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

AD7SB

Cancelled

Chamberlain, Nicholas A

Location: San Diego, CA
Class: Amateur Extra
Granted: 2004-03-19
Expires: 2014-06-15
Previous call: AD6LM
FRN: 0002000883

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Vanity availability

Available

Available now

AD7SB cleared its 2-year hold on 2013-08-11. Eligible for vanity application.

Last held by Chamberlain, Nicholas A (CA).

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

AD6LMactive· E
Chamberlain, Nicholas ACAgranted 2021-08-06

Prior holders later became

AD6LMactive· E
Chamberlain, Nicholas ACAgranted 2021-08-06

License history

0 events

No recorded events.

More vanity slots coming available

From California

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Starting with AD7

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AD7UU AZ · 2026-09-10
AD7UZ WA · 2027-01-08
AD7EV OR · 2027-02-24
AD7ZW UT · 2027-03-08
AD7BH AZ · 2027-04-01

Full history → Vanity availability → Callsign genealogy →