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

WA0ARM callsign genealogy

Currently held by GLYNN, WILLIAM J

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 WA0ARM's current licensee, walking backwards.

  1. KD0GPOcancelled· T
    Glynn, William JKSgranted 2009-02-23cancelled 2009-03-20

Successor callsigns

Callsigns held now by people who previously held WA0ARM.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WA0ARM, oldest first.

  • GLYNN, THOMAS O KS
    1997-02-27 → cancelled 2009-02-28
  • GLYNN, WILLIAM J KS
    2019-01-30 active