🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update tomorrow 6:00 am CDT
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
KF4SU HAM
⏳
Not available yet — opens for vanity requests
Jul 9, 2027 , two years after the license was canceled (Jul 8, 2025).
2x2 call: Advanced and Amateur Extra licensees can request it.
No pending applications list it.
📬 QSL:
no LoTW uploads on record
· not eQSL AG
· QRZ · HamQTH
Not currently held
· 2 holders on record
Previous holder: BENJAMIN W SUTTON
Held KF4SU Dec 29, 2020 → Jul 8, 2025
· first licensed Dec 20, 2002 as KF4KWJ
· 5 licenses · FRN 0008118366
AD4M
Active
Amateur Extra · vanity
Jul 8, 2025 → expires Jul 8, 2035
Licensee BENJAMIN W SUTTON
Address 837 Chesnut Hill St. Chipley, FL 32428
30.6157, -85.5729 (ZIP center) · Grid
EM70fo · CQ 5 · ITU 8 ·
map ↗
FRN 0008118366
Previous call KF4SU (General)
Last granted Jul 8, 2025
Effective Jul 8, 2025
Last action Jul 8, 2025
FCC actions (2)
Jul 8, 2025 — Vanity call sign granted VANGRT Jul 8, 2025 — License issued LIISS
KF4SU
Canceled
Amateur Extra · vanity
Dec 29, 2020 → Jul 8, 2025 (canceled)
Licensee BENJAMIN W SUTTON
Address 837 Chesnut Hill St. Chipley, FL 32428
30.6157, -85.5729 (ZIP center) · Grid
EM70fo · CQ 5 · ITU 8 ·
map ↗
FRN 0008118366
Previous call K0SU (General)
Last granted Dec 29, 2020
Effective Dec 29, 2020
Last action Jul 8, 2025
FCC actions (3)
Jul 8, 2025 — License canceled LICAN Dec 29, 2020 — Vanity call sign granted VANGRT Dec 29, 2020 — License issued LIISS
K0SU
Canceled
Amateur Extra · vanity
Jul 7, 2020 → Dec 29, 2020 (canceled)
Licensee BENJAMIN W SUTTON
Address 837 Chesnut Hill St. Chipley, FL 32428
30.6157, -85.5729 (ZIP center) · Grid
EM70fo · CQ 5 · ITU 8 ·
map ↗
FRN 0008118366
Previous call KG4BWS (General)
Last granted Jul 7, 2020
Effective Jul 7, 2020
Last action Dec 29, 2020
FCC actions (3)
Dec 29, 2020 — License canceled LICAN Jul 7, 2020 — Vanity call sign granted VANGRT Jul 7, 2020 — License issued LIISS
KG4BWS
Canceled
Amateur Extra · vanity
Mar 9, 2019 → Jul 7, 2020 (canceled)
Licensee BENJAMIN W SUTTON
Address 837 Chesnut Hill St. Chipley, FL 32428
30.6157, -85.5729 (ZIP center) · Grid
EM70fo · CQ 5 · ITU 8 ·
map ↗
FRN 0008118366
Previous call KF4KWJ (General)
Last granted Mar 9, 2019
Effective Dec 13, 2019
Last action Jul 7, 2020
FCC actions (4)
Jul 7, 2020 — License canceled LICAN Dec 13, 2019 — License modified LIMOD Mar 9, 2019 — Vanity call sign granted VANGRT Mar 9, 2019 — License issued LIISS
KF4KWJ
Canceled
General
Dec 20, 2002 → Mar 9, 2019 (canceled)
Licensee BENJAMIN W SUTTON
Address 837 Chesnut Hill St. Chipley, FL 32428
30.6157, -85.5729 (ZIP center) · Grid
EM70fo · CQ 5 · ITU 8 ·
map ↗
FRN 0008118366
Last granted May 13, 2016
Effective Jul 2, 2018
Last action Mar 9, 2019
FCC actions (7)
Mar 9, 2019 — License canceled LICAN Jul 2, 2018 — License modified LIMOD May 30, 2018 — Administrative update LIAUA May 13, 2016 — License renewed LIREN May 7, 2015 — Administrative update LIAUA Apr 19, 2006 — License renewed LIREN Dec 20, 2002 — License modified LIMOD
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Sep 3, 2018 → Oct 4, 2026 · 59 snapshots · as KF4KWJ
BENJAMIN W SUTTON
837 Chesnut Hill St., Chipley, FL 32428
30.6157, -85.5729 (ZIP center) · Grid
EM70fo · CQ 5 · ITU 8 ·
map ↗
Seen May 19, 2015 → May 7, 2018 · 19 snapshots · as KF4KWJ
BENJAMIN W SUTTON
8601-3 Lyndon Crossings Ct., Louisville, KY 40242
38.2762, -85.5871 (ZIP center) · Grid
EM78eg · CQ 4 · ITU 8 ·
map ↗
Seen May 27, 2010 → Mar 28, 2015 · 12 snapshots · as KF4KWJ
BENJAMIN W SUTTON
PO Box 80145 2825 Lexington Road, Louisville, KY 40280-0145
38.2477, -85.6869 (ZIP center) · Grid
EM78df · CQ 4 · ITU 8 ·
map ↗
Seen Nov 7, 2004 · 1 snapshot · as KF4KWJ
BENJAMIN W SUTTON
4550 BARTOW RD., GREENWOOD, FL 32443
30.8966, -85.1107 (street) · Grid
EM70kv · CQ 5 · ITU 8 ·
map ↗
Previous holder: DAYTON C CLOSSER
Held KF4SU Dec 1, 1998 → Dec 1, 2008
· first licensed Dec 1, 1998 as KF4SU
· 1 license · no FRN on file (pre-2001 records)
KF4SU
Expired
Advanced
Dec 1, 1998 → Dec 1, 2008 (expired)
Licensee DAYTON C CLOSSER
Address 29311 OLEANDAR DR BIG PINE KEY, FL 33043
24.6697, -81.2608 (ZIP center) · Grid
EL94iq · CQ 5 · ITU 8 ·
map ↗
Last granted Dec 1, 1998
Effective Dec 1, 1998
Last action Dec 2, 2010
FCC actions (1)
Dec 2, 2010 — License expired LIEXP
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KF4SU
DAYTON C CLOSSER
29311 OLEANDAR DR, BIG PINE KEY, FL 33043
24.6697, -81.2608 (ZIP center) · Grid
EL94iq · CQ 5 · ITU 8 ·
map ↗
Others requesting KF4SU
1 application listed KF4SU as a choice, newest first.
Filed Award Applicant Choice # Status
Dec 11, 2020
Dec 29, 2020
K0SU · BENJAMIN W SUTTON · Chipley, FL
1 Granted
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KF4SU in the last 24 hours. They show up here within seconds of KF4SU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
Data: FCC Universal Licensing System (amateur & GMRS), NetLogger and more · site status
n9tpb.com · 73 de N9TPB