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

N4GEO callsign genealogy

Currently held by Reda, Frank E

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 N4GEO's current licensee, walking backwards.

  1. KO4YUKcancelled· G
    Bombach, Joshua JVAgranted 2022-03-21cancelled 2022-04-08

Successor callsigns

Callsigns held now by people who previously held N4GEO.

  1. W7SADactive· G
    Heltzel, David SORgranted 2019-12-31
  2. AJ4LEactive· E
    Reda, Frank EFLgranted 2018-06-13

All historical holders

Every license row we've seen with the callsign N4GEO, oldest first.

  • Reda, Frank E FL
    2008-05-01 → cancelled 2008-09-24
  • Heltzel, David S OR
    2018-04-06 → cancelled 2019-12-31
  • Bombach, Joshua J VA
    2022-04-08 active
← Back to N4GEO License history →