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

K9SFI

Expired

BRUMMEL, DUANE J

Location: BROOKLYN, WI
Class: Amateur Extra
Granted: 1996-12-18
Expires: 2006-12-18
Previous call: NX9K

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Vanity availability

Available

Available now

K9SFI cleared its 2-year hold on 2010-12-17. Eligible for vanity application.

Last held by BRUMMEL, DUANE J (WI).

Confidence: High

Expired licenses get a 2-year FCC renewal grace period followed by the 2-year hold. The date shown accounts for both, so it's the firm release date per §97.19.

Callsign genealogy

Full chain →

Previously held by current licensee

NX9Kactive· E
Batka, Kristine JWIgranted 2019-03-06
KC9LOYcancelled· E
Batka, Kristine JWIgranted 2007-05-07cancelled 2009-05-05

License history

0 events

No recorded events.

More vanity slots coming available

From Wisconsin

All →

KD9OFI 2026-09-10
KD9ZZQ 2026-09-10
KK4LOF 2026-09-11
N9ZRB 2026-09-13
W7QFX 2026-09-13

Starting with K9

All →

K9CWO TX · 2026-09-10
K9CYV IL · 2026-09-10
K9SRS IL · 2026-09-12
K9WCC CA · 2026-09-13
K9CKY OH · 2026-09-14

Full history → Vanity availability → Callsign genealogy →