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

W0MSW

Active

waller, Martin S

Location: Maryland Heights, MO
Class: Technician
Granted: 2018-07-24
Expires: 2028-07-24
Previous call: KE0SMD
FRN: 0027675842

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Vanity availability

Held

Currently held

W0MSW 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

KE0SMDcancelled· T
Waller, Martin SMOgranted 2018-07-05cancelled 2018-07-24

License history

0 events

No recorded events.

More vanity slots coming available

From Missouri

All →

KD0TBI 2026-09-11
KD0TBJ 2026-09-11
KD0TBK 2026-09-11
KD0TBL 2026-09-11
KD0TBM 2026-09-11

Starting with W0

All →

W0RMH CO · 2026-09-09
W0GAB MO · 2026-09-16
W0SCL CO · 2026-09-17
W0DMY KS · 2026-09-20
W0CVF CO · 2026-09-23

Full history → Vanity availability → Callsign genealogy →