[MilCom] MIL: 11175.0 USB -KING CRAB; GUM DROP; BACK BITE; ASSEMBLY; POST STAMP; and OVERHEAD

[Jeff Haverlah]

0334z 06 Aug 25

UTC 05 Aug 25

0005z: MAINSAIL with a test count.

0014z: KING CRAB with communications test count.
0015z: KING CRAB with communications test count.
[USSTRATCOM CP]

0026z: REACH 01858 called for a radio check and raised MAINSAIL.

0108z: MAINSAIL with a test count.

0132z: GUM DROP (NCS); WM527V; 64 characters; P2.
WM527VB5KRAXG7RSH76TSHH5TYW33DGQZG6D5XQ2OET4UOP54GS3LQ2OET4UOP5D
[Repetitive structure]

========
0148z: GUM DROP; XTRYRN; P1.
XTRYRN3HTEC7AO5IQ2RU2O6HAQYID3
[Fed to TACAMO LANT.];

0159z: BACK BITE (sounds like; E6B)75 called and worked MAINSAIL to enter
the net. 11175.0 UTwente SDR (weak/readable). MAINSAIL ID'd him as "fast
light" or sounds like.

0202z: BACK BITE entered the net.

0210z: BACK BITE; XTRYRN; h+10/h+40 TACAMO LANT restoral rebroadcast
window. 11175.0 UTwente SDR.
0240z: BACK BITE; XTRYRN; restoral; (found only on 8992.0 Pennsylvania SDR
extremely weak.)
[0230z+/-: 17.8 KHz (LANT) VLF FSK broadcast indicated on W1VD VLF Grabber
website.]
0310z: BACK BITE; XTRYRN; restoral.
0340z: Nothing heard on any SDR checked.
========

[Two hour traffic window follows.]
========
0442z: GUM DROP; XTUKSS; P1.
XTUKSSSOLQP6AR56RSDI4FPXS2RTJG

0500z: GUM DROP Standing by for traffic.

0507z: GUM DROP; XTNKG3; P1.
XTNKG3UI7TUPTCGHJNIV7QTGL643VF

0530z: GUM DROP; XTNKG3; more to follow; this is GUM DROP out (higher
precedence traffic below).

0534z: GUM DROP; XTMXZZ; P1.
XTMXZZ22BTUOGBS7WLEPBZZAMSQZ7L

0537z: GUM DROP; XTD5WR; P1.
XTD5WRD4FUXPLZPOA4BCL2ZRWS5QIU

0540z: GUM DROP; XTUKSS; suspected restoral. Higher precedence traffic
maybe (the 77 string).

0543z: GUM DROP; 77XGJ2; 27 characters; P4.
77XGJ2LYPSZO54HQ45FUDKYNXTS

0546z: GUM DROP  Standing by for traffic.

0554z: GUM DROP; 77XGJ2; echo rebroadcast; 11175.0 UTwente SDR; weak.

0600z: GUM DROP; XTD5WR; out; restoral.

0602z: GUM DROP; XTN2O2; P1.
XTN2O2UHBVS44VPJ4OEFOT6LQFOMVW

0604z: GUM DROP; XTI7ZE; P1.
XTI7ZECGZETIXB5QYWAZILTA4THVWX

0606z: GUM DROP; XTMXZZ; XTNKG3; restoral.

0611z: GUM DROP Standing by for traffic.

0623z: GUM DROP; XT3EC7; P1.
XT3EC77LWLJ6HER72BBD4J445FHLVQ

0629z: GUM DROP; XT3EC7; XTI7ZE; XTN202; restoral.
========

0635z: BACK BITE called GUM DROP during GUM DROP's restoral to exit the net
in the blind but disregarded (maybe because the frequency was covered with
the restoral.)

0638z: As soon as GUM DROP finished his last string BACK BITE popped back
up to finish his exiting the net in the blind but GUM DROP began his
"Standing by for traffic" over him. GUM DROP exited the net in the blind at
0638z, "authentication SE" and out under GUM DROP.
[BACK BITE, TACAMO LANT, was not visible on ADSB mapping sites.]

0700z: Nothing heard.

Quiet.

1305z: GUM DROP with test count.
1311z: DIEGO (maybe; in the noise floor) with test count.
1354z: MAINSAIL with test count.

[1502z: ? AF09B5 E6B launched from TINKER and took a slightly indirect
flight to the Gulf.]

1513z: MAINSAIL with test count.
1514z: MAINSAIL with test count.
1516z: MAINSAIL with test count.

1526z: ASSEMBLY (presumed AF095B; presumed ABNCP mission) called GUM DROP.
1527z: ASSEMBLY called and raised GUM DROP to enter the net.
1529z: ASSEMBLY entered the net.

[Gulf reservation NOTAM 1701Z - 2201z.]

1757z: ASSEMBLY; XTXFCW; P1; preceding NCS; very weak on SDR.
XTXFCWEERUPORWCFWNZOVGNREDVRYI

1759z: GUM DROP; XTXFCW.

1802z+/-: ASSEMBLY; XTXFCW; weak; buried under ASSEMBLY broadcast; probable
h+00/h+30 ABNCP/Gulf restoral rebroadcast window.]

1802z: GUM DROP; XTXFCW; echo rebroadcast; very weak on SDR.

[1806z+/-: ? AE3342 E6B launched from TINKER and flew to the Gulf; 2nd Gulf
bird of the local afternoon.]

[1807z+/-: ? AF3BBC E6B launched from PETERSON SPACE FORCE BASE, Colorado
Springs and flew westbound; yesterday's AEFC4D out of TRAVIS RON Colorado
Springs.]

1820z: POST STAMP (presumed AF3BBC; maybe) called GUM DROP.
1821z: POST STAMP called and raised MAINSAIL and requested to enter the net.
1825z: POST STAMP entered the net.

1830z: ASSEMBLY; XTXFCW; restoral.
1900z: ASSEMBLY; XTXFCW; restoral.
1930z: ASSEMBLY; XTXFCW; restoral.

========
1932z: GUM DROP; XTZA2W; P1.
XTZA2WWKNIZ2RHFAX5EWL7L7UX4WVE
[It began immediately after the end of the ASSEMBLY broadcast.]
[Fed to second Gulf E6B.]

[1944z+/-: 22.7 KHz (Gulf) VLF broadcast per SDR and W1VD VLF Grabber.]

1952z: CONVOY 3148 called MAINSAIL with no known response.

2001z: OVERHEAD (presumed AE3342); XTZA2W; Gulf restoral.

2012z: ASSEMBLY called and raised GUM DROP to exit the net.
2017z: ASSEMBLY exited the net. Approaching TINKER at that time.

2030z: OVERHEAD; XTZA2W; restoral.
2100z: OVERHEAD; XTZA2W; restoral.
2130z: OVERHEAD; XTZA2W; restoral.
========

2230z: GUM DROP Standing by for traffic.
2300z: GUM DROP Standing by for traffic.
2331z: GUM DROP Standing by for traffic.

========
1806z+/- ASSEMBLY 27.2 KHz FSK transcript (missed the OVERHEAD transcript):

𝙱𝙴𝚁 𝚁𝙾𝙼𝙴𝙾
𝙴𝙲𝙷𝙾 𝙳𝙴𝙻𝚃𝙰
𝚅𝙸𝙲𝚃 𝚁 𝚁𝙾𝙼𝙴𝙾
𝚈𝙰𝙽𝙺𝙴𝙴 𝙸𝙽𝙳𝙸𝙰
𝙱𝚃
𝙽𝙽𝙽
𝙽𝙽𝙽
𝙽𝙽𝙽𝙽𝙺𝙺𝙺𝙺𝙺𝙺𝚉𝙲𝚉𝙲𝚉𝙲𝚉𝚇𝙻𝙻𝚇𝙻𝙻𝚇𝙻𝙻
𝙴𝚉
𝙱𝚃
𝚇𝚁𝙰𝚈 𝚃𝙰𝙽𝙶𝙾
𝚇𝚁𝙰𝚈 𝙵𝙾𝚇𝚃𝚁𝙾𝚉
𝙲𝙷𝙰𝚁𝙻𝙸𝙴 𝚆𝙷𝙸𝚂𝙺𝙴𝚈
𝙴𝙲𝙷𝙾 𝙴𝙲𝙷𝙾
𝚁𝙾𝙼𝙴𝙾 𝚄𝙽𝙸𝙵𝙾𝚁𝙼
𝙿𝙰𝙿𝙰 𝙾𝚂𝙲𝙰𝚁
𝚁𝙾𝙼𝙴𝙾 𝚆𝙷𝙸𝚂𝙺𝙴𝚈
𝙲𝙷𝙰𝚁𝙻𝙸𝙴 𝙿𝙰𝙿𝙰
𝚆𝙷𝙸𝚂𝙺𝙴𝚈 𝙽𝙾𝚅𝙴𝙼𝙱𝙴𝚁
𝙻𝚉𝚄𝙻𝚄 𝙾𝚂𝙲𝙰𝚁
𝚅𝙸𝙲𝚃𝙾𝚁 𝙶𝙾𝙻𝙵
𝙽𝙾𝚅𝙴𝙼𝙱𝙴𝚁 𝚁𝙾𝙼𝙴𝙾
𝙴𝚁𝙷𝙾 𝙳𝙴𝙻𝚃𝙰
𝚅𝙸𝙲𝚃𝙾𝚁 𝚁𝙾𝙼𝙴𝙾𝚅
𝚈𝙰𝙽𝙺𝙴𝙴 𝙸𝙽𝙳𝙸𝙰
𝙱𝚃
𝙽𝙽𝙽
𝙽𝙽𝙽
𝙽𝙽𝙽𝙽𝙺𝙺𝙺𝙺𝙺𝙺𝚉𝙲𝚉𝙲𝚉𝙲𝚉𝚇𝙻𝙻𝚇𝙻𝙻𝚇𝙻𝙻
𝙴𝚉
𝙱 𝙰𝙽𝙶𝙾
𝚇𝚁𝙰𝚈 𝙵𝙾𝚇𝚃𝚁𝙾𝚃
𝙲𝙷𝙰𝚁𝙻𝙸𝙴 𝚆𝙷𝙸𝚂𝙺𝙴𝚈
𝙴𝙲𝙷𝙾 𝙴𝙲𝙷𝙾
 𝙴𝙾 𝚄𝙽𝙸𝙵𝙾𝚁𝙼
𝚅𝙰𝙿𝙰 𝙾𝚂𝙲𝙰𝚁
𝚁𝙾𝙼𝙴𝙾 𝚆𝙷𝙸𝚂𝙺𝙴𝚈
𝙲𝙷𝚄𝚁𝙻𝙸𝙴 𝙿𝙰𝙿𝙰
𝚆𝙷𝙸𝚂𝙺𝙴𝚈 𝙽𝙾𝚅𝙴𝙼𝙱𝙴𝚁
𝚉𝚄𝙻𝚄 𝙾𝚂𝙲𝙰𝚁
𝚅𝙸𝙲𝚃𝙾𝚁 𝙶𝙾𝙻𝙵
𝙽𝙾𝚅𝙴𝙼𝙱𝙴𝚁 𝚁𝙾𝙼𝙴𝙾
𝙴𝙲𝙷𝙾 𝙳𝙴𝙻𝚃𝙰
𝚅𝙸𝙲𝚃𝙾𝚁 𝚁𝙾𝙼𝙴𝙾
𝚈𝙰𝙽𝙺𝙴𝙴 𝙸𝙽𝙳𝙸𝙰
𝙱𝚃
𝙽𝙽𝙽
𝙽𝙽𝙽
𝙽𝙽𝙽𝙽𝙺𝙺𝙺𝙺𝙺𝙺𝚉𝙲𝚉𝙲𝚉𝙲𝚉𝚇𝙻𝙻𝚇𝙻𝙻𝚇𝙻𝙻
𝚉𝚉
𝙱𝚃
𝚇𝚁𝙰𝚈𝙼𝚃𝙰𝙽𝙻
𝚇𝚁𝙰𝚈 𝙵𝙾𝚇𝚃𝚁𝙼𝚃
𝙲𝙷𝙰𝚁𝚃𝙸𝙴 𝚆𝙷𝙸𝚂𝙺𝙴𝚈
𝙴𝙲𝙷𝙾 𝙴𝙲𝙷𝙾
𝚁𝙾𝙼𝙴𝙾 𝚄𝙽𝙸𝙵𝙾𝚁𝙼
𝙿𝙰𝙿𝙰 𝙾𝚂𝙲𝙰𝚁
𝚁𝙾𝙼𝙴𝙾 𝚆𝙷𝙸𝚂𝙺𝙴𝚈
𝙲𝙷𝙰𝚁𝙻𝙸𝙴 𝙿𝙰𝙿𝙹
𝚆𝙷𝙸𝚂𝙺𝙴𝚈 𝙽𝙾𝚅𝙴𝙼𝙱𝙴𝚁
𝚉𝚄𝙻𝚄 𝙾𝚂𝙲𝙰𝚁
𝚅𝙸𝙲𝚃𝙾𝚁 𝙶𝙾𝙻𝙵
𝙽𝙾𝚅𝙴𝙼𝙱𝙴𝚁 𝚁𝙾𝙼𝙴𝙾
𝙸𝙴𝙲𝙷𝙾 𝙳𝙴𝙻𝚃𝙰
𝚅𝙸𝙲𝚃𝙾𝚁 𝚁𝙾𝙼𝙴𝙾
𝚈𝙰𝙽𝙺𝙴𝙴 𝙸𝙽𝙳𝙸𝙰
𝙱𝚃
𝙽𝙽𝙽
𝙽𝙽𝙽
𝙽𝙽𝙽𝙽𝙺𝙺𝙺𝙺𝙺𝙺𝚉𝙲𝚉𝙲𝚉𝙲𝚉𝚇𝙻𝙻𝚇𝙻𝙻𝚇𝙻𝙻
𝙻𝚉
𝙱𝚃
𝚇 𝙰𝚈𝚂𝚃𝙰𝙽𝙶𝙾
𝚇𝚁𝙰𝚈 𝙵𝙾𝚇𝚃𝚁𝙾𝚃
𝙲𝙷𝙰𝚁𝙻𝙸𝙴 𝚆𝙷𝙸𝚂𝙺𝙴𝚈
𝙴𝙲𝙷𝙾 𝙴𝙲𝙷𝙾
𝚁𝙾𝙼𝙴𝙾 𝚄𝙽𝙸𝙵𝙾𝚁𝙼
𝙿𝙰𝙿𝙰 𝙾𝚂𝙲𝙰𝚁
𝚁𝙾𝙼𝙴𝙾 𝚆𝙷𝙸𝙴𝙺𝙴𝚈𝚀
𝙲𝙷𝙰𝚁𝙻𝙸𝙴 𝙿𝙰𝙿𝙰
𝚆𝙷𝙸𝚂𝙺𝙴𝚈 𝙽𝙾𝚅𝙴𝙼𝙱𝙴𝚁
𝚉𝚄𝙻
𝚂𝙲𝙰𝚁
𝚅𝙸𝙲𝚃𝙾𝚁 𝙶𝙾𝙻𝙵
𝙽𝙾𝚅𝙴𝙼𝙱𝙴𝚁 𝚁𝙾𝙼𝙴𝙾
𝙴𝙲𝙷𝙾 𝙳𝙴𝙻𝚃𝙰
𝚅𝙸𝙲𝚃𝙾𝚁 𝚁𝙼𝙼𝙴𝙾𝙺
𝚈𝙰𝙽𝙺𝙴𝙴 𝙸𝙽𝙳𝙸𝙰
𝙱𝚃
𝙽𝙽𝙽
𝙽𝙽𝙽
𝙽𝙽𝙽𝙽 𝙲𝙷𝙰𝙽𝙽𝙴𝙻 𝙾𝙽𝙴
 𝙲𝙷𝙰𝙽𝙽𝙴𝙻 𝙾𝙽𝙴
 𝙲𝙷𝙰𝙽𝙽𝙴𝙻 𝙾𝙽𝙴
 𝙲𝙷𝙰𝙽𝙽𝙴𝙻 𝙾𝙽𝙴
 𝙲𝙷𝙰𝙽𝙽𝙴𝙻 𝙾𝙽𝙴
 𝙲𝙷𝙰𝙲𝙽𝙴𝙻 𝙾𝙽𝙴
 𝙲𝙷𝙹𝙽𝙽𝙴𝙻 𝙾𝙴𝙳𝚇 𝙲 𝚄 𝚃 𝙶𝙻 𝚂𝚉𝚁 𝚅𝙷𝚆  𝚀𝙽𝙳  𝚄𝚃 ;?. 𝚅
-------------------------------------------------------------------------
Jeff Haverlah               Coastal Texas
     Airspy HF+ Discovery   W6LVP loop  Various web SDRs
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