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

AD0HU

Active

CALL, CALVIN D

Location: Strasburg, CO
Class: Amateur Extra
Granted: 2025-11-26
Expires: 2035-12-12
Previous call: KD0ZAM
FRN: 0023332125

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Held

Currently held

AD0HU 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

KD0ZAMcancelled· E
CALL, CALVIN DCOgranted 2015-10-24cancelled 2015-12-12

Prior holders later became

KD0ZAMcancelled· E
CALL, CALVIN DCOgranted 2015-10-24cancelled 2015-12-12

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 AD0

All →

AD0BO CA · 2026-10-01
AD0CK MN · 2026-11-25
AD0PN MN · 2027-01-23
AD0DJ MN · 2027-02-28
AD0DU CO · 2027-04-28

Full history → Vanity availability → Callsign genealogy →