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

KC3JYY

Cancelled

Mongan Jr, William M

Location: Downingtown, PA
Class: Technician
Granted: 2017-10-16
Expires: 2027-10-16
FRN: 0025827627

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Vanity availability

Available

Available now

KC3JYY cleared its 2-year hold on 2019-11-04. Eligible for vanity application.

Last held by Mongan Jr, William M (PA).

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 →

Prior holders later became

W1CLKactive· E
Mongan Jr, William MPAgranted 2017-11-04

License history

0 events

No recorded events.

More vanity slots coming available

From Pennsylvania

All →

KB3QHC 2026-09-09
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KB3ZFA 2026-09-10
KB3ZFB 2026-09-10

Starting with KC3

All →

KC3ZRU MD · 2026-09-09
KC3ZNR PA · 2026-09-10
KC3ZQJ PA · 2026-09-10
KC3MJH MD · 2026-09-13
KC3WYD PA · 2026-09-13

Full history → Vanity availability → Callsign genealogy →