[MilCom] MIL: 11175.0 USB ABUNDANT; HELLFIRE; and NIGHTFALL

[Jeff Haverlah]

UTC 13 Dec 25

========
0018z: ABUNDANT (NCS); SXMQRE; P1.
SXMQRE4NYAAU4CPFPLABDUCWVLW7YJ
[Fed to TACAMO LANT. Second string of their duty day.]

[0018z+/-: 17.8 KHz (LANT) VLF FSK MSK broadcast indicated on the W1VD VLF
Grabber website.]

0020z: HELLFIRE (pre 0000z NIGHTLONG); SXHEU7; h+20/h+50 TACAMO PAC
restoral rebroadcast window.

0040z: NIGHTFALL (pre 0000z FORTNIGHT); SXMQRE; h+10/h+40 TACAMO LANT
restoral rebroadcast window.

0050z: HELLFIRE; SXHEU7; restoral.
[Last of its restoral session.]

0110z: NIGHTFALL; SXMQRE; restoral.

0140z: NIGHTFALL; disregard for unknown reason.
0141z: NIGHTFALL; SXMQRE; restoral; over the Atlantic coast at that time.
========

Quiet.

[Very busy 4 hour middle of the CONUS night NCS message traffic window.]
========
0338z: ABUNDANT; AKVZJK; 22 characters; P4.
AKVZJKUMBEWBC5B5JTUDL3

[Sequential (back to back) 3 minute cycle; 2 strings]
********
0416z: ABUNDANT; SXO7Q5; P1.
SXO7Q5HZSO6YDK6J5L4OBYXEON7HZ4

0419z: ABUNDANT; SXLDSA; P1.
SXLDSA3NPVH25LQMZD4NZ7UZ2OXRZK
********

0428z: ABUNDANT; SXLDSA; SXO7Q5; h+00/h+30 NCS/ABNCP/Gulf restoral
rebroadcast window.

0433z: ABUNDANT Standing by for traffic.

0437z: ABUNDANT; SXEXLL; P1.
SXEXLLVIZ7VRRI2LAWN2M26GRNBWPD

0452z: ABUNDANT; SXHVIP; P1.
SXHVIP3QNTGXUB7F3QHX6J5XTHAYZW

0500z: ABUNDANT; SXHVIP; SXEXLL; SXLDSA; restoral.

0506z: ABUNDANT; SX37NN; P1. (taking priority over what follows)
SX37NNILBYFSEWJPIF4EPJ5IGWI6LV

0508z: ABUNDANT Standing by for traffic.

0532z: ABUNDANT: SX37NN; SXHVIP; SXEXLL; restoral.
[No Standing by for traffic logged.]
0600z: ABUNDANT; SX37NN; SXHVIP; SXEXLL; restoral

0606z: ABUNDANT Standing by for traffic
[Subtle message traffic pattern change. Traffic "surge" without restoral
activity, as if it were the finale of a fireworks display.]

[Sequential 3 minute cycle; 2 strings]
********
0612z: ABUNDANT; SXLWUH; P1.
SXLWUHZUTQ6B22ZKEZ2AY3BMLCWRH6

0615z: ABUNDANT; SXIGZY; P1.
SXIGZYKGO5Q7NUSZDD2FZJEH4YWGGT
********

0621z: ABUNDANT; SXYPEW; P1.
SXYPEW43AUDJUGGLRNOYJK732TVBDR

[Sequential 3 minute cycle+/-; 4 strings]
********
0643z: ABUNDANT; SXBUGM; P1.
SXBUGMZEXENPN2GGLNHCLSYWXZVBUG

0646z: ABUNDANT; SXRUKA; P1.
SXRUKADHM22FDA333P4KUR6XMJAKPI

0648z: ABUNDANT; SXYNOR; P1.
SXYNORZWPR54PTRD3YUAVSXEDFRZAL

0651z: ABUNDANT; SX6VPL; P1.
SX6VPLTK3RLFRTV5ZKSGIBDJ3YIDTB
********
[End of "event."]
========

Quiet.

0715z: SIGONELLA with test count.
1358z: SIGONELLA with test count.

1530z: UNITED STATES COAST GUARD COMMUNICATIONS COMMAND to ALL STATIONS
(X3); "National Weather Service Marine Forecast"; automated voice broadcast
through 1554z. 11175.0. Good levels on CONUS west coast SDRs; heard on SDRs
in Hawaii, Japan and Europe (UTwente); very weak levels (not visible on
waterfall) on Gulf coast SDR; unheard on Ohio Valley and eastern CONUS SDRs.

[1756z+/-: AEE4E4 E6B launched from TRAVIS northbound for a grand tour of
the CONUS northwest, with some time apparently spent over Wyoming. No
backend callword logged.]

1809z: SIGONELLA with test count.

Quiet.

Jeff
-------------------------------------------------------------------------
Jeff Haverlah               Coastal Texas
     Airspy HF+ Discovery   W6LVP loop  Various web SDRs
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