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

KA7P callsign genealogy

Currently held by SIMONIS, ROGER A

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 KA7P's current licensee, walking backwards.

  1. AB7NHcancelled· E
    Petroff IV, Stanley AORgranted 2024-02-01cancelled 2026-03-27
  2. KF7EFScancelled· G
    Petroff IV, Stanley AORgranted 2009-08-18cancelled 2012-04-03

Successor callsigns

Callsigns held now by people who previously held KA7P.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KA7P, oldest first.

  • SIMONIS, ROGER A OR
    2013-11-18 → cancelled 2026-03-06
  • Petroff IV, Stanley A OR
    2026-03-27 active
← Back to KA7P License history →