Confidence: Medium · Source: FCC ULS · As of 2026-09-10

KC3SUM

Cancelled

Horswell, David A

Location: Guys Mills, PA
Class: Amateur Extra
Granted: 2021-09-22
Expires: 2031-09-22
FRN: 0031159098

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Vanity availability

Available

Available now

KC3SUM cleared its 2-year hold on 2024-05-23. Eligible for vanity application.

Last held by Horswell, David A (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

KD3FMactive· E
Horswell, David APAgranted 2022-05-24

License history

0 events

No recorded events.

More vanity slots coming available

From Pennsylvania

All →

KB3HBB 2026-09-10
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KC3ZNR 2026-09-10
KC3ZQJ 2026-09-10

Starting with KC3

All →

KC3ZNR PA · 2026-09-10
KC3ZQJ PA · 2026-09-10
KC3MJH MD · 2026-09-13
KC3WYD PA · 2026-09-13
KC3ZPN MD · 2026-09-13

Full history → Vanity availability → Callsign genealogy →