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

NS4TT

Active

KRACK, FREDERICK A

Location: ROANOKE, VA
Class: Amateur Extra
Granted: 2025-01-16
Expires: 2035-03-17
Previous call: K4HVB
FRN: 0003571544

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Vanity availability

Held

Currently held

NS4TT is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

K4HVBcancelled· E
KRACK, FREDERICK AVAgranted 2009-04-07cancelled 2015-03-17
N2CNYactive
Central New York Amateur Radio ClubNYgranted 2018-03-14
KC2TFRcancelled
Central New York Amateur Radio AssociationNYgranted 2008-04-15cancelled 2008-05-31

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 NS4

All →

NS4SS FL · 2027-05-06

Full history → Vanity availability → Callsign genealogy →