The Sounds of Radio Audio Library (Btown Monitoring Post)

The BTown and Milcom Monitoring Post Audio/Screen Capture Files.

Longwave


Japan - Time Station 40 kHz longwave. Audio link at https://instaud.io/3N5O



United States - NLK NRTF Jim Creek WA Navy Shore Station with NATO Interoperable Submarine Broadcast System - Pacific Ship/Shore Fleet Broadcast STANAG 5030 200bd/200 Hz MSK 24.8 kHz. Audio link at https://instaud.io/3OsJ.



Shortwave Utility


Cuba - Enigma HM01 Cuban Spy numbers station using RAFT digital/AM modulation. Audio link at https://instaud.io/3OLl.

Russia - Experimental Russian Diplo mode on 11154.5 kHz. It is believed that this one goes between Moscow and another embassy in Eastern Europe. It seems to be a hybrid of their OFDM and Serdolik MFSK (aka CROWD36) modems. Thanks to Mike Chace-Ortiz for the tie-up. Audio link at https://instaud.io/3OrI

Turkey - TAH Istanbul Radio Marine Coast Radio Station on 4216 kHz SITOR Idles CW call sign only ID. Audio link at https://instaud.io/3Ojk

United States - WWVH SFTS Kauai Hawaii, broadcast H+48:30 to H+51 including the new DoD military message block at H+50. Audio clip at https://instaud.io/3OKM.


Military Audio Recordings


China - Chinese PLA Air Defense Station (Enigma VC-01). Recording made on 3206 kHz at 1137 UTC. Audio link at https://instaud.io/3Q8h


Norway - LBA Stavanger Norwegian Navy STANAG-4285/600L encrypted. Audio link at https://instaud.io/3OJp



Russia - Russian Air Force Ü beacon transmitting on 8112 kHz. Audio link at https://instaud.io/3N75

Russia - The Buzzer transmitting on 4625 kHz. Audio link at https://instaud.io/3PA7



United States - NMC Pt Reyes CA Coast Guard Shore Station facsimile transmission from shore station on 8682 kHz. Audio link at https://instaud.io/3OIM and screen capture below.




United States - NPM NRTF Lualualei HI Navy Shore Station NATO-75 (RTTY) 850/75 KG-84 Crypto Stanag 4481 transmission 9075 kHz. Audio link at https://instaud.io/3OI5

US DoD EAM/SkyKing Broadcast Library


HFGCS 116c N6AJ4W EAM at 1324 UTC 2019-06-20 15016.0 kHz, Repeated (restored) at 1340 1400 1431 1500 1530 1540 1600 1700 1731 and 1739 UTC. Audio https://instaud.io/3Qah

HFGCS 52c B5Y74K EAM at 1809 UTC 2019-06-20 8992.0 kHz Audio https://instaud.io/3Qdk

HFGCS 68c B55F7I EAM at 1916 UTC 2019-06-20 8992.0 kHz Audio https://instaud.io/3Qef

HFGCS 30c OQDLA3 EAM at 1922 UTC 2019-06-20 8992.0 kHz Audio https://instaud.io/3Qem

HFGCS 120c N6CPLZ EAM at 2138 UTC 20 Jun 2019 8992 kHz Audio https://instaud.io/3QrN