[MilCom] MIL: 11175.0 USB - CAPE RADIO; BIG CASE; and SATURDAY

Jeff Haverlah jehaverlah at gmail.com
Wed Sep 30 20:19:41 EDT 2026


0016z  01 Oct 26

UTC 30 Sep 26

P1: 56

Quiet UTC day.

1209z: MAINSAIL with test count.

1210z: CAPE RADIO "on number one" (2tone data burst at key up) with a test
broadcast that raised MAINSAIL for an exchange of signal checks.

1218z: CAPE RADIO (maybe 2 of them) with check and a brief count.

Quiet.

1806z: OLIVE 31 called and worked MAINSAIL (unheard) for a signal check.
[2103z+/-: OLIVE 31 launched from OFFUTT northeast bound on a great circle
path.]

1850z: DOOM 72 called MUDBUG.

[10 minute message traffic window.]
========
1952z: BIG CASE (NCS); 56WECH; P1.
56WECHJV2LZDLS3PW5FJSXZTEZ57I2

2000z: BIG CASE; 56LKR2; P1.
56LKR2H6CUCVLG6VHS3EQITCH2VXLQ

2002z: BIG CASE; 56ZOJY; P1.
56ZOJYO6I5GVQ2OFVOKSV7XX5NKV6E
========

2124z: SATURDAY (presumed E6B; time correlation is awkward if it is AE0418)
called BIG CASE.
2125z: SATURDAY called MAINSAIL.

[2127z+/-: AE0418 static hex E6B launched from TINKER east and southeast
bound to the ALEXANDRIA, LOUISIANA area and entered into a holding patter
orbit (perhaps for refueling) by the end of the UTC day.]

2128z: SATURDAY called BIG CASE.

2136z: DOOM 73 called MAINSAIL.

========
2137z: BIG CASE (sounding like BIG CAGE); 56WJ33; P1.
56WJ3332OKSSCHDFUU4BSS3TV6SCKE
========

Quiet through 2359z.

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