K4OSR

Call sign K4OSR was granted to Roldan, Ernest A by the Federal Communications Commission (FCC) on Jan 03, 2020 . The FCC license ID of this call sign is 4237407. More details about call sign K4OSR can be found in the table below.

Call Sign	K4OSR
License Holder Name	Roldan, Ernest A
Location of the Licensee	DENVER, CO 80224
View all call signs in ZIP Code 80224 of Colorado

FCC License Id	4237407
Radio Service Code	HV
Description of the Radio service	Vanity
Date When the FCC Granted the Authorization	2020-01-03
Date When the Authorization Has or Will Expire	2030-01-03
Date on Which the Authorization Was Cancelled
Date This Record Was Last Updated.	2020-06-01
Service Category	Personal Use
High-level Service Category Description	Personal Use
Licensing Source System	ULS
FCC Registration Number (FRN)	0026030783
License Status Status	Active
High-level License Status	Active
Description of Entity Type	Individual
High-level Entity Type Description	Individual