uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KC1ZAH

Cancelled

Sweeney, Paul O

Location
Boston, MA
Class
Technician
Granted
2026-02-14
Expires
2036-02-14
FRN
0038000337
Sign in to watch

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

Vanity availability

542d

Available on 2028-03-06

KC1ZAH cancelled on 2026-03-07. Hold ends in 542 days.

Last held by Sweeney, Paul O (MA).

Confidence: High

Cancelled licenses begin the 2-year hold immediately on the cancellation date, so this is the firm release date per §97.19.

Callsign genealogy

Full chain →

Prior holders later became

  1. KR1CKTactive· T
    Sweeney, Paul OMAgranted 2026-03-07

License history

0 events

No recorded events.

More vanity slots coming available

From Massachusetts

All →

Starting with KC1

All →