Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR7SUB callsign genealogy
Currently held by FOXTROT SUBMARINE 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 KR7SUB's current licensee, walking backwards.
- KD7TGYcancelledFoxtrot Submarine ClubWAgranted 2002-11-12cancelled 2002-12-20
Successor callsigns
Callsigns held now by people who previously held KR7SUB.
No current licensee on record previously held this callsign.