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

K4HMF

Active

ARMSTEAD, GEOFFREY

Location: CLARKSVILLE, TN
Class: General
Granted: 2018-04-03
Expires: 2028-04-03
Previous call: KK4DWU
FRN: 0021113196

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Vanity availability

Held

Currently held

K4HMF 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

KK4DWUcancelled· G
ARMSTEAD, GEOFFREYTNgranted 2011-08-25cancelled 2018-04-03

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 →