Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD7SIX callsign genealogy
Currently held by Sproul, Scott D
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 KD7SIX's current licensee, walking backwards.
- Gaffney, Heidiann EMNgranted 2005-03-03cancelled 2006-10-24
Successor callsigns
Callsigns held now by people who previously held KD7SIX.
- Sproul, Scott DUTgranted 2022-06-07
All historical holders
Every license row we've seen with the callsign KD7SIX, oldest first.
- Sproul, Scott D NV2002-08-08 → cancelled 2004-09-16
- Gaffney, Heidiann E AK2017-09-08 active