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

W3MSR

Cancelled

Rosenthal, Mark S

Location: Brunswick, ME
Class: Amateur Extra
Granted: 2022-06-11
Expires: 2032-06-11
Previous call: KB3YPB
FRN: 0006938377

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Vanity availability

Available

Available now

W3MSR cleared its 2-year hold on 2024-07-14. Eligible for vanity application.

Last held by Rosenthal, Mark S (ME).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Previously held by current licensee

KB3YPBcancelled· G
Rosenthal, Mark SMDgranted 2012-04-25cancelled 2012-05-15

Prior holders later became

K1MSRactive· E
Rosenthal, Mark SMEgranted 2022-07-15

License history

0 events

No recorded events.

More vanity slots coming available

From Maine

All →

KB1ICB 2026-09-10
KB1YQF 2026-09-13
KB1YQH 2026-09-13
KC1VEC 2026-09-17
KD4TCW 2026-09-21

Starting with W3

All →

W3EFZ FL · 2026-09-09
W3IFX NY · 2026-09-10
W3AHR PA · 2026-09-20
W3YMB PA · 2026-09-21
W3TAL MD · 2026-09-28

Full history → Vanity availability → Callsign genealogy →