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

K6YF callsign genealogy

Currently held by ALEXANDER, ROBERT E

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 K6YF's current licensee, walking backwards.

  1. AA6UPcancelled· E
    ALEXANDER, ROBERT ECAgranted 2010-01-01cancelled 2017-05-16
  2. KK6BRactive· E
    ROBINSON, WILLIAM JCAgranted 2023-09-08
  3. WB6RMYcancelled· E
    ROBINSON, WILLIAM JCAgranted 2018-05-22cancelled 2023-09-08

Successor callsigns

Callsigns held now by people who previously held K6YF.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6YF, oldest first.

  • MC LEOD, GORDON CA
    2005-04-01 → cancelled 2017-04-26
  • ALEXANDER, ROBERT E CA
    2017-05-16 active