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

KC9YRX

Cancelled

Strothmann Sr, Mark S

Location: Wauwatosa, WI
Class: Amateur Extra
Granted: 2013-04-08
Expires: 2023-04-08
FRN: 0022596241

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Vanity availability

Available

Available now

KC9YRX cleared its 2-year hold on 2022-04-28. Eligible for vanity application.

Last held by Strothmann Sr, Mark S (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

KC9WIactive· E
Strothmann Sr., Mark SWIgranted 2020-04-28

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 KC9

All →

KC9CJK IN · 2026-09-09
KC9CJM IN · 2026-09-09
KC9CJT WI · 2026-09-09
KC9WSG IN · 2026-09-09
KC9CKD IN · 2026-09-10

Full history → Vanity availability → Callsign genealogy →