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

W0RTT

Expired

GRILLO, PETER H

Location: BELLVUE, CO
Class: Amateur Extra
Granted: 1998-01-14
Expires: 2008-01-14
Previous call: AH3C

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Vanity availability

Available

Available now

W0RTT cleared its 2-year hold on 2016-07-03. Eligible for vanity application.

Last held by CIZEK, MICHAEL G (MN).

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 →

Previously held by current licensee

W3MCactive· E
SANDERSON, HUGH VMSgranted 2026-05-02
N5IJYcancelled· E
SANDERSON, HUGH VMSgranted 2015-04-17cancelled 2016-07-06

Prior holders later became

W0VTTactive· E
CIZEK, MICHAEL GMNgranted 2024-04-17

License history

0 events

No recorded events.

More vanity slots coming available

From Colorado

All →

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W0RMH 2026-09-09
KB7PWB 2026-09-10
KF0RME 2026-09-10

Starting with W0

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W0RMH CO · 2026-09-09
W0GAB MO · 2026-09-16
W0SCL CO · 2026-09-17
W0DMY KS · 2026-09-20
W0CVF CO · 2026-09-23

Full history → Vanity availability → Callsign genealogy →