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

KI5CSL

Cancelled

Keiser, Jonathan Z

Location: San Antonio, TX
Class: Amateur Extra
Granted: 2018-12-28
Expires: 2028-12-28
FRN: 0028109858

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Vanity availability

Available

Available now

KI5CSL cleared its 2-year hold on 2021-02-06. Eligible for vanity application.

Last held by Keiser, Jonathan Z (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

AG5SYactive· E
Keiser, Jonathan ZTXgranted 2018-12-28

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 KI5

All →

KI5RAT TX · 2026-09-10
KI5KFV TX · 2026-09-13
KI5KKO TX · 2026-09-21
KI5UWA OK · 2026-09-21
KI5KON TX · 2026-09-24

Full history → Vanity availability → Callsign genealogy →