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KR4D

Martins, Douglas J

Trenton, SC 29847

Amateur Radio Amateur Extra Active

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Other call signs held by this FRN

FCC Reg. № 0014738231 — same operator, possibly across services.

Martins, Douglas J

North Augusta, SC

Licence info issued, expires, file numbers

Call sign: KR4D
Licence ID: 0002818212
FCC Reg. №: 0014738231
ULS file №: 0012084109
Radio service: HV — Amateur Radio
Status: Active
Granted: 2026-06-19
Effective: 2026-06-19
Expires: 2036-06-10
Last action: 2026-06-19

Licensee as registered with FCC

Name: Martins, Douglas J
Type: Individual
Street: 197 Hummingbird Dr.
City / state / ZIP: Trenton, SC 29847

Amateur details class, group, region, history

Operator class: Amateur Extra (E)
Group code: A Group
Region: 4
Previous callsign: AI4PV