K8CMM
Individual Licensee
Active
K8CMM is
an active
FCC Amateur Radio license
(Extra class) issued to Douglas M. Keiffer
in Sardinia, OH
. Granted February 28, 2026
; expires March 25, 2036.
License Details
Licensee Name
Douglas M. Keiffer
Entity Type
Individual
Operator Class
Grant Date
February 28, 2026
Expiration Date
March 25, 2036
Radio Service
Amateur Radio
(HA)
FCC Registration Number (FRN)
0003972072
Location & Details
Address
12088 Pool Kuntz Rd
City / State / ZIP
Sardinia, OH
45171
Browse State
Browse City
Previous Class
Advanced
Call Sign Group
Group C
(2×3 format, General and above)
Region Code
8
(FCC geographic call sign district)