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

KD9DK

Active

Sonnentag, Jeffrey L

Location: Wausau, WI
Class: Amateur Extra
Granted: 2015-10-23
Expires: 2025-10-23
Previous call: KD9ENH
FRN: 0024842700

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Vanity availability

Held

Currently held

KD9DK is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

KD9ENHcancelled· E
Sonnentag, Jeffrey LWIgranted 2015-09-01cancelled 2015-10-23

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 KD9

All →

KD9OFI WI · 2026-09-10
KD9YBK IN · 2026-09-10
KD9YXS IL · 2026-09-10
KD9ZZQ WI · 2026-09-10
KD9UMZ IN · 2026-09-13

Full history → Vanity availability → Callsign genealogy →