N9TPB FCC License Search
🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 2, 2026) · next update today 8:30 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

KR4D HAM

Amateur Extra class licensed since 2006 (20 yrs) KR4D since 2006 · previously AI4PV Trenton, SC grid EM93ap 79 repeaters within 50 mi
🔒 Not available — currently licensed, through Jun 10, 2036. If it isn't renewed, it opens for vanity requests Jun 11, 2038.

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

📝 KR4D has filed vanity applications before — latest filed May 23, 2006 · what was requested

Currently held by Douglas J Martins · 2 holders on record

Current holder: Douglas J Martins

Held KR4D Jun 10, 2006 → present · first licensed May 23, 2006 as AI4PV · 2 licenses · FRN 0014738231

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

Previous holder: VICTOR J SCHORN

Held KR4D Apr 29, 1999 → Dec 9, 2003 · first licensed Apr 29, 1999 as KR4D · 1 license · no FRN on file (pre-2001 records)

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

Vanity applications filed by KR4D

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 May 23, 2006
Granted Jun 19, 2026
0002624139
 AI4PV · Douglas J Martins · Amateur Extra
325 Blanchard Rd, North Augusta, SC 29841
33.5264, -81.9393 (ZIP center) · Grid EM93am · CQ 5 · ITU 8 · map ↗
1.KR4D ✓ granted
2.K0ALA held
 Granted
got KR4D

Others requesting KR4D

2 applications listed KR4D as a choice, newest first.

FiledAwardApplicantChoice #Status
Dec 15, 2017 Jan 2, 2018 KN4HGP · Kevin W Reeves · Madison, AL 14Dismissed
May 23, 2006 Jun 10, 2006 AI4PV · Douglas J Martins · North Augusta, SC 1Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KR4D in the last 24 hours. They show up here within seconds of KR4D beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

Repeaters within 50 miles

79 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
2.4 W4DV Trenton
W4DV EchoLink
 145.4900 -0.6 TSQL 71.9 FM (analog) EchoLink 128921 🗓 5 nets 5 nets · 414 check-ins · 89 stations Trenton, SC
2.4 W4DV Trenton
W4DV
 444.9500 +5 TSQL 71.9 FM (analog) 🗓 5 nets 5 nets · 414 check-ins · 89 stations Trenton, SC
8.0 W4DV Trenton
W4DV
 145.3900 -0.6 TSQL 71.9 FM (analog) 🗓 5 nets 5 nets · 414 check-ins · 89 stations Trenton, SC
8.0 W4DV Trenton
W4DV
 442.5500 +5 CC1 DMR 🗓 5 nets 5 nets · 414 check-ins · 89 stations Trenton, SC
10.1 WR4EC Edgefield
WR4EC
 146.8500 -0.6 TSQL 91.5 FM (analog) — Edgefield, SC
10.2 KE4RAP North Augusta
KE4RAP WIRES-X
 146.9400 -0.6 Fusion (C4FM) WIRES-X 92023 — North Augusta, SC
10.2 KE4RAP North Augusta
KE4RAP
 444.8000 +5 TSQL 146.2 FM (analog) — North Augusta, SC
10.6 K4NAB North Augusta
K4NAB
 146.7300 -0.6 none FM (analog) — North Augusta, SC
10.6 KG4HIR North Augusta
KG4HIR
 927.8000 -25 TSQL 146.2 FM (analog) — North Augusta, SC
10.7 N2ZZ Aiken Reg Med
N2ZZ EchoLink
 145.3500 -0.6 TSQL 156.7 FM (analog) EchoLink 5764 🗓 4 nets 4 nets · 97 check-ins · 62 stations Aiken, SC
10.7 WR4SC Aiken
WR4SC
 441.5250 +5 TONE 91.5 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Aiken, SC
12.8 WE4GW Martinez
WE4GW
 441.9000 +5 TSQL 123.0 FM (analog) — Martinez, GA
13.0 KR4AIK Aiken Old Hosp
KR4AIK
 145.1600 -0.6 none D-STAR — Aiken, SC
13.0 KR4AIK Aiken Old Hosp
KR4AIK
 443.4125 +5 none D-STAR — Aiken, SC
13.2 W4DV South Augusta
W4DV
 145.2900 -0.6 TSQL 71.9 FM (analog) 🗓 5 nets 5 nets · 414 check-ins · 89 stations South Augusta, GA
13.2 K4KNS Augusta Doctors
K4KNS
 145.4100 -0.6 TSQL 71.9 FM (analog) — Augusta, GA
13.2 W4DV South Augusta
W4DV
 147.1800 +0.6 TSQL 71.9 FM (analog) 🗓 5 nets 5 nets · 414 check-ins · 89 stations South Augusta, GA
13.2 N4ADM Aiken
N4ADM
 147.2850 +0.6 none FM (analog) — Aiken, SC
13.3 K4KNS Augusta Doctors
K4KNS
 444.6750 +5 TSQL 71.9 FM (analog) — Augusta, GA
13.3 W4DV North Augusta
W4DV
 145.1100 -0.6 TSQL 71.9 FM (analog) 🗓 5 nets 5 nets · 414 check-ins · 89 stations North Augusta, SC
13.7 KO4YYW Evans
KO4YYW BM
 439.4500 in 430.4500 CC1 DMR BrandMeister 3208182 — Evans, GA
13.8 WB6BA Evans
WB6BA
 440.6000 -5 none D-STAR — Evans, GA
14.1 N2ZZ Aiken
N2ZZ BM
 443.4625 +5 CC1 DMR BrandMeister 314500 🗓 4 nets 4 nets · 97 check-ins · 62 stations Aiken, SC
15.2 K4KNS Evans
K4KNS TGIF
 444.9000 +5 CC15 DMR TGIF — Evans, GA
15.5 WR4SC Beech Island
WR4SC NC-PRN
 444.2875 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 207 check-ins · 97 stations Beech Island, SC
15.8 K4KNS Evans
K4KNS EchoLink
 146.9850 -0.6 TSQL 71.9 FM (analog) EchoLink 730492 — Evans, GA
15.8 K4KNS Evans
K4KNS
 53.0300 -1 none FM (analog) — Evans, GA
16.1 N4ADI Aiken
N4ADI
 146.8050 -0.6 none FM (analog) — Aiken, SC
16.1 N4ADI Aiken
N4ADI
 440.7125 +5 none D-STAR — Aiken, SC
16.1 N4ADI Aiken
N4ADI
 443.0000 +5 none FM (analog) (DMR,FM) — Aiken, SC
16.1 N4ADI Aiken
N4ADI BM
 444.0375 +5 CC0 DMR BrandMeister 310972 — Aiken, SC
16.1 N4ADI Aiken
N4ADI
 927.7000 -25 none P25 — Aiken, SC
17.7 KM4LOD Beech Island
KM4LOD
 145.2600 -0.6 none FM (analog) (DV,FM) — Beech Island, SC
17.7 KM4LOD Beech Island
KM4LOD
 440.5500 +5 none FM (analog) (DV,FM) — Beech Island, SC
17.7 WR4SC Beech Island
WR4SC
 147.3450 +0.6 TONE 91.5 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Beech Island, SC
17.7 WR4SC Beech Island
WR4SC
 443.1250 +5 TONE 91.5 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Beech Island, SC
20.8 KK4CNM Grovetown
KK4CNM AllStar
 147.1950 +0.6 TONE 71.9 FM (analog) (FM,DMR,C4FM) AllStar 608490 EchoLink 602043 — Grovetown, GA
20.8 KK4CNM Grovetown
KK4CNM AllStar
 224.5000 -1.6 TSQL 71.9 FM (analog) (FM,DMR) AllStar 608490 EchoLink 602043 — Grovetown, GA
20.8 KK4CNM Grovetown
KK4CNM AllStar
 927.7250 -25 none FM (analog) (FM,DMR) AllStar 608490 EchoLink 602043 — Grovetown, GA
21.4 K1LVA Aiken
K1LVA AllStar
 145.7700 simplex TONE 131.8 FM (analog) AllStar 28249 EchoLink 179307 — Aiken, SC
21.5 KK4CNMR Grovetown
KK4CNMR TGIF
 224.5000 -1.6 CC1 DMR TGIF — Grovetown, GA
22.2 KF4NQN Monettta
KF4NQN AllStar
 446.6000 -5 TONE 156.7 FM (analog) AllStar 28575 — Monettta, SC
22.8 WK2Y Atlanta
WK2Y BM
 439.0000 -5 CC1 DMR BrandMeister 310199501 — Atlanta, SC
23.5 KJ4PYA Appling
KJ4PYA
 145.0800 in 146.4800 none D-STAR — Appling, GA
23.5 KJ4PYA Appling
KJ4PYA
 440.6500 +5 none D-STAR — Appling, GA
23.5 KJ4PYA Appling
KJ4PYA
 1249.0000 simplex none D-STAR — Appling, GA
23.8 K4KNS Appling
K4KNS
 145.1900 -0.6 TSQL 71.9 FM (analog) — Appling, GA
23.8 K4KNS Appling
K4KNS
 442.9000 +5 TSQL 71.9 FM (analog) — Appling, GA
26.0 W4FTK Saluda Sheriffs
W4FTK AllStar
 147.7500 -0.6 TONE 123.0 FM (analog) AllStar EchoLink 🗓 2 nets 2 nets · 540 check-ins · 248 stations Saluda, SC
26.0 AF4E Saluda Wtr Tank
AF4E AllStar
 146.9100 -0.6 TSQL 123.0 FM (analog) AllStar 458591 — Saluda, SC
29.1 W4RRC Leesville
W4RRC AllStar
 147.2550 +0.6 TONE 123.0 FM (analog) AllStar 50790 — Leesville, SC
29.9 KG4UAL Leesville
KG4UAL AllStar
 444.4000 +5 DCS 315 FM (analog) AllStar 558721 — Leesville, SC
30.9 KO4JVZ Hephzibah
KO4JVZ AllStar
 147.4200 simplex TONE 100.0 FM (analog) AllStar 53227 — Hephzibah, GA
31.0 W4ZKM Jackson
W4ZKM
 145.4500 -0.6 TSQL 123.0 FM (analog) — Jackson, SC
33.3 N5CWH Gilbert
N5CWH
 146.6550 -0.6 TSQL 156.7 FM (analog) — Gilbert, SC
33.3 KC4GYM Gilbert
KC4GYM IRLP
 224.5600 -1.6 TSQL 162.2 FM (analog) IRLP 4109 — Gilbert, SC
34.2 KD4IEZ Wrens
KD4IEZ SE
 444.1750 +5 CC1 DMR SE — Wrens, GA
39.0 KI4DPR Waynesboro
KI4DPR TGIF
 446.1250 -5 CC1 DMR TGIF — Waynesboro, GA
39.9 W4GWM Greenwood
W4GWM
 145.4200 -0.6 none D-STAR — Greenwood, SC
40.1 W4GWD Greenwood
W4GWD
 443.9000 +5 TONE 107.2 FM (analog) — Greenwood, SC
40.9 W4CDC Wrens
W4CDC
 147.1200 +0.6 TONE 71.9 FM (analog) — Wrens, GA
42.0 K4LLE Lexington S
K4LLE
 147.0000 +0.6 TSQL 123.0 FM (analog) (FM,P25) 🗓 2 nets 2 nets · 70 check-ins · 30 stations Lexington, SC
42.9 KK4BQ Barnwell
KK4BQ
 147.3750 +0.6 TONE 91.5 FM (analog) — Barnwell, SC
42.9 WR4SC Barnwell
WR4SC
 147.0300 +0.6 TSQL 156.7 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Barnwell, SC
44.1 KK4BQ Barnwell
KK4BQ
 147.0300 +0.6 TONE 156.7 FM (analog) — Barnwell, SC
44.1 WR4SC Barnwell
WR4SC NC-PRN
 440.6875 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 207 check-ins · 97 stations Barnwell, SC
44.1 WR4SC Barnwell
WR4SC
 442.0000 +5 TONE 91.5 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Barnwell, SC
44.8 N4VDE Abbeville
N4VDE BM
 443.9750 +5 CC1 DMR BrandMeister 312340 — Abbeville, SC
47.5 W4FTK Little Mt
W4FTK AllStar
 443.8750 +5 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 540 check-ins · 248 stations Little Mt, SC
47.6 W4FTK Little Mountain
W4FTK AllStar
 146.6250 -0.6 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 540 check-ins · 248 stations Little Mountain, SC
47.7 WR4SC Little Mountain
WR4SC
 147.2100 +0.6 TSQL 156.7 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Little Mountain, SC
47.7 N4UHF Little Mountain
N4UHF
 444.6500 +5 CC0 DMR — Little Mountain, SC
49.1 WR4SC Little Mountain
WR4SC NC-PRN
 443.5375 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 207 check-ins · 97 stations Little Mountain, SC
49.2 KI4CCZ Calhoun Falls
KI4CCZ
 444.0000 +5 TSQL 118.8 FM (analog) — Calhoun Falls, SC
49.2 KI4CCZ Calhoun Falls
KI4CCZ
 444.5750 +5 TSQL 103.5 FM (analog) — Calhoun Falls, SC
49.3 KJ4QLH Neeses
KJ4QLH
 147.0900 +0.6 TONE 156.7 FM (analog) — Neeses, SC
16.1 N4ADI offline Punta Gorda
N4ADI
 444.6500 +5 CC? DMR — Punta Gorda, FL
42.9 KK4BQ offline Barnwell
KK4BQ
 449.2500 -5 TONE 156.7 FM (analog) — Barnwell, SC
47.0 KG4GKY offline West Columbia
KG4GKY IRLP
 446.8750 simplex TSQL 79.7 FM (analog) IRLP 4045 — West Columbia, SC