Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7SAT callsign genealogy
Currently held by DITTMER SR, RICHARD 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 KB7SAT's current licensee, walking backwards.
- DITTMER SR, RICHARD GNVgranted 2017-01-30cancelled 2018-03-03
Successor callsigns
Callsigns held now by people who previously held KB7SAT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB7SAT, oldest first.
- WARREN, EDWARD E AZ2002-10-22 → cancelled 2015-01-21
- DITTMER SR, RICHARD G NV2018-03-03 active