WP4TWD
Individual Licensee
Active
WP4TWD is
an active
FCC Amateur Radio license
(Technician class) issued to Mercyn Lopez Hernandez
in Yauco, PR
. Granted December 30, 2025
; expires December 30, 2035.
License Details
Licensee Name
Mercyn Lopez Hernandez
Entity Type
Individual
Operator Class
Grant Date
December 30, 2025
Expiration Date
December 30, 2035
Radio Service
Amateur Radio
(HA)
FCC Registration Number (FRN)
0036517944
Location & Details
Address
HC-3 Box 14535
City / State / ZIP
Yauco, PR
00698
Browse State
Browse City
Call Sign Group
Group D
(2×3 or longer format, all classes)
Region Code
12
(FCC geographic call sign district)