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

KD9ZON

Cancelled

Oldenberg, Randel R

Location: Mosinee, WI
Class: General
Granted: 2024-01-24
Expires: 2034-01-24
FRN: 0002695385

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Vanity availability

Available

Available now

KD9ZON cleared its 2-year hold on 2026-04-09. Eligible for vanity application.

Last held by Oldenberg, Randel R (WI).

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

N9IYNactive· G
Oldenberg, Randel RWIgranted 2024-04-09

License history

0 events

No recorded events.

More vanity slots coming available

From Wisconsin

All →

KK4LOF 2026-09-11
N9ZRB 2026-09-13
W7QFX 2026-09-13
WA9YRL 2026-09-14
KC9CKL 2026-09-16

Starting with KD9

All →

KD9UMZ IN · 2026-09-13
KD9HGA IN · 2026-09-16
KD9QGK IL · 2026-09-17
KD9ZDN IL · 2026-09-17
KD9OQC IN · 2026-09-27

Full history → Vanity availability → Callsign genealogy →