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

N7SWO callsign genealogy

Currently held by HOUSER, RONALD G

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 N7SWO's current licensee, walking backwards.

  1. N7EVVcancelled· T
    Larsen, PeterCAgranted 2025-09-09cancelled 2025-12-12
  2. KO6KQXcancelled· T
    Larsen, PeterCAgranted 2025-08-20cancelled 2025-09-09

Successor callsigns

Callsigns held now by people who previously held N7SWO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N7SWO, oldest first.

  • HOUSER, RONALD G WA
    2012-08-16 → cancelled 2024-12-04
  • Larsen, Peter CA
    2025-12-12 active