[MilCom] MIL: 11175.0 USB -SOPHOMORE; ANNUALLY; TOP SONG; and ANTIDOTE

[Jeff Haverlah]

0013z 14 Sep 25

UTC 13 Sep 25

========
0022z: SOPHOMORE (NCS); WMJLI4; P2.
WMJLI4QCCNKJBKKBV7GFNPIKCLX5OL

0100z: MAINSAIL with test count.
0101z: MAINSAIL with test count.

0107z: STUDIOUS; X...disregard (old day callword).

0107z: SOPHOMORE; XTWMM4; P1.
XTWMM4H64MC343KU2UPBAUT3SSOB2E

0112z: SOPHOMORE; XTPN2I; P1.
XTPN2IXLIY4ZRQM6DFHNSSRZAOXZTR

0124z: WEST COAST with test count.
0124z: LAJES with test count.
0126z: ANDREWS with test count; very weak.

0139z: SOPHOMORE; XT4UVL; P1.
XT4UVLVT3Q4TP2WI5E2BK6JV4XQ7UO
========

Quiet.

0433z: AIRCRAFT RADIO MAINTENANCE (weak) worked MAINSAIL. AIRCRAFT RADIO
MAINTENANCE is mostly buried in SDR's noise floor and unreadable.
0434z: MAINSAIL mentioned "exiting the net at this time." "AIRCRAFT ____
something" in the noise floor. No callword discerned. MAINSAIL issued the
challenge.
0435z: MAINSAIL requests a "say again."
[Goes quiet; nothing further heard]

0528z: HICKAM with test count.
0528z: YAKOTA with test count.

Quiet.

[Another 12#3z+/- FOR traffic session over a 30 minute window, this time on
a UTC Saturday.]
========
1204z: SOPHOMORE; FOR SHEATH (sounds like maybe); WMUDJP; P2.
WMUDJPPZIXFS6YMOTJ7DHKIHLO65OP

1213z: SOPHOMORE; no FOR; WM4AMI; P2
WM4AMIGSHG4UF7WEIMRFSU4FME47QG
[Complete transmission]

1217z: SOPHOMORE; FOR SHEATH; WM4AMI; in full.

1222z: SOPHOMORE; WMN7ZL; disregard (no FOR).

1223z: SOPHOMORE; FOR SHEATH; WMN7LZ; P2.
WMN7ZLA6T3VXB6XOCAQCOIMJBITZWR

1232z: SOPHOMORE; FOR SHEATH; WMQYJG; P2.
WMQYJGYBYGLL76MHQHRMRYTUJBJIJK
========

Quiet.

########
1601z: ANNUALLY (sounds like; presumed E6B; not visible on mapping sites)
called and raised SOPHOMORE and requested to enter the net.
1605z: ANNUALLY entered the net.
1722z: ANNUALLY called and raised SOPHOMORE and requested to exit the net.
1725z: ANNUALLY exited the net.
########

[4 hour NCS event follows]
============
1836z: SOPHOMORE Standing by for traffic.
1900z: SOPHOMORE Standing by for traffic.
1929z: SOPHOMORE Standing by for traffic.

[1932z+/-: AF0930 E6B launched from TINKER and flew north
1937z: PRODUCER (suspected AF0930) called SOPHOMORE and raised MAINSAIL to
enter the net.
1941z: PRODUCER entered the net.

2000z: SOPHOMORE Standing by for traffic.

********
[TACAMO LANT restoral rebroadcast session follows. I suspect (IMO) these
sessions are separate from the active NCS event.]
2022z: SOPHOMORE; FOR PAPAS 73 (or sounds like); WMLNSN; P2.
WNLNSNBTJAW2XZSWMFVVESIFGF2LPQ
[Very weak on UTwente SDR 11175]

2025z: SOPHOMORE; FOR PAPAS 73; WMLNSN; echo or ?; good on 11175 UTwente;
in the noise floor of Montana SDR.

2029z: SOPHOMORE Standing by for traffic.

[30 minute window from 2022z broadcast.]
2052z: SOPHOMORE; XTY7V6; P1.
XTY7V6LTZWUQNREJD3Z5RXXELWDKNM
[Fed to TACAMO LANT]

2059z: SOPHOMORE Standing by for traffic.

2110z: TOP SONG (E6B; not visible on ADSB mapping sites?); XTY7V6;
h+10/h+40 TACAMO LANT restoral rebroadcast window.

[2122z+/-: 17.2 KHz (LANT) FSK MSK broadcast indicated on W1VD VLF Grabber]

2129z: SOPHOMORE Standing by for traffic.

2140z: TOP SONG; XTY7V6; restoral.

2159z: SOPHOMORE Standing by for traffic.
[Final instance of SBFT. Perhaps the follow was the "traffic?"]

2204z: SOPHOMORE; WMQDAW; 35 characters; P2.
WMQDAWOC5MLMN7E2CL6NB3JYWQAOPLN7C3O
===========

2210z: TOP SONG; XTY7VS; restoral.
2240z: TOP SONG; XTY7VS; restoral
********
[End of LANT rebroadcast session.]

[2238z+/-: ? AED556 E6B launched from TINKER northbound to OFFUTT.]
2249z: ANTIDOTE (suspected AED556) called and raised MAINSAIL to enter the
net.
2251z: ANTIDOTE entered the net.
[New day: 000539z (to the second); OFFSIDE/ANTIDOTE exited the net.]

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