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

W9KEY

Active

Schwierske, Frederick C

Location: Cedarburg, WI
Class: Amateur Extra
Granted: 2018-04-28
Expires: 2028-04-28
Previous call: KD9KOY
FRN: 0027337005

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Vanity availability

Held

Currently held

W9KEY 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

KD9KOYcancelled· G
Schwierske, Frederick CWIgranted 2018-03-29cancelled 2018-04-28

Prior holders later became

W9RNDcancelled· E
JOHNSTON, ROBERT WINgranted 2015-09-29cancelled 2017-02-04
W9CQcancelled· E
Moldenhauer, Robert CWIgranted 2007-04-21cancelled 2006-01-01

License history

0 events

No recorded events.

More vanity slots coming available

From Wisconsin

All →

K9KLF 2026-09-09
KC9CJT 2026-09-09
KD7SPU 2026-09-09
KD9OFI 2026-09-10
KD9ZZQ 2026-09-10

Starting with W9

All →

W9HDM IL · 2026-09-21
W9NJH WI · 2026-09-21
W9PJG MA · 2026-09-21
W9LKI IN · 2026-10-07
W9PJF IL · 2026-10-12

Full history → Vanity availability → Callsign genealogy →