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

K6SI

Cancelled

KAUFFMAN, KARL

Location: CARMEL VALLEY, CA
Class: Amateur Extra
Granted: 1997-08-21
Expires: 2006-11-04

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Vanity availability

Unknown

Status unknown

No vanity-slot record on file for K6SI. Either it has never been issued, is currently held by an active license, or hasn't been re-computed since its last freeing event.

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

W6PWJcancelled· E
LAMSON, KENNETH CCAgranted 2003-10-03cancelled 2006-02-14
AE6OBcancelled· E
Lamson, Kenneth CCAgranted 2003-09-09cancelled 2003-10-03

License history

0 events

No recorded events.

More vanity slots coming available

From California

All →

KC6OZS 2026-09-09
KD6MWG 2026-09-09
KG6NDR 2026-09-09
KG6NDX 2026-09-09
KG6NEF 2026-09-09

Starting with K6

All →

K6DJM CA · 2026-09-10
K6IGU UT · 2026-09-14
K6BSV WA · 2026-09-25
K6KA TN · 2026-09-25
K6KOA HI · 2026-10-01

Full history → Vanity availability → Callsign genealogy →