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

K0GRC

Active

SULLIVAN, MICHAEL F

Location: GOLDEN, CO
Class: Amateur Extra
Granted: 2023-01-11
Expires: 2033-01-11
Previous call: KD0SYK
FRN: 0020246583

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Vanity availability

Held

Currently held

K0GRC 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

KD0SYKcancelled· T
SULLIVAN, MICHAEL FCOgranted 2012-08-28cancelled 2012-09-15

License history

0 events

No recorded events.

More vanity slots coming available

From Colorado

All →

K0RTS 2026-09-09
K7UGT 2026-09-09
W0RMH 2026-09-09
KB7PWB 2026-09-10
KF0RME 2026-09-10

Starting with K0

All →

K0RTS CO · 2026-09-09
K0WFI KS · 2026-09-10
K0KDD KS · 2026-09-17
K0BHM KS · 2026-09-20
K0DO MO · 2026-10-09

Full history → Vanity availability → Callsign genealogy →