[MilCom] MIL: 11175.0 USB - QUADRANT; BILLBOARD; SILICATE; and LION HUNT

[Jeff Haverlah]

0009z  01 Aug 26i

UTC 31 Jul 26

0015z: QUADRANT with communications test count.
[USSTRATCOM CP]

0051z: SILICATE (suspected AEF82A; or ??; female operator) worked MAINSAIL
with challenge process on and off through at least 0105z. Mostly
unheard/unreadable in the noise floor of the UTwente SDR on 11175.0

0205z: LION HUNT (presumed pre0000z CANFIELD) called and worked BILLBOARD
(NCS) to exit the net.
0210z: LION HUNT exited the net while approaching TRAVIS. Strong level on a
BAY AREA, CALIFORNIA SDR. He was at good/fair levels on east coast SDRs.

[2.5 hour+/- message traffic window.]
========
1203z: BILLBOARD; FOR MILK BUCKET; GPMLEW; P2.
GPMLEWITLDATWUFMECVPUSRVKV3TOG

1223z: BILLBOARD; FOR MILK BUCKET; GPNRSE; P2.
GPNRSEITJVVMJQKQN4GIMLKSPPKCCQ

1243z: Nothing heard.

1302z: BILLBOARD; FOR MILK BUCKET; GPBYRL; P2.
GPBYRLVTYNZ7SYTE3Z2H?BJGXFUSHD (low confidence).

1322z: BILLBOARD; FOR MILK BUCKET; GPJN4A; P2.
GPJN4AF22FY6ATMV6LNKPK3ULO6FB4

[1341z+/-: AE36C6 E6B launched from OFFUTT and flew to the missile fields
in western NEBRASKA before eventually returning to OFFUTT.]

1342z: BILLBOARD; FOR MILK BUCKET; GPQH2F; P2.
GPQH2F43CBUMK2EUECETBCBCVM4L4U

1402z: BILLBOARD; FOR MILK BUCKET; GPAJZF; P2.
GPAJZFTLFO26B6242FAWQADYXQE4KO

[1408z+/-: AF3FC6 E6B launched from ALBUQUERQUE/KIRTLAND, NEW MEXICO and
flew north to west of OFFUTT and entered a 2 hour racetrack orbit; leaving
the orbit to fly to western NEBRASKA (near the fields); and then southbound.

1423z: BILLBOARD; FOR MILK BUCKET; GPMAAL; P2.
GPMAAL7X6RQQR65EZ3A2TU73ZDMWCU
1442z: Nothing heard.
========

1635z: SILICATE (presumed E6B) called and raised BILLBOARD to enter the net.
1639z: SILICATE entered the net.

[One hour message traffic window.]
========
1700z: BILLBOARD Standing by for traffic.

1718z: BILLBOARD; NBXX6X; 42 characters; P4; change of prefix (20 days).
NBXX6XOXSS5EIZZRPIMH2WHTFZWHSC2WHTD2WHB4MH

Reformatted for structure:

𝙽𝙱𝚇𝚇𝟼𝚇  [𝙿𝚛𝚎𝚏𝚒𝚡; 𝟼]
𝙾𝚇𝚂𝚂𝟻𝙴𝙸𝚉𝚉  [𝟿]
𝚁𝙿𝙸𝙼𝙷  [𝟻]
𝟸𝚆𝙷𝚃𝙵  [𝟻]
𝟸𝚆𝙷𝚂𝙲  [𝟻]
𝟸𝚆𝙷𝚃𝙳  [𝟻]
𝟸𝚆𝙷𝙱𝟺𝙼𝙷  [𝟽]

[1723z+/-: AE46F8 launched from TINKER northwest bound to western NEBRASKA;
then southeast to central KANSAS and entered a 3 hour racetrack orbit;
leaving the orbit after 2300z and returned to TINKER.]

[Another example of an extremely rare character count in this series making
another appearance this year. Last example was 04 May 26.]
1733z: BILLBOARD; GPCEJ7; 45 characters; P2.
GPCEJ7BWLGETSLHQCCZVLVJ3VLVH7EPGNBCGNLPRKS7YS

https://neetintel.github.io/structure_heatmap_45char.html

1737z: BILLBOARD; GPTUOH; 40 characters; P2.
GPTUOHHPMPV7U4JZBQJ2ZBP2LPIBZ6QIOKBSTZJR
[Conforms: 16/17 = 21/22]

https://neetintel.github.io/structure_heatmap_40char.html

1741z: BILLBOARD; GPLHPG; 35 characters; P2.
GPLHPGAXI7C6ZUXVPRM2UQAOFVTLUIZBF6L

1744z: BILLBOARD Standing by for traffic.
========

Quiet through 2359z.

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