WinXP shutdown sound after an E25a transmission on 9450 kHz

Today there was a transmission on 9450 kHz at 1313z. The strange thing was, while being an E25a transmission (which means no message body), the YL said "Message" three times, and continued to call "785 46". Usually, a runaway "Message" can be heard during E25a messages but in the end of the transmission. After calling "785 46" a couple of times, the YL said "Message" twice, and the WinXP shutdown sound was heard.

Here is the recording of the full transmission.

E25 transmissions today on 9450 kHz

This day we had three E25 transmissions, all on 9450 kHz.

Here are the message details and recordings:

1st transmission:
1219 UTC Carrier in progress
1228 UTC The song "Arouh Le Min" from Umm Kulthum was heard
1230 UTC Th YL started calling "555", with irregular spaces between numbers, sometimes the numbers are not "spoken" as a whole.

1232 UTC "Message" x3
9104 6031 8741 0413 3253 8882 6157 7803 8487 0312
8828 2497 8741

1235 UTC "Rebeat" x3
1237 UTC "End of message, end of transmission"

Recording (note, I accidentally switched to USB)

2nd transmission:
1242 UTC Carrier
1244 UTC YL calling "440"
1245 UTC "Message" x3
8237 4031 4710 2377 1161 8115 5905 2141 0105 3069
1730 7939 4710

1248 UTC Pause till 1249 UTC, then "Rebeat" x3
1252 UTC Ended with "EOM" only, carrier QRT at 1308 UTC

Recording

3rd transmission:
1342 UTC Music, "Arouh Le Min"
1345 UTC YL calling "227 17, 220 18 19 20, 222" irregular spaces between numbers
1350 UTC "222" repeated, then "Message" x3
5279 4411 0810 5897 2744 2999 2440 4217 0585 4482
0810

Recording

Note that during the third transmission, a BC station was on the same frequency, but here in my QTH, E25 is much stronger (+20dB or +30dB, while the BC station peaks S7)

Hooray! A new edition of rfax.pdf from NOAA!

I just noticed the existence of a newer edition (9 Feb 2011) of NOAA's HF fax guide. Because it took me ages to download it from their site, here is a copy of it!

E25 today on 9450 kHz

Hello,

This is the 1230 UTC E25 transmission on 9450 kHz recorded in AM mode. The young lady has a variable rhythm. I suspect that the operators switched to Windows XP since there are reports of that particular OS sounds accidentally escaping to the airwaves. This may be the reason for the varying speech speed.

Nowadays there are more reports of E25 on 9450 kHz probably due to the improving HF conditions.

Enjoy!

An interesting E25 transmision with an exciting ending

And another surprise from E25!

The transmission began at 1214z on 9450 kHz, with the song "Inte Omri". Then at 1217z, the mechanical young lady, in a faster-than-usual pace, was calling "830 3 835". Then a message to 835 followed:

830 3 835

835 (repeated)

"Message" x3

1020 5555 x19 (an unusual message)

"Repeat"x3 (fast)

"End of message, end of transmission"

Note that the pace was a bit faster, the gaps between phrases/numbers were a bit irregular and the endings of the number "five" were more abrupt than usual.

At 1226z the message ended with the usual "EOM EOT" and then...the Windows XP shutdown sound followed! (And not Windows 98!) After this little surprise, the transmission ended.

Here is (nearly) the whole transmission (A part is missing from the beginning). The "rattling" sound is the digital station who usually interferes E25 when I use AM mode.

So E25 operators upgraded their OS? But yet, the quality of the transmission wasn't as good as expected!

The Buzzer sounds a bit different this evening

The Buzzer (S28) sounds a bit different today, having a higher pitch. This is a recording made today at 1909z, on 4625 kHz, with the receiver in AM mode.

Early E25a on 9450kHz

The YL appeared an hour earlier, at 1115z (it is expected to transmit at 1200z-1400z during winter time) on 9450 kHz, with the E25a message "317 3". A carrier was present since at least 1056z, and had a brief break at 1110z. The transmitter QRT after the end of the message, which ended without "End of message, end of transmission".

Recording.