Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3LP callsign genealogy
Currently held by COLLINGHAM, DAVID 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 K3LP's current licensee, walking backwards.
- Petrov, LubomirCAgranted 2019-08-27cancelled 2020-01-24
Successor callsigns
Callsigns held now by people who previously held K3LP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3LP, oldest first.
- COLLINGHAM, DAVID R MD2016-08-09 → cancelled 2018-01-05
- Petrov, Lubomir CA2020-01-24 active