[MilCom] MIL: 11175.0 USB - TREEBEAM; BLUE FOX; GUNRACK; AUTOCRAT; and BEFREIND

[Jeff Haverlah]

0032z 08 Nov 25

UTC 07 Nov 25

0007z: N604MS called and raised MAINSAIL for a signal check. FAA records
indicate a C135FR; former French tanker now in civilian service.

0020z: BLUE FOX (pre0000z AMBROSIA); 5BRP6A; h+20/h+50 TACAMO PAC restoral
rebroadcast window.
0050z: BLUE FOX; 5BRP6A; restoral.
========

0102z: GUNRACK (sounds like) called MAINSAIL.

========
0123z: TREEBEAM (NCS); Z6WOUU; 35 characters; P2.
Z6WOUURWLJESICFT6RELTLLFR4U5E34IWVS

0138z: TREEBEAM; Z62XAE; 37 characters; P2.
Z62XAETWEUYOOIE7AW3T32BM4BQDOQWXACBBI

0143z: TREEBEAM; Z62XAE; echo rebroadcast; weak on SDR.

0150z: BLUE FOX called and raised MAINSAIL to exit the net.
0154z: BLUE FOX exited the net.

0202z: TREEBEAM; Z63AV7; P2.
Z63AV7Y2VBSVGFOKJSLR5VM4NVDQ6X

0206z: TREEBEAM with test count.

0235z: TREEBEAM; 5B2WVM; P1.
5B2WVMQ3ZVCCUHT7JH7REZLUZ7VGYI

0245z: TREEBEAM; 5BF6AD; P1.
5BF6AD2XPG2UKC3MAZI23L3GVRU3NS

0318z: TREEBEAM; 5BTXXT; P1.
5BTXXTV7MBBYVYAH5URYMLDL2GVOK3
========

Quiet.

========
0601z: TREEBEAM Standing by for traffic.
0636z: TREEBEAM Standing by for traffic.
0700z: TREEBEAM Standing by for traffic.
0729z: TREEBEAM Standing by for traffic; good levels UTwente SDR.
========

========
0915z: TREEBEAM; Z6TDFL; 55 characters; P2.
Z6TDFLXZW3SDIJTCGGVTCGGQSXDXISZFOOPVSUYGXDOISZFOOPVSUYV

Reformatted for apparent structure:

𝚉𝟼𝚃𝙳𝙵𝙻  [𝙿𝚛𝚎𝚊𝚖𝚋𝚕𝚎; 𝟼]
𝚇𝚉𝚆𝟹𝚂𝙳𝙸𝙹𝚃  [𝟿]
𝙲𝙶𝙶𝚅𝚃  [𝟻]
𝙲𝙶𝙶𝚀𝚂  [𝟻]
𝚇𝙳𝚇𝙸𝚂𝚉𝙵𝙾𝙾𝙿𝚅𝚂𝚄𝚈𝙶  [𝟷𝟻]
𝚇𝙳𝙾𝙸𝚂𝚉𝙵𝙾𝙾𝙿𝚅𝚂𝚄𝚈𝚅  [𝟷𝟻]

0925z: TREEBEAM; Z6TDFL; echo rebroadcast.

[0900z-1000z: 17.8 KHz (LANT) VLF FSK MSK indication on the W1VD VLF
Grabber website. Strongly suspect it was for the Z6 string.]
========

Quiet.

========
1247z: TREEBEAM; Z6MJS4; 35 characters; P2.
Z6MJS47KDCFD6YYBSXAOOD4TIP4HOABRS7M

[1250z+/-: 17.8 KHz VLF FSK MSK broadcast indicated on the W1VD website.
Assuming for the 1247z string.]

1333z: TREEBEAM; Z6BEGF; disregard.
1335z: TREEBEAM; Z6BEGF; 78 characters; P2.
Z6BEGF36QW2OKODFA5LEK3WGRHXZN2NUWBVOBEHGSCHFAEPZN2O6YOBOBEHGSCUN2O2RBOOBEHGSCW

Reformatted to captue the apparent structure of the 30 character end block:

𝚉𝟼𝙱𝙴𝙶𝙵  [𝙿𝚛𝚎𝚊𝚖𝚋𝚕𝚎; 𝟼]
𝟹𝟼𝚀𝚆𝟸𝙾𝙺𝙾𝙳𝙵𝙰𝟻𝙻𝙴𝙺𝟹𝚆𝙶𝚁𝙷𝚇𝚉𝙽𝟸𝙽𝚄𝚆𝙱𝚅𝙾𝙱𝙴𝙷𝙶𝚂𝙲𝙷𝙵𝙰𝙴𝙿𝚉
 [𝟺𝟸]
𝙽𝟸𝙾𝟼𝚈𝙾𝙱𝙾𝙱𝙴𝙷𝙶𝚂𝙲𝚄  [𝟷𝟻]
𝙽𝟸𝙾𝟸𝚁𝙱𝙾𝙾𝙱𝙴𝙷𝙶𝚂𝙲𝚆  [𝟷𝟻]
========

========
1352z: TREEBEAM; 5BJQBB; P1.
5BJQBBZQGFUHVGVPMTC2Z77DACIFQN

[1400z+/-: 17.8 KHz VLF FSK MSK broadcast indicated on the W1VD website.
Assuming it was for the 5B string.]

1413z: TREEBEAM; Z6WVJU; P2.
Z7WVJUE7ZMUXLXIAMFT7KRJWYEMETHDAUFW

1432z: TREEBEAM; Z6NMZB; 53 characters announced/59 spoken; P2.
[First reading: 59 characters]
Z6NMZBEW737VYBAO34ZRO3ILRO34LLYVJWBILUSXFYJR5LLJBEPAG
[Second reading: 53 characters; repeated EW737V gone]
[At first glance the string does not conform with previous 53 character
strings containing a clear 6/17/15/15 structure.]
========

1448z: WEST COAST with test count.

1517z: AUTOCRAT (presumed E6B worked TREEBEAM to exit the net.
1519z: AUTOCRAT exited the net.
[Was AUTOCRAT the TACAMO LANT in the above VLF activity?]

[1602z+/-: AF3FE9 E6B launched from PAX RIVER southbound to the American
southern Atlantic states and return to PAX RIVER.]

1705z: JAKE 11 called ANY STATION with no known response.

1718z: GUNRACK (presumed E6B but probably not AF3FE9 based on time
correlation while on the CHARLIE ECHO) called and raised TREEBEAM to enter
the net.
1721z: GUNRACK entered the net.

=======
1753z: TREEBEAM; 5BD666; P1.
5BD666W6ZPFVAWZD5QP2QL7HH2WAEO
========

1852z: WEST COAST with test count.

[2046z+/-: AF665A E6B launched from TINKER and spent time over the central
CONUS.]

2049z: Mic keyed 11175.
2051z: BEFREIND (presumed AF665A) called and raised TREEBEAM but did not
respond.
2055z: BEFREIND entered the net.

========
2057z: TREEBEAM; FOR CARRIER; Z6GNW2; disregard.
2059z: TREEBEAM; FOR CARRIER; Z6GNW2; P2.
Z6GNW2U6LIHTPQZTLRTHNBMOJNH32U
========

2132z: APPRAISER (presumed E6B) called and raised TREEBEAM. No further
comms heard.

2154z: BEFREIND called and raised GUNRACK and moved to the CHARLIE ECHO
WINDOW for data work.

========
2214z: TREEBEAM; FOR CARRIER; Z64KRW; P2.
Z64KRWYGPKWDAUA5IH5ZDML6T6INRX
========

========
2230z: TREEBEAM; 5BIUJZ; P1.
5BIUJZ7DUTLBOBXHIOX2BHLELGOQFC

2248z: TREEBEAM; 5BCGQK; P1.
5BCGQKVROZYRVCTBMTU6YTKOXDTJAS

2302z: TREEBEAM; R65KZW; 27 characters; P4.
R65KZWFB32EVGPWIH630OH63QKG
========

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