Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KV4XP callsign genealogy
Currently held by CUMMINGS, PORTER 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 KV4XP's current licensee, walking backwards.
- CUMMINGS, PORTER GFLgranted 2008-04-22cancelled 2014-04-25
Successor callsigns
Callsigns held now by people who previously held KV4XP.
- CUMMINGS, PORTER GFLgranted 2014-05-16cancelled 2026-05-19