Ask: hams within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI
KO4RQE
Not currently held
· 1 holder on record
Previous holder: DONGGUANG YU
Held KO4RQE Jun 30, 2021 → Apr 11, 2025
· first licensed Jun 30, 2021 as KO4RQE
· 2 licenses · FRN 0031089352
NB6G
Active
Amateur Extra · vanity
Apr 11, 2025 → expires Apr 11, 2035
Licensee DONGGUANG YU
Address 1401 Reed Canal Road, Apt 03301 PORT ORANGE, FL 32129
29.1370, -81.0240 (ZIP center) · Grid
EL99ld · CQ 5 · ITU 8 ·
map ↗
FRN 0031089352
Previous call KO4RQE (General)
Last granted Apr 11, 2025
Effective Apr 11, 2025
Last action Apr 11, 2025
FCC actions (2)
Apr 11, 2025 — Vanity call sign granted VANGRT Apr 11, 2025 — License issued LIISS
KO4RQE
Canceled
Amateur Extra
Jun 30, 2021 → Apr 11, 2025 (canceled)
Licensee DONGGUANG YU
Address 1401 Reed Canal Road, Apt 03301 PORT ORANGE, FL 32129
29.1370, -81.0240 (ZIP center) · Grid
EL99ld · CQ 5 · ITU 8 ·
map ↗
FRN 0031089352
Last granted Jun 30, 2021
Effective Mar 19, 2025
Last action Apr 11, 2025
FCC actions (8)
Apr 11, 2025 — License canceled LICAN Mar 19, 2025 — License modified LIMOD Jul 13, 2023 — License modified LIMOD Jan 5, 2022 — FCC action LIAUA Nov 2, 2021 — FCC action LIAUA Jul 13, 2021 — FCC action LIAUA Jun 30, 2021 — License issued LIISS Jun 30, 2021 — Systematic call sign granted SYSGRT
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Apr 16, 2022 → Sep 27, 2026 · 16 snapshots · as KO4RQE
DONGGUANG YU
1401 Reed Canal Road, Apt 03301, PORT ORANGE, FL 32129
29.1370, -81.0240 (ZIP center) · Grid
EL99ld · CQ 5 · ITU 8 ·
map ↗
Data: FCC Universal Licensing System, amateur service · refreshed nightly
n9tpb.com · 73 de N9TPB