Confidence: Medium · Source: FCC ULS · As of 2026-09-09

K4NSF

Expired

National Science Foundation Amateur Radio Club

Location: Arlington, VA
Granted: 2013-03-08
Expires: 2023-05-24
Previous call: KG4ZNE
FRN: 0008759003

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Vanity availability

256d

Available on 2027-05-23

K4NSF expired on 2023-05-24. Hold ends in 256 days.

Last held by National Science Foundation Amateur Radio Club (VA).

Confidence: High

Expired licenses get a 2-year FCC renewal grace period followed by the 2-year hold. The date shown accounts for both, so it's the firm release date per §97.19.

Callsign genealogy

Full chain →

Previously held by current licensee

KG4ZNEcancelled
National Science Foundation Amateur Radio ClubVAgranted 2003-04-08cancelled 2003-05-24

License history

0 events

No recorded events.

More vanity slots coming available

From Virginia

All →

KB3ZEV 2026-09-09
KK4LMC 2026-09-09
KK4LMF 2026-09-09
KK4LMX 2026-09-10
KQ4GPU 2026-09-10

Starting with K4

All →

K4HCL FL · 2026-09-09
K4CYG FL · 2026-09-10
K4LWW NC · 2026-09-10
K4ONS NC · 2026-09-10
K4YDD FL · 2026-09-10

Full history → Vanity availability → Callsign genealogy →