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
KM4HDE
Not currently held
· 1 holder on record
· available since Jan 20, 2018
Previous holder: Ruben B Duckworth
Held KM4HDE Jan 13, 2015 → Jan 19, 2016
· first licensed Jan 13, 2015 as KM4HDE
· 3 licenses · FRN 0024215964
📦 Moved: Jonesborough, TN → Elizabethton, TN
NB4R
Active
Amateur Extra · vanity
Mar 28, 2017 → expires Mar 28, 2027
Licensee Ruben B Duckworth
Address 161 Peters Hollow Road Elizabethton, TN 37643
36.4121, -82.0805 (street) · Grid
EM86xj · CQ 4 · ITU 8 ·
map ↗
FRN 0024215964
Previous call K4AZZ (General)
Last granted Mar 28, 2017
Effective Jan 20, 2022
Last action Jan 20, 2022
FCC actions (3)
Jan 20, 2022 — FCC action LIAUA Mar 28, 2017 — Vanity call sign granted VANGRT Mar 28, 2017 — License issued LIISS
📦 Moved: Elizabethton, TN → Jonesborough, TN
K4AZZ
Canceled
Amateur Extra · vanity
Jan 19, 2016 → Mar 28, 2017 (canceled)
Licensee Ruben B Duckworth
Address 295 Arrowood Rd Jonesborough, TN 37659
36.2798, -82.5061 (ZIP center) · Grid
EM86rg · CQ 4 · ITU 8 ·
map ↗
FRN 0024215964
Previous call KM4HDE (General)
Last granted Jan 19, 2016
Effective Dec 20, 2016
Last action Mar 28, 2017
FCC actions (5)
Mar 28, 2017 — License canceled LICAN Dec 20, 2016 — FCC action LIAUA Dec 20, 2016 — FCC action LIAUA Jan 19, 2016 — Vanity call sign granted VANGRT Jan 19, 2016 — License issued LIISS
KM4HDE
Canceled
Amateur Extra
Jan 13, 2015 → Jan 19, 2016 (canceled)
Licensee Ruben B Duckworth
Address 257 Estep Hollow Rd Elizabethton, TN 37643
36.3705, -82.1223 (ZIP center) · Grid
EM86wi · CQ 4 · ITU 8 ·
map ↗
FRN 0024215964
Last granted Jan 13, 2015
Effective Dec 8, 2015
Last action Jan 19, 2016
FCC actions (5)
Jan 19, 2016 — License canceled LICAN Dec 8, 2015 — License modified LIMOD Jan 21, 2015 — FCC action LIAUA Jan 13, 2015 — License issued LIISS Jan 13, 2015 — 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 · 12 snapshots · as NB4R
Ruben B Duckworth
161 Peters Hollow Road, Elizabethton, TN 37643
36.4121, -82.0805 (street) · Grid
EM86xj · CQ 4 · ITU 8 ·
map ↗
Seen Dec 31, 2016 → Sep 27, 2026 · 30 snapshots · as K4AZZ
Ruben B Duckworth
295 Arrowood Rd, Jonesborough, TN 37659
36.2798, -82.5061 (ZIP center) · Grid
EM86rg · CQ 4 · ITU 8 ·
map ↗
Seen Mar 28, 2015 → Sep 27, 2026 · 41 snapshots · as KM4HDE
Ruben B Duckworth
257 Estep Hollow Rd, Elizabethton, TN 37643
36.3705, -82.1223 (ZIP center) · Grid
EM86wi · CQ 4 · ITU 8 ·
map ↗
Data: FCC Universal Licensing System, amateur service · refreshed nightly
n9tpb.com · 73 de N9TPB