uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AH6SB callsign genealogy

Currently held by WOOD, MARK S

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by AH6SB's current licensee, walking backwards.

  1. AC6IFcancelled· E
    WOOD, MARK SHIgranted 2004-12-09cancelled 2004-12-10
  2. KD5Uactive· E
    Sawyer, John MTXgranted 2021-01-06
  3. N5SZJcancelled· E
    Sawyer, John MTXgranted 2001-03-21cancelled 2011-03-29

Successor callsigns

Callsigns held now by people who previously held AH6SB.

No current licensee on record previously held this callsign.