Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KN4EHE

Cancelled

Guppenberger, James C

Location: Jacksonville, FL
Class: Amateur Extra
Granted: 2017-06-28
Expires: 2027-06-28
FRN: 0026644310

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Vanity availability

Available

Available now

KN4EHE cleared its 2-year hold on 2019-10-11. Eligible for vanity application.

Last held by Guppenberger, James C (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

NG4Jactive· E
Guppenberger, James CFLgranted 2017-10-11

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

KD4SPY 2026-09-11
KK4LOA 2026-09-11
KB1HYE 2026-09-12
KO4UTL 2026-09-13
KQ4RHZ 2026-09-13

Starting with KN4

All →

KN4ZVG FL · 2026-09-17
KN4LGK GA · 2026-09-21
KN4VXC NC · 2026-09-21
KN4RPM VA · 2026-10-07
KN4GAM GA · 2026-10-12

Full history → Vanity availability → Callsign genealogy →