K4IU

Regennitter, Frederick J

Location

Rochester, MN

Class

Amateur Extra

Granted

2026-09-01

Expires

2036-11-26

Previous call

AB0V

FRN

0002316792

Currently held

K4IU 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).

1. Renewed 2026-09-01

   LIREN

   [LIREN]
2. name_change 2026-09-01

   REGENNITTER → Regennitter
3. name_change 2026-09-01

   REGENNITTER, FREDERICK J → Regennitter, Frederick J
4. Address update 2026-04-22

   LIAUA

   [LIAUA]
5. Renewed 2016-08-31

   LIREN

   [LIREN]
6. Renewed 2006-08-30

   LIREN

   [LIREN]
7. Address update 2001-07-09

   LIAUA

   [LIAUA]

More vanity slots coming available