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

K4ISA

Active

BROWNE, TIMOTHY E

Location: GAINESBORO, TN
Class: General
Granted: 2019-06-07
Expires: 2029-06-07
Previous call: KN4UMO
FRN: 0028487189

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Vanity availability

Held

Currently held

K4ISA 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

KN4UMOcancelled· T
BROWNE, TIMOTHY ETNgranted 2019-05-13cancelled 2019-06-07

License history

0 events

No recorded events.

More vanity slots coming available

From Tennessee

All →

KG4TWC 2026-09-10
KK4LNE 2026-09-10
KK4LNK 2026-09-10
KQ4TPH 2026-09-10
KQ4UUA 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 →