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

AC0LB

Cancelled

Merkling, John R

Location: Lakewood, CO
Class: Amateur Extra
Granted: 2007-02-26
Expires: 2017-02-26
Previous call: KC0ZQO
FRN: 0016123390

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Vanity availability

Available

Available now

AC0LB cleared its 2-year hold on 2010-05-20. Eligible for vanity application.

Last held by Merkling, John R (CO).

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

KC0ZQOcancelled· E
Merkling, John RCOgranted 2007-02-26cancelled 2008-04-25

Prior holders later became

NJ0Hactive· E
Merkling, John RCOgranted 2018-02-21

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 →