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

KC8RRO

Cancelled

Harms, Mark J

Location: Naples, FL
Class: Amateur Extra
Granted: 2011-03-25
Expires: 2021-06-15
FRN: 0005249644

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Vanity availability

Available

Available now

KC8RRO cleared its 2-year hold on 2014-10-05. Eligible for vanity application.

Last held by Harms, Mark J (FL).

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

AC4ZMactive· E
Harms, Mark JFLgranted 2022-08-13

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 KC8

All →

KC8UTB OH · 2026-09-09
KC8UTD OH · 2026-09-09
KC8UOZ MI · 2026-09-12
KC8UTK TN · 2026-09-12
KC8UTL OH · 2026-09-12

Full history → Vanity availability → Callsign genealogy →