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

AD1V callsign genealogy

Currently held by SCHOLTEN, JAMES M

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 AD1V's current licensee, walking backwards.

  1. AC1JVcancelled· E
    OSTERBERG, JACOB GMAgranted 2020-06-18cancelled 2021-03-09
  2. KC1NHBcancelled· E
    OSTERBERG, JACOB GMAgranted 2020-06-18cancelled 2020-07-23

Successor callsigns

Callsigns held now by people who previously held AD1V.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AD1V, oldest first.

  • SCHOLTEN, JAMES M NC
    2013-07-20 → cancelled 2019-02-12
  • OSTERBERG, JACOB G MA
    2021-03-09 active
← Back to AD1V License history →