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

K7PTL callsign genealogy

Currently held by RAFFERTY, MICHAEL 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 K7PTL's current licensee, walking backwards.

  1. AA0AOactive· E
    GIEROK, THOMAS AMNgranted 2017-04-21
  2. AB0TGcancelled· E
    GIEROK, THOMAS AMNgranted 2014-05-16cancelled 2017-04-21
  3. KD0YMEcancelled· E
    GIEROK, THOMAS AMNgranted 2013-12-12cancelled 2014-05-16

Successor callsigns

Callsigns held now by people who previously held K7PTL.

No current licensee on record previously held this callsign.