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

KJ5GFU

Cancelled

Underbrink, Joseph C

Location: San Antonio, TX
Class: Technician
Granted: 2024-05-07
Expires: 2034-05-07
FRN: 0035262963

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Vanity availability

Available

Available now

KJ5GFU cleared its 2-year hold on 2026-06-08. Eligible for vanity application.

Last held by Underbrink, Joseph C (TX).

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

K5ATRactive· E
Underbrink, Joseph CTXgranted 2024-06-08

License history

0 events

No recorded events.

More vanity slots coming available

From Texas

All →

K2UMA 2026-09-10
K9CWO 2026-09-10
KB5SLO 2026-09-10
KD5C 2026-09-10
KD5TUE 2026-09-10

Starting with KJ5

All →

KJ5GPR TX · 2026-09-10
KJ5HNH TX · 2026-09-10
KJ5HOI NM · 2026-09-10
KJ5HRK OK · 2026-09-10
KJ5HSB TX · 2026-09-10

Full history → Vanity availability → Callsign genealogy →