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

K6TOP callsign genealogy

Currently held by McGrath, Kevin J

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 K6TOP's current licensee, walking backwards.

  1. AF6SMcancelled· E
    McGrath, Kevin JCAgranted 2009-10-08cancelled 2010-08-13

Successor callsigns

Callsigns held now by people who previously held K6TOP.

No current licensee on record previously held this callsign.