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
WK4F
Currently held by WILLIAM D CLARK JR
· 3 holders on record
Current holder: WILLIAM D CLARK JR
Held WK4F May 21, 2019 → present
· first licensed Oct 22, 2014 as KM4FDM
· 3 licenses · FRN 0024029050
WK4F
Active
Amateur Extra · vanity
May 21, 2019 → expires May 21, 2029
Licensee WILLIAM D CLARK JR
Address 257 Bohler Drive EVANS, GA 30809
33.5232, -82.1343 (street) · Grid
EM83wm · CQ 5 · ITU 8 ·
map ↗
FRN 0024029050
Previous call KA4DNS (General)
Last granted May 21, 2019
Effective Jun 28, 2022
Last action Jun 28, 2022
FCC actions (3)
Jun 28, 2022 — FCC action LIAUA May 21, 2019 — Vanity call sign granted VANGRT May 21, 2019 — License issued LIISS
KA4DNS
Canceled
Amateur Extra · vanity
Dec 5, 2014 → May 21, 2019 (canceled)
Licensee WILLIAM D CLARK JR
Address 502 FORT AUGUSTA ST EVANS, GA 30809
33.5585, -82.1712 (ZIP center) · Grid
EM83vn · CQ 5 · ITU 8 ·
map ↗
FRN 0024029050
Previous call KM4FDM (General)
Last granted Dec 5, 2014
Effective Mar 11, 2019
Last action May 21, 2019
FCC actions (5)
May 21, 2019 — License canceled LICAN Mar 11, 2019 — License modified LIMOD Sep 10, 2018 — License modified LIMOD Dec 5, 2014 — Vanity call sign granted VANGRT Dec 5, 2014 — License issued LIISS
KM4FDM
Canceled
Technician
Oct 22, 2014 → Dec 5, 2014 (canceled)
Licensee William D Clark Jr
Address 502 Fort Augusta St Evans, GA 30809
33.5585, -82.1712 (ZIP center) · Grid
EM83vn · CQ 5 · ITU 8 ·
map ↗
FRN 0024029050
Last granted Oct 22, 2014
Effective Oct 22, 2014
Last action Dec 5, 2014
FCC actions (3)
Dec 5, 2014 — License canceled LICAN Oct 22, 2014 — License issued LIISS Oct 22, 2014 — 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 27, 2024 → Sep 27, 2026 · 11 snapshots · as WK4F
WILLIAM D CLARK JR
257 Bohler Drive, EVANS, GA 30809
33.5232, -82.1343 (street) · Grid
EM83wm · CQ 5 · ITU 8 ·
map ↗
Seen Mar 28, 2015 → Sep 27, 2026 · 71 snapshots · as KM4FDM
William D Clark Jr
502 Fort Augusta St, Evans, GA 30809
33.5585, -82.1712 (ZIP center) · Grid
EM83vn · CQ 5 · ITU 8 ·
map ↗
Previous holder: Robert L Trapp
Held WK4F May 1, 2007 → May 1, 2017
· first licensed Jan 5, 2006 as KB3PR
· 3 licenses · FRN 0014495287
WK4F
Expired
Amateur Extra · vanity
May 1, 2007 → May 1, 2017 (expired)
Licensee Robert L Trapp
Address Attn: Robert L Trapp 809 S Poplar Ave Andrews, SC 29510
33.4543, -79.6131 (ZIP center) · Grid
FM03ek · CQ 5 · ITU 8 ·
map ↗
FRN 0014495287
Previous call KV4HP (Advanced)
Last granted May 1, 2007
Effective May 1, 2007
Last action May 2, 2019
FCC actions (3)
May 2, 2019 — License expired LIEXP May 1, 2007 — Vanity call sign granted VANGRT May 1, 2007 — License issued LIISS
KV4HP
Canceled
Amateur Extra
Jan 5, 2006 → May 1, 2007 (canceled)
Licensee Robert L Trapp
Address 809 S Poplar Ave Andrews, SC 29510
33.4543, -79.6131 (ZIP center) · Grid
FM03ek · CQ 5 · ITU 8 ·
map ↗
FRN 0014495287
Previous call KB3PR (Advanced)
Last granted Jan 5, 2006
Effective Apr 12, 2007
Last action May 1, 2007
FCC actions (5)
May 1, 2007 — License canceled LICAN Apr 12, 2007 — FCC action LIAUA May 26, 2006 — License modified LIMOD Jan 9, 2006 — Systematic call sign granted SYSGRT Jan 9, 2006 — License issued LIISS
KB3PR
Canceled
Advanced
Jan 5, 2006 → Jan 9, 2006 (canceled)
Licensee ROBERT L TRAPP
Address 809 S POPLAR AVE ANDREWS, SC 29510
33.4543, -79.6131 (ZIP center) · Grid
FM03ek · CQ 5 · ITU 8 ·
map ↗
FRN 0014495287
Last granted Jan 5, 2006
Effective Jan 5, 2006
Last action Jan 9, 2006
FCC actions (3)
Jan 9, 2006 — License canceled LICAN Jan 5, 2006 — License renewed LIREN Jan 5, 2006 — FCC action LITIN
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen May 27, 2010 → Sep 27, 2026 · 138 snapshots · as KB3PR
ROBERT L TRAPP
809 S POPLAR AVE, ANDREWS, SC 29510
33.4543, -79.6131 (ZIP center) · Grid
FM03ek · CQ 5 · ITU 8 ·
map ↗
Seen Nov 7, 2004 · 1 snapshot · as KB3PR
ROBERT L TRAPP
9625 E PINE VALLEY RD, SCOTTSDALE, AZ 85260
33.6081, -111.8892 (ZIP center) · Grid
DM43bo · CQ 3 · ITU 6 ·
map ↗
Previous holder: WILLIAM J HELWIG
Held WK4F Jun 20, 1997 → Oct 20, 2000
· first licensed Jun 20, 1997 as WK4F
· 1 license · no FRN on file (pre-2001 records)
WK4F
Canceled
Amateur Extra
Jun 20, 1997 → Oct 20, 2000 (canceled)
Licensee WILLIAM J HELWIG
Address 1898 ROCK CHURCH RD CHARLOTTE, TN 37036
36.2350, -87.2613 (ZIP center) · Grid
EM66if · CQ 4 · ITU 8 ·
map ↗
Last granted Jun 20, 1997
Effective Jun 20, 1997
Last action Mar 19, 2007
FCC actions (2)
Mar 19, 2007 — FCC action COR Mar 19, 2007 — FCC action COR
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as WK4F
WILLIAM J HELWIG
1898 ROCK CHURCH RD, CHARLOTTE, TN 37036
36.2350, -87.2613 (ZIP center) · Grid
EM66if · CQ 4 · ITU 8 ·
map ↗
Repeaters within 50 miles
23 repeaters within 50 miles of this address, closest first
· map these & export for a radio →
Miles Call Output Offset Tone Mode Networks Location
1.4
KO4YYW
439.4500
in 430.4500
CC1
DMR
BrandMeister 3208182
Evans, GA
3.1
K4KNS
444.9000
+5
CC15
DMR
TGIF
Evans, GA
6.6
KK4CNMR
224.5000
-1.6
CC1
DMR
TGIF AllStar 608490
Grovetown, GA
15.6
WR4SC
147.3450
+0.6
TSQL 91.5
FM (analog)
🗓 1 net
Beech Island, SC
15.6
WR4SC
443.1250
+5
TSQL 91.5
FM (analog)
🗓 1 net
Beech Island, SC
19.1
KO4JVZ
147.4200
simplex
TONE 100.0
FM (analog)
AllStar 53227
Hephzibah, GA
23.0
WR4EC
146.8500
-0.6
TSQL 91.5
FM (analog)
Edgefield, SC
23.6
N4ADI
444.0375
+5
CC1
DMR
BrandMeister 310972
Aiken, SC
23.9
WR4SC
441.5250
+5
TSQL 91.5
FM (analog)
🗓 1 net
Aiken, SC
24.5
WK2Y
439.0000
-5
CC1
DMR
BrandMeister 310199501
Atlanta, SC
25.4
N2ZZ Listed as N2ZZ-AIKEN
443.4625
+5
CC1
DMR
BrandMeister 314500
Aiken, SC
26.3
KD4IEZ
444.1750
+5
CC1
DMR
SE
Wrens, GA
30.6
KI4DPR
446.1250
-5
CC1
DMR
TGIF
Waynesboro, GA
37.3
KF4NQN
446.6000
-5
TONE 156.7
FM (analog)
AllStar 28575
Monettta, SC
44.1
W4RRC
147.2550
+0.6
TONE 123.0
FM (analog)
AllStar 50790
Leesville, SC
46.5
WR4SC
443.8375
+5
CC1
DMR
NC-PRN 🗓 1 net
Greenwood, SC
46.5
WR4SC
441.6250
+5
TSQL 91.5
FM (analog)
🗓 1 net
Greenwood, SC
47.4
N4VDE
443.9750
+5
CC1
DMR
BrandMeister 312340
Abbeville, SC
48.4
WR4SC
440.6875
+5
CC1
DMR
NC-PRN 🗓 1 net
Barnwell, SC
48.7
WR4SC
147.0300
+0.6
TSQL 156.7
FM (analog)
🗓 1 net
Barnwell, SC
48.7
WR4SC
442.0000
+5
TSQL 91.5
FM (analog)
🗓 1 net
Barnwell, SC
25.5
N4ADI offline
444.6500
+5
CC?
DMR
Punta Gorda, FL
48.3
KC4GYM offline
224.5600
-1.6
TSQL 162.2
FM (analog)
IRLP 4109
Leesville, SC
Vanity requests for WK4F
9 applications listed WK4F as a choice, newest first.
Filed Award Applicant Choice # Status
Aug 27, 2025
Sep 14, 2025
N7WU · JAMES R HARPER · Lebanon, VA
14 Granted May 21, 2019
Jun 8, 2019
K4WCV · ROBERT P MILBACK · DURHAM, NC
3 Dismissed May 2, 2019
May 20, 2019
KA4DNS · WILLIAM D CLARK JR · EVANS, GA
2 Granted Apr 29, 2019
May 17, 2019
K4WCV · ROBERT P MILBACK · DURHAM, NC
2 Dismissed Apr 11, 2007
Apr 29, 2007
KV4HP · Robert L Trapp · Andrews, SC
6 Granted Apr 10, 2007
Apr 28, 2007
KI4TLT · CHARLES W WESTER · CUMMING, GA
4 Granted Apr 3, 2007
Apr 21, 2007
KB8RXM · TIMOTHY R WRIGHT · Perry, FL
6 Granted Mar 20, 2007
Apr 7, 2007
KI4TRN · Benjamin D Odom · Signal Mountain, TN
7 Granted Mar 19, 2007
Apr 6, 2007
KI4SJV · Steven J Cain · Kennesaw, GA
4 Granted
Data: FCC Universal Licensing System, amateur service · refreshed nightly
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