N9TPB FCC License Search
🕒 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

K4SDX HAM

Amateur Extra class licensed since 2006 (20 yrs) K4SDX since 2006 · previously KI4NDQ Holladay, TN grid EM55wt 59 repeaters within 50 mi
🔒 Not available — currently licensed, through Feb 7, 2036. If it isn't renewed, it opens for vanity requests Feb 8, 2038.

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

📝 K4SDX has filed vanity applications before — latest filed Jan 18, 2006 · what was requested

Currently held by Daniel E Sullivan · 1 holder on record

Current holder: Daniel E Sullivan

Held K4SDX Feb 7, 2006 → present · first licensed Jan 12, 2006 as KI4NDQ · 2 licenses · FRN 0014526628

Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Vanity applications filed by K4SDX

Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.

Filed · AwardApplicantRequested (in order)Status
Filed Jan 18, 2006
Granted Jan 1, 2026
0002446420
 KI4NDQ · Daniel E Sullivan · Technician
Attn: Daniel E. Sullivan · 945 Grooms Rd, Holladay, TN 38341
35.8776, -88.0839 (ZIP center) · Grid EM55wv · CQ 4 · ITU 8 · map ↗
1.K4SDX ✓ granted
2.W4SDX held
3.W4DXS held
4.K4XDS held
5.W4XDS held
10.A4DES
11.N4DES held
12.A4SDX
13.A4DXS
14.K4SDE held
15.W4SDE available
16.K4DSE available
17.W4DSE held
18.WX4SDX
19.WZ4SDX
20.KZ4SDX
21.W4DNL
22.A4DNL
23.N4DNL
24.N4DAN held
25.K4DEW held
 Granted
got K4SDX

Others requesting K4SDX

4 applications listed K4SDX as a choice, newest first.

FiledAwardApplicantChoice #Status
Apr 10, 2006 Apr 28, 2006 KI4GYN · Samuel D Smith · Anderson, SC 4Dismissed
Jan 18, 2006 Feb 5, 2006 KI4NDQ · Daniel E Sullivan · Holladay, TN 1Granted
Nov 21, 2000 Dec 9, 2000 K4WXX · JAMES D BLANKENSHIP · MOULTON, AL 6Granted
Jan 18, 2000 Feb 5, 2000 WA4TDY · BENJAMIN B BALDWIN · ARAGON, GA 6Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K4SDX in the last 24 hours. They show up here within seconds of K4SDX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

Repeaters within 50 miles

59 repeaters within 50 miles of this address, closest first · sort: closest · most active · map these & export for a radio →

● confirmed on the air · ● probably · ● reported off the air · ● unknown · ◉ this license · ring = 50 miles · click a dot for the repeater's page
● confirmed on the air · ● probably · ● reported off the air · no dot = unknown (hover a dot for the evidence)
MilesCallNameOutputOffsetToneModeNetworksActivityLocation
12.2 KQ4MWO Parsons
KQ4MWO BM
 441.7250 -1 CC1 DMR BrandMeister 3205648 — Parsons, TN
13.4 WA4VVX Lobelville
WA4VVX
 145.4300 -0.6 TONE 114.8 FM (analog) — Lobelville, TN
16.1 KA4P Decaturville
KA4P
 443.3250 +5 TSQL 131.8 FM (analog) — Decaturville, TN
16.8 KF4ZGK Camden
KF4ZGK
 145.4900 -0.6 TONE 123.0 FM (analog) — Camden, TN
17.6 KM4EUG Lexington
KM4EUG
 147.0750 +0.6 TSQL 107.2 FM (analog) — Lexington, TN
18.1 WA4VVX Lobelville
WA4VVX
 442.8500 +5 TONE 107.2 FM (analog) — Lobelville, TN
22.3 KF4ZGK Huntingdon Carro
KF4ZGK
 146.8350 -0.6 TONE 123.0 FM (analog) — Huntingdon, TN
22.3 KO4PKJ Huntingdon Wtr
KO4PKJ
 146.1150 +0.6 TSQL 141.3 FM (analog) — Huntingdon, TN
22.3 KO4PKJ Huntingdon Wtr
KO4PKJ
 146.7150 -0.6 TSQL 141.3 FM (analog) — Huntingdon, TN
22.5 KG4LTU Huntingdon
KG4LTU
 147.3300 +0.6 TSQL 131.8 FM (analog) — Huntingdon, TN
27.1 N9KOR Huntingdon OS Rd
N9KOR
 443.6500 +5 TSQL 123.0 FM (analog) — Huntingdon, TN
30.7 NQ4U Medina
NQ4U BM
 442.8125 +5 CC1 DMR BrandMeister 312162 — Medina, TN
31.2 AF4OQ Enville
AF4OQ AllStar
 147.1950 +0.6 TONE 94.8 FM (analog) AllStar 654783 EchoLink 156263 — Enville, TN
32.9 NO4Q McEwen Wtr
NO4Q
 443.3750 +5 TONE 114.8 FM (analog) 🗓 1 net 1 net · 7 check-ins · 7 stations McEwen, TN
33.1 NO4Q McEwen Wtr
NO4Q
 147.2250 +0.6 TONE 114.8 FM (analog) 🗓 1 net 1 net · 7 check-ins · 7 stations McEwen, TN
33.6 KO4FBY HENDERSON
KO4FBY BM
 439.0000 -5 CC1 DMR BrandMeister 3181681 — HENDERSON, TN
34.1 WA4BJY Oakfield
WA4BJY
 147.3900 +0.6 TSQL 162.2 FM (analog) (FM,C4FM) — Oakfield, TN
34.7 KN4KAN Enville
KN4KAN BM
 444.3500 +5 CC1 DMR BrandMeister 315056 — Enville, TN
35.6 KG4UHH Nunnelly
KG4UHH
 444.0750 +5 TONE 100.0 FM (analog) — Nunnelly, TN
35.7 KI4DAD Centerville
KI4DAD
 442.5500 +5 TONE 123.0 FM (analog) — Centerville, TN
35.7 N4XW Centerville
N4XW
 443.7000 +5 TONE 123.0 FM (analog) — Centerville, TN
35.8 KJ4ISZ Paris
KJ4ISZ
 147.3600 +0.6 TONE 123.0 FM (analog) — Paris, TN
36.0 K4HRC Hohenwald
K4HRC
 146.8950 -0.6 TSQL 100.0 FM (analog) — Hohenwald, TN
36.0 K4HRC Hohenwald
K4HRC
 444.8500 +5 TONE 100.0 FM (analog) — Hohenwald, TN
37.5 KA4BNI Milan
KA4BNI
 442.6750 +5 TSQL 131.8 FM (analog) — Milan, TN
37.5 NQ4U
Listed as NQ4U MEDINA
 Medina
NQ4U BM
 145.4400 -0.6 CC1 DMR BrandMeister 312279 — Medina, TN
37.7 WT4WA Medina
WT4WA
 146.9700 -0.6 TONE 107.2 FM (analog) — Medina, TN
38.6 KD9PK Finger
KD9PK
 444.2250 +5 none FM (analog) (FM,P25) — Finger, TN
38.6 KA4BNI Jackson
KA4BNI BM
 443.7125 +5 CC1 DMR BrandMeister 310543 — Jackson, TN
38.9 W4YHY Tenn Wells Creek
W4YHY
 145.2500 -0.6 TONE 100.0 FM (analog) — Tennessee Ridge, TN
38.9 AG4NX Adamsville
AG4NX
 145.0000 simplex none FM (analog) — Adamsville, TN
39.3 KF4TNP Waynesboro
KF4TNP
 443.1000 +5 none P25 — Waynesboro, TN
39.3 KF4AKV Waynesboro
KF4AKV
 443.9500 +5 TONE 100.0 FM (analog) — Waynesboro, TN
39.6 KA4BNI Gleason
KA4BNI IRLP
 145.4700 -0.6 TSQL 100.0 FM (analog) (DMR,FM) EchoLink 412564 IRLP 4364 BrandMeister 312247 — Gleason, TN
40.0 KU4RT Henderson FS 1
KU4RT
 147.1050 +0.6 TSQL 156.7 FM (analog) — Henderson, TN
41.7 KA4ESF Savannah
KA4ESF
 146.7000 -0.6 TSQL 123.0 FM (analog) — Savannah, TN
41.7 WV4P Savannah
WV4P
 442.8000 +5 TONE 131.8 FM (analog) — Savannah, TN
41.7 K4SDS Savannah Courtho
K4SDS
 146.4350 simplex none FM (analog) — Savannah, TN
42.3 NE4MA Jackson
NE4MA
 145.0800 in 146.4800 none D-STAR — Jackson, TN
42.3 KA4BNI Jackson
KA4BNI
 224.2400 -1.6 TONE 131.8 FM (analog) — Jackson, TN
42.3 NE4MA Jackson
NE4MA
 444.4500 +5 TSQL 123.0 FM (analog) — Jackson, TN
42.3 KA4BNI Jackson
KA4BNI
 444.8750 +5 TSQL 131.8 FM (analog) (FM,P25) — Jackson, TN
42.4 KF4SC Jackson
KF4SC
 145.3100 -0.6 TSQL 107.2 FM (analog) — Jackson, TN
42.6 WF4Q Jackson
WF4Q
 147.2100 +0.6 TSQL 107.2 FM (analog) (FM,C4FM) — Jackson, TN
42.8 WF4Q Jackson Hosp
WF4Q
 145.1700 -0.6 TONE 107.2 FM (analog) — Jackson, TN
42.9 N4XVX Lyles
N4XVX
 147.0900 +0.6 TONE 123.0 FM (analog) — Lyles, TN
43.4 KA4BNI Martin
KA4BNI BM
 444.7125 +5 CC1 DMR BrandMeister 310544 — Martin, TN
45.4 KA4BNI Dresden
KA4BNI BM
 442.1500 +5 TSQL 131.8 FM (analog) (DMR,FM) BrandMeister 311062 — Dresden, TN
45.6 K4JTM Dresden Weakley
K4JTM AllStar
 443.6000 +5 TONE 100.0 FM (analog) AllStar 667192 EchoLink 241352 — Dresden, TN
45.8 WM4Q Bon Aqua
WM4Q WIRES-X
 145.2900 -0.6 TSQL 114.8 FM (analog) (C4FM,FM) WIRES-X 55769 WIRES-X 73499 — Bon Aqua, TN
46.0 N4WCB Tenn Wells Creek
N4WCB
 443.1000 +5 TONE 100.0 FM (analog) — Tennessee Ridge, TN
47.2 KB4IBW Dresden
KB4IBW
 53.1300 -0.5 TSQL 107.2 FM (analog) — Dresden, TN
47.2 KB4IBW Dresden
KB4IBW WIRES-X
 145.1500 -0.6 TSQL 100.0 FM (analog) (DMR,DV,FM) WIRES-X 52834 — Dresden, TN
47.4 KQ4PBY Dickson
KQ4PBY BM
 146.2500 in 144.2500 CC1 DMR BrandMeister 3209813 — Dickson, TN
48.4 WT4WA Trenton
WT4WA
 146.8650 -0.6 TSQL 127.3 FM (analog) — Trenton, TN
49.3 N4FOX Cumberland Furna
N4FOX AllStar
 145.3300 -0.6 CC7 DMR BrandMeister 314941 AllStar 66502 AllStar 66593 — Cumberland Furnace, TN
49.7 N4FOX Cumberland Furna
N4FOX BM
 440.3300 +5 CC7 DMR BrandMeister 320959407 — Cumberland Furnace, TN
20.9 KA4BNI offline Dresden
KA4BNI
 442.4000 -0.6 CC? DMR — Dresden, TN
42.9 KI4DAD offline Lyles
KI4DAD
 443.8500 +5 TONE 123.0 FM (analog) — Lyles, TN