uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AC4NN

Expired

PIERCE SR, WILLIAM F

Location
BOCA RATON, FL
Class
Amateur Extra
Granted
2001-12-04
Expires
2012-02-11
Previous call
KO4ML
FRN
0005809652
Sign in to watch

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

Vanity availability

Available

Available now

AC4NN cleared its 2-year hold on 2016-02-10. Eligible for vanity application.

Last held by PIERCE SR, WILLIAM F (FL).

Confidence: High

Expired licenses get a 2-year FCC renewal grace period followed by the 2-year hold. The date shown accounts for both, so it's the firm release date per §97.19.

Callsign genealogy

Full chain →

Previously held by current licensee

  1. KO4ML
    no FCC ULS record on file

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

Starting with AC4

All →