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

AC0IO

Active

Harmon Jr, Lloyd M

Location: Colorado Springs, CO
Class: Amateur Extra
Granted: 2024-01-09
Expires: 2034-03-31
Previous call: N0TDO
FRN: 0007399017

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Vanity availability

Held

Currently held

AC0IO 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

N0TDOcancelled· E
Harmon Jr, Lloyd MCOgranted 2004-03-31cancelled 2007-06-23
KC0OCEcancelled· T
HARMON JR, LLOYD MCOgranted 2002-09-19cancelled 2004-03-31

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 AC0

All →

AC0GJ CO · 2026-10-26
AC0DE WA · 2027-01-17
AC0JC MN · 2027-03-14
AC0HT CO · 2027-12-09
AC0JM CO · 2027-12-12

Full history → Vanity availability → Callsign genealogy →