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

KC9BK

Active

Krenkel, Robert W

Location: Beloit, WI
Class: Amateur Extra
Granted: 2024-03-29
Expires: 2034-03-29
Previous call: W9SBK
FRN: 0033999418

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Held

Currently held

KC9BK 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

W9SBKcancelled· E
Krenkel, Robert WWIgranted 2023-11-25cancelled 2024-03-29
KD9YZScancelled· T
Krenkel, Robert WWIgranted 2023-10-06cancelled 2023-11-25

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 →