N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 9:45 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

AG4BT HAM

Amateur Extra class licensed since 1990 (36 yrs) AG4BT since 2000 · previously KC4TZH Providence, KY grid EM67cj 68 repeaters within 50 mi
🔒 Not available — currently licensed, through Nov 19, 2030. If it isn't renewed, it opens for vanity requests Nov 20, 2032.

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

Currently held by Thomas H Vaughn · 1 holder on record

Current holder: Thomas H Vaughn

Held AG4BT Aug 17, 2000 → present · first licensed Nov 6, 1990 as KC4TZH · 2 licenses · FRN 0002665941

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

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for AG4BT in the last 24 hours. They show up here within seconds of AG4BT beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

Repeaters within 50 miles

68 repeaters within 50 miles of this ZIP code, 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 · center is the ZIP code (approximate) · 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
1.0 AG4BT Providence
AG4BT
 147.2550 +0.6 none FM (analog) — Providence, KY
10.1 AJ4SI Dixon
AJ4SI
 145.3500 -0.6 TONE 71.9 FM (analog) — Dixon, KY
15.8 KC4FRA Madisonville
KC4FRA
 146.6100 -0.6 TONE 100.0 FM (analog) — Madisonville, KY
15.8 KC4FIE Madisonville
KC4FIE
 442.7750 +5 TSQL 82.5 FM (analog) — Madisonville, KY
16.0 KK4RYS Madisonville
KK4RYS WIRES-X
 442.4250 +5 TSQL 82.5 FM (analog) (FM,C4FM) WIRES-X 11832 — Madisonville, KY
16.0 WB4JRO Madisonville
WB4JRO
 147.2700 +0.6 TSQL 77.0 FM (analog) (FM,C4FM) — Madisonville, KY
16.0 W4WKY Dawson S Outwood
W4WKY EchoLink
 443.2250 +5 TONE 77.0 FM (analog) (FM,C4FM) EchoLink 328998 — Dawson Springs, KY
16.0 KF4CWK Dawson Springs
KF4CWK
 146.7750 -0.6 none FM (analog) — Dawson Springs, KY
16.0 W4WKY Dawson Springs
W4WKY
 147.3150 +0.6 TSQL 82.5 FM (analog) (FM,C4FM) — Dawson Springs, KY
16.3 KK4RYS Madisonville
KK4RYS BM
 927.7000 -25 CC1 DMR BrandMeister 311987 — Madisonville, KY
17.7 KM4OIN Slaughters
KM4OIN
 146.7300 -0.6 TONE 82.5 FM (analog) — Slaughters, KY
18.6 KD9CHL Marion
KD9CHL
 443.4000 +5 TONE 100.0 FM (analog) — Marion, KY
18.7 W4KBL Princeton Vocati
W4KBL AllStar
 145.2300 -0.6 TSQL 179.9 FM (analog) AllStar 663330 EchoLink 328998 — Princeton, KY
18.8 W4KBL Princeton Vocati
W4KBL AllStar
 444.1750 +5 TSQL 123.0 FM (analog) (FM,C4FM) WIRES-X 40806 AllStar 663331 — Princeton, KY
18.9 K4GFX Fredonia Crayne
K4GFX EchoLink
 147.2850 +0.6 TSQL 100.0 FM (analog) EchoLink 186083 — Fredonia, KY
18.9 K4GFX Fredonia Crayne
K4GFX
 444.8250 +5 TSQL 100.0 FM (analog) — Fredonia, KY
22.6 KM4RWG Nortonville
KM4RWG BM
 441.9500 +5 CC1 DMR BrandMeister 311992 — Nortonville, KY
28.0 KJ4HNC Uniontown
KJ4HNC WIRES-X
 145.2900 -0.6 TSQL 77.0 FM (analog) (C4FM,FM) WIRES-X 61881 WIRES-X 51881 — Uniontown, KY
29.8 KY4KEN Cerulean
KY4KEN
 147.1950 +0.6 TONE 136.5 FM (analog) — Cerulean, KY
32.5 W4KVK Henderson
W4KVK WIRES-X
 145.4900 -0.6 TONE 103.5 FM (analog) (FM,C4FM) WIRES-X 36104 — Henderson, KY
32.5 WA4GDU Henderson
WA4GDU
 146.9700 -0.6 TONE 82.5 FM (analog) — Henderson, KY
34.8 WA4GDU Henderson WEHT
WA4GDU IRLP
 444.7250 +5 TONE 82.5 FM (analog) IRLP 8331 — Henderson, KY
37.3 N1YKT Hopkinsville
N1YKT AllStar
 145.2800 -0.6 TONE 82.5 FM (analog) AllStar 623121 🗓 1 net 1 net Hopkinsville, KY
37.4 N1YKT Hopkinsville
N1YKT BM
 442.4500 +5 CC1 DMR BrandMeister 314133 — Hopkinsville, KY
37.4 N1YKT Hopkinsville
N1YKT AllStar
 442.6500 +5 TONE 192.8 FM (analog) AllStar 62312 AllStar 623120 — Hopkinsville, KY
37.4 WJ4C Hopkinsville Tra
WJ4C WIRES-X
 442.5000 +5 TONE 103.5 FM (analog) (FM,C4FM) WIRES-X 30312 — Hopkinsville, KY
37.5 K4ULE Hopkinsville Tra
K4ULE WIRES-X
 147.0300 +0.6 TSQL 103.5 FM (analog) (FM,C4FM) WIRES-X 30266 — Hopkinsville, KY
38.4 N9PDL Evansville
N9PDL BM
 430.4625 in 439.4625 CC14 DMR BrandMeister 318296605 — Evansville, IN
38.5 K9OWU Herod Williams
K9OWU
 444.8000 +5 TSQL 88.5 FM (analog) (FM,C4FM) — Herod, IL
39.3 N4OTS Utica
N4OTS BM
 440.6500 +5 CC1 DMR BrandMeister 315173 — Utica, KY
39.4 N9WYN Town L0C4T0R
N9WYN BM
 444.9500 +5 CC1 DMR BrandMeister 318834001 — Town, L0C4T0R, IN
39.5 N1YKT Hopkinsville
N1YKT AllStar
 444.7500 +5 TSQL 88.5 FM (analog) AllStar 61635 EchoLink 143122 — Hopkinsville, KY
39.5 N1YKT Hopkinsville
N1YKT AllStar
 442.3750 +5 TSQL 88.5 FM (analog) AllStar 61635 EchoLink 143122 — Hopkinsville, KY
40.6 WS9CAN Herod Williams
WS9CAN
 145.3700 -0.6 Fusion (C4FM) — Herod, IL
40.6 WS9CAN Herod Williams
WS9CAN
 146.8800 -0.6 TSQL 88.5 FM (analog) — Herod, IL
41.8 W9OG Evansville
W9OG
 146.8350 -0.6 Fusion (C4FM) — Evansville, IN
42.2 W9KXP Evansville
W9KXP AllStar
 146.8350 -0.6 none FM (analog) AllStar 54691 EchoLink 883482 IRLP 80 WIRES-X 43844 — Evansville, IN
42.5 N9QMG Owensboro
N9QMG BM
 441.6250 +5 CC1 DMR BrandMeister 310378813 — Owensboro, KY
42.6 W9OG Evansville Deaco
W9OG
 147.1500 +0.6 Fusion (C4FM) — Evansville, IN
42.6 K9EPD
Listed as K9EPD MIDTOWN
 Evansville Deaco
K9EPD BM
 444.2500 +5 CC1 DMR BrandMeister 313159 — Evansville, IN
43.1 KD4BOH Rockport
KD4BOH
 444.0750 +5 TONE 77.0 FM (analog) — Rockport, KY
43.4 K9EPD Evansville
K9EPD BM
 441.5000 +5 CC1 DMR BrandMeister 315023 — Evansville, IN
43.8 K4HY Owensboro Roosev
K4HY
 444.9625 +5 CC1 DMR — Owensboro, KY
44.2 KG4LHQ OWENSBORO
KG4LHQ BM
 444.9625 +5 CC1 DMR BrandMeister 312104 — OWENSBORO, KY
44.2 WB0NEX Owensboro
WB0NEX WIRES-X
 147.2100 +0.6 DG-ID 00-00 Fusion (C4FM) WIRES-X 74077 — Owensboro, KY
44.3 KC9SOC Newburgh DG Hosp
KC9SOC
 145.1100 -0.6 TSQL 136.5 FM (analog) (FM,C4FM) 🗓 1 net 1 net · 36 check-ins · 14 stations Newburgh, IN
44.4 K9KDJ Newburgh
K9KDJ BM
 439.5500 +5 CC1 DMR BrandMeister 316302305 — Newburgh, IN
44.7 KI4HUS Draffenville
KI4HUS EchoLink
 145.3900 -0.6 TONE 118.8 FM (analog) EchoLink 328811 🗓 1 net 1 net Draffenville, KY
44.8 AE9OZ Newburgh
AE9OZ
 145.4300 -0.6 TSQL 136.5 FM (analog) (FM,C4FM) — Newburgh, IN
45.0 K4HY Owensboro Roosev
K4HY EchoLink
 145.3300 -0.6 TSQL 103.5 FM (analog) EchoLink 999345 — Owensboro, KY
45.0 N4WJS Owensboro
N4WJS
 146.6900 -0.6 TONE 110.9 FM (analog) — Owensboro, KY
45.0 K9EPD Evansville
K9EPD BM
 442.1875 +5 CC1 DMR BrandMeister 311836 — Evansville, IN
45.1 W9DWH Owensboro
W9DWH AllStar
 431.9750 simplex TONE 103.5 FM (analog) AllStar 516440 EchoLink 6764 — Owensboro, KY
45.6 W9KXP Herald
W9KXP
 147.3000 +0.6 DCS 023 FM (analog) — Herald, IL
45.9 K4HY Owensboro Greenw
K4HY
 147.2100 +0.6 TSQL 146.2 FM (analog) (FM,C4FM) — Owensboro, KY
47.1 KN4CG Jonathan Creek
KN4CG
 146.9850 -0.6 TONE 123.0 FM (analog) — Jonathan Creek, KY
47.8 W4RRA Agnes Lk Malone
W4RRA AllStar
 145.4500 -0.6 TSQL 77.0 FM (analog) AllStar 506793 EchoLink 145934 — Agnes, KY
48.6 KI4HUS Benton MR Squad
KI4HUS
 443.5000 +5 TSQL 118.8 FM (analog) 🗓 1 net 1 net Benton, KY
49.1 W4MSI Elkton Jefferson
W4MSI AllStar
 146.7000 -0.6 DCS 115 FM (analog) AllStar 506792 EchoLink 266101 — Elkton, KY
49.3 KY4WHT Beaver Dam
KY4WHT
 145.1700 -0.6 TONE 136.5 FM (analog) — Beaver Dam, KY
49.4 W4MSI Oak Grove Fort
W4MSI AllStar
 444.1250 +5 DCS 122 FM (analog) AllStar 506791 — Oak Grove, KY
50.0 W4NJA Paducah
W4NJA EchoLink
 147.0600 +0.6 TSQL 179.9 FM (analog) EchoLink 458276 🗓 2 nets 2 nets · 101 check-ins · 41 stations Paducah, KY
50.0 KD4DVI Paducah
KD4DVI
 147.1200 +0.6 TSQL 179.9 FM (analog) (FM,C4FM) — Paducah, KY
39.5 WD9HIK offline Hopkinsville
WD9HIK
 224.7800 -1.6 none FM (analog) — Hopkinsville, KY
43.7 KM4CC offline Utica
KM4CC IRLP
 146.8650 -0.6 TONE 82.5 FM (analog) IRLP 8331 — Utica, KY
45.0 KI4JXN offline Owensboro
KI4JXN
 444.5500 +5 TONE 103.5 FM (analog) — Owensboro, KY
45.6 KD4BOH offline Pleasant Ridge
KD4BOH
 145.2700 -0.6 TONE 77.0 FM (analog) — Pleasant Ridge, KY
50.0 KY4OEM offline Paducah
KY4OEM
 146.7600 -1.6 TSQL 179.9 FM (analog) — Paducah, KY