo as early as 0800. More details on
> the other Pacific island DU's will follow in a later report.
>
>
> 73 and Good DX,
>
> Gary DeBock (DXing in Kona, Hawaii at the Royal Kona Resort Motel)
>
> 7.5 inch loopstick CC Skywave Ultralight + 5 inch "Frequent Flyer" FSL
> antenna
>
> (DXing setup photo posted at https://dreamcrafts.box.com/s/
> tapsxbn6x16pm7iotmt35v115ddoh7gt )
>
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