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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

W2JAM callsign genealogy

Currently held by WALTERS, HORACE L

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 W2JAM's current licensee, walking backwards.

  1. K5LFactive· E
    Kretchmar, Phillip GTXgranted 2026-04-03
  2. KR5DFWcancelled· E
    Kretchmar, Phillip GTXgranted 2022-04-08cancelled 2026-04-03
  3. KI5UFWcancelled· G
    Kretchmar, Phillip GTXgranted 2022-03-18cancelled 2022-04-08

Successor callsigns

Callsigns held now by people who previously held W2JAM.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W2JAM, oldest first.

  • WALTERS, HORACE L NY
    1998-09-14 → cancelled 2010-09-15
  • MARTINSON, JOHN A KS
    2021-09-08 active