NS7
Appearance

NS7 (also known as NST0) is an American military shortwave radio station that broadcasts in upper sideband (USB) mode. Its transmitter is believed to be located approximately 15 miles southwest of Győr, Hungary.
Frequencies[edit | edit source]
- 5000 kHz at night (8 PM - 5 AM EST)
- 4600 kHz during the day (6 AM - 7 PM EST)
- 3950 kHz (least active)
Former frequencies: 8000 kHz, 8010 kHz, and 8300 kHz.
The station is not active 24 hours a day and is most active at night on 3950 kHz.
Messages[edit | edit source]
NS7 uses a monolith-like format. A typical transmission begins:
NS7 (operator callsign), stand by. (Message Sequence).
Callsigns[edit | edit source]
| Callsign | Date noted |
|---|---|
| CA89 | 15 May 2026 |
| NS7 | 8 August 2026 |
| RAO | 8 August 2026 |
| TZT | 19 August 2026 |
Owner[edit | edit source]
Believed to be operated by the Defense Intelligence Agency (unconfirmed) and/or the Central Intelligence Agency (partially confirmed).