Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7JKR callsign genealogy
Currently held by Holz, Jarred M
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 W7JKR's current licensee, walking backwards.
- Holz, Jarred MIDgranted 2024-11-21cancelled 2024-12-10
Successor callsigns
Callsigns held now by people who previously held W7JKR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7JKR, oldest first.
- PFEIFFER, GENE F WA1988-08-09 → cancelled 2000-08-10
- Holz, Jarred M ID2024-12-10 active