Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AD5UY callsign genealogy
Currently held by KRAEMER, JAMES R
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 AD5UY's current licensee, walking backwards.
- KRAEMER, JAMES RNMgranted 2005-09-23cancelled 2005-10-11
Successor callsigns
Callsigns held now by people who previously held AD5UY.
- KRAEMER, JAMES RNMgranted 2018-07-12