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

WA4MA

Active

Armbrust, Mary M

Location: Stuart, FL
Class: Amateur Extra
Granted: 2017-02-10
Expires: 2027-02-10
Previous call: KM4YFE
FRN: 0025930637

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Held

Currently held

WA4MA 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

KM4YFEcancelled· E
Armbrust, Mary MFLgranted 2016-10-07cancelled 2017-02-10

Prior holders later became

WE4Vcancelled· E
ACHTERHOF, MARVIN LVAgranted 2000-10-07cancelled 2001-02-13

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4HCL 2026-09-09
KG4UZU 2026-09-09
KG4UZX 2026-09-09
KK4LMR 2026-09-09
W3EFZ 2026-09-09

Starting with WA4

All →

WA4OUF VA · 2026-09-28
WA4TWH NC · 2026-10-01
WA4ZHB NC · 2026-10-05
WA4MRP NC · 2026-10-11
WA4JFC FL · 2026-11-01

Full history → Vanity availability → Callsign genealogy →