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W4YBR

WILLIAMSON, MARK G

COLUMBIA, SC 292051682

Amateur Radio Technician Active

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Other call signs held by this FRN

FCC Reg. № 0023344658 — same operator, possibly across services.

WILLIAMSON, MARK G

Licence info issued, expires, file numbers

Call sign: W4YBR
Licence ID: 0003810193
FCC Reg. №: 0023344658
ULS file №: 0012031494
Radio service: HV — Amateur Radio
Status: Active
Granted: 2026-05-13
Effective: 2026-05-18
Expires: 2036-05-10
Last action: 2026-05-18

Licensee as registered with FCC

Name: WILLIAMSON, MARK G
Type: Individual
Street: 2009 GREENE ST APT 406
City / state / ZIP: COLUMBIA, SC 292051682

Amateur details class, group, region, history

Operator class: Technician (T)
Group code: C Group
Region: 4
Previous callsign: KK4YBR