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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W8TTF callsign genealogy

Currently held by Cook, 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 W8TTF's current licensee, walking backwards.

  1. W8TGFcancelled· G
    Cook, Michael GOHgranted 2017-11-25cancelled 2018-09-14
  2. W8TZFcancelled· G
    Cook, Michael GOHgranted 2017-04-04cancelled 2017-11-25
  3. KE8GGMcancelled· T
    Cook, Michael GOHgranted 2017-03-06cancelled 2017-04-04

Successor callsigns

Callsigns held now by people who previously held W8TTF.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W8TTF, oldest first.

  • SZIPPL, ANDREW F OH
    1994-07-16 → cancelled 2006-07-18
  • Cook, Michael G OH
    2018-09-14 active
← Back to W8TTF License history →