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

K5MST

Active

Tomasofsky, Michael S

Location: McKinney, TX
Class: Amateur Extra
Granted: 2025-03-14
Expires: 2035-03-14
Previous call: WV5MT
FRN: 0023947138

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Vanity availability

Held

Currently held

K5MST 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

WV5MTcancelled· E
Tomasofsky, Michael STXgranted 2018-07-20cancelled 2025-03-14
AF5THcancelled· E
Tomasofsky, Michael STXgranted 2014-09-17cancelled 2018-07-20

Prior holders later became

WW5Kcancelled· E
COLLIER SR, BRUCE HLAgranted 2011-02-07cancelled 2020-04-13

License history

0 events

No recorded events.

More vanity slots coming available

From Texas

All →

K2UMA 2026-09-10
K9CWO 2026-09-10
KB5SLO 2026-09-10
KD5C 2026-09-10
KD5TUE 2026-09-10

Starting with K5

All →

K5HS LA · 2026-09-13
K5SSR NM · 2026-09-13
K5DTC PR · 2026-09-14
K5MJT TX · 2026-09-14
K5QQA TX · 2026-09-16

Full history → Vanity availability → Callsign genealogy →