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

KH6JF callsign genealogy

Currently held by Jupiter Research Foundation Amateur Radio Club

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 KH6JF's current licensee, walking backwards.

  1. KH6HHHcancelled
    Jupiter Research Foundation Amateur Radio ClubHIgranted 2006-10-14cancelled 2015-05-19
  2. WH6DHScancelled
    Jupiter Research Foundation Amateur Radio ClubHIgranted 2006-09-22cancelled 2006-10-14

Successor callsigns

Callsigns held now by people who previously held KH6JF.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KH6JF, oldest first.

  • FENN, JOSEPH F HI
    2006-10-03 → cancelled 2008-03-20
  • Jupiter Research Foundation Amateur Radio Club HI
    2015-05-19 active