Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5IP callsign genealogy
Currently held by Caldwell, Danny 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 AD5IP's current licensee, walking backwards.
- Caldwell Sr, Danny RTXgranted 1994-02-22cancelled 2002-04-09
Successor callsigns
Callsigns held now by people who previously held AD5IP.
- Caldwell, Danny RTXgranted 2018-02-06