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Is this call sign available?
Check any AM, FM, LPFM or TV call sign against the FCC's station records: who holds it, whether it was just released, and what the FCC's call sign rules allow.
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WNWD
Available
No broadcast station in the FCC's LMS records holds WNWD. Call signs are first-come, first-served: reserve it in LMS once your station has a construction permit (47 CFR 73.3550(b)).
Why: No broadcast station holds it and no active FCC ship license uses it, and call signs are assigned first come, first served (FCC 98-324, paragraph 7; 47 CFR 73.3550(g)).
Ship licenses with this call sign
| Call sign | Type | License | Dates | Links |
|---|---|---|---|---|
| WNWD | Ship (compulsory equipped: cargo, passenger, commercial) | Canceled | granted November 16, 2005, expires November 16, 2015, canceled April 15, 2015 | FCC record |
| WNWD | Ship (compulsory equipped: cargo, passenger, commercial) | Canceled | granted October 12, 1995, expires October 12, 2005, canceled August 16, 2005 | FCC record |
- K call signs go to stations west of the Mississippi River, W call signs east (47 CFR 73.3550(e)).
- WNWD was the call sign of an FCC-licensed ship (compulsory equipped: cargo, passenger, commercial), license canceled April 15, 2015. The FCC has reassigned many lapsed ship calls to broadcast stations, but confirm in LMS before you count on it (47 CFR 73.3550(k)).
- Checked against FCC-licensed ships and shortwave stations, which the FCC's own LMS search doesn't check. Federal ships (NOAA, Military Sealift Command) get their call signs from NTIA and aren't in any FCC file, so they can't be checked here (47 CFR 73.3550(k)).
Looking for ideas? See every spare WN call sign or browse all prefixes.
FCC LMS station records as of October 16, 2026. Reserve call signs in LMS, which has the final word.
How broadcast call signs work
New AM, FM and TV call signs are four letters, starting with K west of the Mississippi River and W east of it, with -FM, -TV or -LP (LPFM) added when needed; LPTV stations use -LD and Class A TV -CD. A station asks for its call in the FCC's LMS once it has a construction permit, first come, first served.
There is no waiting period: when a station changes its call sign, the old one can be reserved by anyone as soon as the change takes effect. Stations under common control can share a base call across services (KXXX and KXXX-FM); otherwise using another station's base call in a different service needs that station's consent. FM and TV translators get call signs assigned in order (K or W, the channel, two letters) and can't pick them.
Four-letter K and W calls also go to ships, mostly large commercial ships, and a call assigned to a ship can't be used by a broadcast station. The FCC's original online call sign system warned you about ship calls; today's LMS search only checks broadcast stations and will call a ship's call "available". This check includes every FCC ship license with a four-letter call, and the FCC's list of international shortwave stations (WWCR, WRMI, KNLS and others), and warns you in amber. Federal ships (NOAA, the Military Sealift Command) get their calls from NTIA and aren't in FCC records, so confirm in LMS before you file.
Sources
- 47 CFR 73.3550: requests in LMS, K/W and the Mississippi, four letters and suffixes, shared and secondary calls, ship calls.
- 47 CFR 74.791 and 74.1283: LPTV, Class A and translator call signs.
- FCC 98-324 (1998), paragraph 16: a changed call sign is available to others once the change is effective.
- Station data: the FCC's LMS public database (facility records and call sign requests), updated every morning.
- Shortwave: the FCC's High Frequency Stations list of FCC-authorized international broadcast stations (47 CFR Part 73 Subpart F).
- Ship data: the FCC's ULS ship licenses (weekly file). Ship types per the ULS radio service codes.
Not a product of the FCC. Need a call sign reserved, or a station filed? Nexus Broadcast does FCC filings and engineering.