N9TPB FCC License Search
🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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

K4TPC

🔒 Not available — currently licensed, through Oct 15, 2031. If it isn't renewed, it opens for vanity requests Oct 16, 2033.

📬 QSL: LoTW user, last upload Jan 5, 2026 · not eQSL AG

📝 K4TPC has filed vanity applications before — latest filed Sep 27, 2021 · what was requested

Currently held by Thomas P Chiprowski · 3 holders on record

Current holder: Thomas P Chiprowski

Held K4TPC Oct 15, 2021 → present · first licensed Sep 27, 2021 as KO4TOC · 2 licenses · FRN 0010874055

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

Previous holder: Thomas P Carroll

Held K4TPC Feb 8, 2014 → Apr 15, 2014 · first licensed Apr 17, 2001 as N7WTK · 3 licenses · FRN 0004630364

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

Previous holder: GERALD W JACKSON

Held K4TPC Feb 6, 1998 → Jun 2, 2004 · first licensed Feb 6, 1998 as K4TPC · 3 licenses · FRN 0002564151

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

Vanity applications filed by K4TPC

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 Sep 27, 2021
Granted Oct 15, 2021
0009729255
 KO4TOC · Thomas P Chiprowski · General
Attn: Thomas P Chiprowski · 303 Huckstep Ave, Stafford, VA 22556
38.4723, -77.4768 (street) · Grid FM18gl · CQ 5 · ITU 8 · map ↗
1.K4TPC ✓ granted
2.K4ATT held
3.K4OPS held
4.K4TOC held
5.K4JOC held
 Granted
got K4TPC
Filed Mar 27, 2014
Granted Feb 29, 2024
0006217761
 K4TPC · Thomas P Carroll · Amateur Extra
3 Lake Ave, Mary Esther, FL 32569
30.4114, -86.7284 (ZIP center) · Grid EM60pj · CQ 5 · ITU 8 · map ↗
1.KY4YY ✓ granted
3.KY4BY available
 Granted
got KY4YY
Filed May 13, 2004
Granted Jun 2, 2004
0001735273
 K4TPC · GERALD W JACKSON · General
195 CHERRY ST, OHATCHEE, AL 36271
33.7812, -86.0187 (ZIP center) · Grid EM63xs · CQ 4 · ITU 8 · map ↗
1.K4JOJ ✓ granted
 Granted
got K4JOJ
Filed Feb 24, 2004
Award date was Mar 13, 2004
0001629107
 K4TPC · GERALD W JACKSON · General
195 CHERRY ST, OHATCHEE, AL 36271
33.7812, -86.0187 (ZIP center) · Grid EM63xs · CQ 4 · ITU 8 · map ↗
1.K4KOJ available
 Dismissed

Others requesting K4TPC

3 applications listed K4TPC as a choice, newest first.

FiledAwardApplicantChoice #Status
Sep 27, 2021 Oct 15, 2021 KO4TOC · Thomas P Chiprowski · Stafford, VA 1Granted
Mar 28, 2019 Apr 15, 2019 KE0VAN · Trenton P Cassibry · Colorado Springs, CO 14Granted
Jan 21, 2014 Feb 8, 2014 N7WTK · Thomas P Carroll · Mary Esther, FL 1Granted

Repeaters within 50 miles

109 repeaters within 50 miles of this address, closest first · map these & export for a radio →

● repeater · ● 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)
MilesCallOutputOffsetToneModeNetworksLocation
0.6 KQ4TNV 446.4125 -5 CC1 DMR BrandMeister 314452 Staford, VA
3.5 KR4KMS 449.5000 -5 CC7 DMR BrandMeister 322289401 Stafford, VA
4.3 W4AVA 146.6250 -0.6 TSQL 107.2 FM (analog) Stafford, VA
8.0 W4IY 147.2400 +0.6 TSQL 107.2 FM (analog) EchoLink Woodbridge, VA
12.0 AE4ML 442.4000 +5 CC1 DMR BrandMeister 310747 DMRVA Spotsylvania, VA
12.0 N8RAT 442.1125 +5 CC1 DMR DMRVA Fredericksburg, VA
12.3 K4MMJ 433.1000 +5 CC1 DMR BrandMeister 317511602 Fredericksburg, FMl8, VA
14.3 K4TS 147.0150 +0.6 TSQL 79.7 FM (analog) 🗓 1 net Fredricksburg, VA
14.5 N4VKF 434.5500 +5 CC1 DMR BrandMeister 3151100 Spotsylvania, VA
14.5 W4ETC 433.5500 in 439.5500 CC1 DMR BrandMeister 3214299 Remington, VA
14.6 W1ZFB 927.0375 -12 TONE 91.5 FM (analog) AllStar 41631 Fredericksburg, VA
16.7 WD4HRO 1293.0000 -20 none D-STAR Woodbridge, VA
17.8 NQ4T 439.8000 simplex TONE 100.0 FM (analog) AllStar 59408 AllStar 594080 Manassas, VA
17.8 NQ4T 223.4000 simplex TONE 100.0 FM (analog) AllStar 594081 Manassas, VA
19.0 W4OVH 146.8650 -0.6 none D-STAR Manassas, VA
19.0 W4OVH 442.5125 +5 none D-STAR Manassas, VA
20.6 KK4QGD 425.5000 +5 CC1 DMR BrandMeister 313135 Manassas Park, VA
21.5 W4OVH
Listed as W4OVH/R
 224.6600 -1.6 TONE 100.0 FM (analog) AllStar 47551 Manassas, VA
24.0 KN4ANG 448.3000 simplex TSQL 110.9 FM (analog) IRLP 4048 Burke, VA
25.0 N4USI 145.4500 -0.6 none D-STAR Haymarket, VA
28.9 KD4RTH 443.1500 +5 CC1 DMR BrandMeister 310763 Chantilly, VA
28.9 N3OCQ 443.3500 +5 CC1 DMR BrandMeister 314601 🗓 1 net Chantilly, VA
29.0 K4XY 448.3750 -5 none FM (analog) AllStar 59777 Fair Oaks, VA
31.0 W4HFH 444.6000 +5 TSQL 107.2 FM (analog) Alexandria, VA
31.0 W4HFH 442.0600 +5 none D-STAR Alexandria, VA
31.1 W4HFH 147.3150 +0.6 TSQL 107.2 FM (analog) Alexandria, VA
31.4 K4SVT 441.9000 +5 CC1 DMR BrandMeister 311287801 Forest, VA
31.7 N3QEM 442.9000 +5 CC1 DMR Interstate AWSVirginia Vienna, VA
31.7 N3QEM 145.1763 -0.6 CC13 DMR Interstate Vienna, VA
31.8 N9KET 445.8000 -5 CC1 DMR BrandMeister 316759602 BrandMeister 316759603 BrandMeister 316759605 BrandMeister 316759606 BrandMeister 316759608 BrandMeister 316759611 BrandMeister 316759612 BrandMeister 316759614 BrandMeister 316759615 BrandMeister 316759617 BrandMeister 316759618 BrandMeister 316759620 BrandMeister 316759623 Vienna, VA
31.8 N3QEM 927.6750 -25 CC1 DMR Interstate Vienna, VA
31.9 W9DSG 448.0625 -5 CC1 DMR BrandMeister 3223922 Falls Church, VA
32.0 W4HFH 442.4125 +5 CC1 DMR DMRVA Alexandria, VA
32.0 W4HFH 145.3800 -0.6 none D-STAR Alexandria, VA
32.0 W4HFH 1284.6000 -12 none D-STAR Alexandria, VA
32.1 K4US 146.6550 -0.6 TSQL 141.3 FM (analog) (FM,C4FM) Alexandria, VA
32.6 N3JLT 443.1000 +5 CC1 DMR Interstate Alexandria, VA
32.7 W4BRM
Listed as W4BRM/R
 448.2250 -5 TONE 77.0 FM (analog) AllStar 27021 Haymarket, VA
32.8 K0BMM 447.3125 -5 CC1 DMR BrandMeister 322315305 Arlington, VA
32.8 K4IAD 147.3300 +0.6 TSQL 203.5 FM (analog) Dulles, VA
33.5 KR4IXC 433.3350 +1 CC1 DMR BrandMeister 3221890 Warrenton, VA
34.4 K4HTA 146.6850 -0.6 TONE 110.9 FM (analog) AllStar 52093 EchoLink 🗓 1 net Tysons Corner, VA
34.8 N4CV 443.0875 +5 CC1 DMR AWSVirginia Herndon, VA
34.8 N3OCQ 447.3500 -5 CC1 DMR BrandMeister 314789 🗓 1 net Herndon, VA
34.8 N3QEM 442.4375 +5 CC1 DMR Interstate Herndon, VA
34.8 N3QEM 927.6625 -25 CC1 DMR Interstate Herndon, VA
34.8 N3QEM 145.1637 -0.6 CC13 DMR Interstate Herndon, VA
35.0 W4WVP 145.4700 -0.6 TSQL 107.2 FM (analog) Arlington, VA
35.1 N3LHD 442.4625 +5 CC1 DMR Interstate-c-Bridge-1 Brandywine, MD
35.2 N8HM 438.4500 -5 CC1 DMR BrandMeister 311101701 Arlington, VA
35.8 KN4EAR 430.8000 in 445.8000 CC1 DMR BrandMeister 3100457 Reston, VA
36.8 WB6EFW 434.0000 +5 CC1 DMR BrandMeister 315103901 Ashburn, VA
37.0 N3QEM 442.8750 +5 CC1 DMR AWSVirginia Sterling, VA
37.6 K3OCM 443.1875 +5 CC6 DMR K4USD-Net Charlotte Hall, MD
38.3 WB6EFW 442.1375 +5 CC1 DMR BrandMeister 315107 Ashburn, VA
38.3 KO4NCX 447.6750 -5 none D-STAR (DMR,DV) BrandMeister 312899 Ashburn, VA
38.8 W3AGB 444.1625 +5 CC1 DMR DMRVA Washington, DC
38.8 W3AGB 147.3600 +0.6 CC1 DMR K4USD Washington, DC
38.8 W3AGB 1283.1000 -12 none D-STAR Washington, DC
38.8 K3WS 443.3750 -5 TONE 123.0 FM (analog) AllStar 27701 Washington, DC
38.8 K3WS 447.3750 -5 TONE 123.0 FM (analog) AllStar 27701 Washington, DC
39.4 WA3KOK 449.9750 -5 TSQL 107.2 FM (analog) IRLP 4000 Washington, DC
39.4 W3SMR 147.1500 +0.6 TSQL 114.8 FM (analog) Brandywine, VA
39.5 N4FSC 145.3100 -0.6 TSQL 77.0 FM (analog) Ashburn, VA
39.6 N3PPH 441.7875 +5 CC1 DMR Interstate-2 Mechanicsville, MD
40.3 W3WDC 443.0125 +5 CC4 DMR BrandMeister 312819502 Washington, DC
40.4 N3BBF 447.8750 -5 CC1 DMR BrandMeister 314982 Potomac, MD
40.5 N3RWZ 433.5000 in 446.0500 CC1 DMR BrandMeister 321485802 🗓 1 net Louisa, VA
41.8 W4CUL 147.1200 +0.6 TSQL 146.2 P25 EchoLink Orange, VA
41.8 W4CUL 443.8000 +5 TSQL 146.2 FM (analog) (FM,C4FM) Orange, VA
41.8 W4CUL 224.1800 +0.6 TSQL 146.2 FM (analog) Orange, VA
42.3 WA4FC 444.6125 +0.6 CC1 DMR DMRVA Beaverdam, VA
42.8 AE4ML 147.0300 +0.6 CC1 DMR BrandMeister 310749 Madison, VA
43.6 N3BBF 442.9000 +5 CC1 DMR BrandMeister 314963 Potomac, MD
43.7 WA3RF 441.0000 +5 TONE 173.8 FM (analog) AllStar 57512 Cheverly, MD
44.0 N3EV 145.1700 -0.6 CC1 DMR BrandMeister 311789 Leesburg, VA
44.0 N3EV 442.9000 +5 CC1 DMR BrandMeister 311790 Leesburg, VA
44.0 N3EV 447.8750 -5 CC1 DMR BrandMeister 311791 Leesburg, VA
44.0 N3EV 447.8250 -5 CC1 DMR BrandMeister 311792 Leesburg, VA
44.0 N3EV 447.7250 -5 CC1 DMR BrandMeister 311793 Leesburg, VA
44.0 WR3D 443.9000 +5 CC1 DMR OpenDMR Leesburg, VA
44.4 K3GMR 146.6100 -0.6 TSQL 77.0 FM (analog) Bladensburg, MD
44.6 N8RAT 223.5200 simplex TONE 100.0 FM (analog) AllStar 508861 WV/VA, VA
44.6 N8RAT 223.5600 simplex TONE 123.0 FM (analog) AllStar 508864 WV/VA, VA
45.6 KV3B 146.9550 -0.6 none FM (analog) Rockville, MD
45.6 NC3M 445.9750 simplex TONE 100.0 FM (analog) AllStar 47835 Rockville, MD
45.6 N3JFW 442.4875 +5 CC1 DMR K4USD-Net rockville, MD
45.7 N3LHD 444.6500 +5 CC6 DMR Interstate-c-Bridge-1 Upper Marlboro, MD
45.8 KV3B 442.7500 +5 TSQL 156.7 FM (analog) Rockville, MD
46.1 W3KIT 438.2875 simplex TONE 203.5 FM (analog) AllStar 547612 AllStar 547619 SHARI-UHF Maryland, MD
46.3 WA4TSC 147.3000 +0.6 TONE 146.2 FM (analog) 🗓 1 net Mt. Weather, VA
46.6 W3MFP 442.8875 +5 CC5 DMR BrandMeister 312428101 Wheaton, MD
47.1 K8GP
Listed as K8GP/R
 443.6500 +5 TONE 77.0 FM (analog) AllStar 28185 Bluemont, VA
48.3 N3JLT 449.9250 -5 CC1 DMR Interstate-2-Network Bluemont, VA
48.3 N3PPH 441.3875 +5 CC1 DMR Interstate-3 Prince Frederick, MD
48.7 KJ4NXG 147.4200 simplex TONE 100.0 FM (analog) AllStar 50459 Round Hill, VA
49.0 W3GMR 146.8800 -0.6 TSQL 77.0 FM (analog) Greenbelt, MD
49.1 KA3LAO 441.8875 +5 CC1 DMR Interstate-Network Gaithersburg, MD
49.2 KD4RJN 443.1375 +5 CC1 DMR BrandMeister 315143 Ashland, VA
49.7 K3VOA 147.0450 +0.6 TONE 77.0 FM (analog) AllStar 23918 Silver Spring, MD
49.7 K3VOA 447.5750 -5 TONE 77.0 FM (analog) AllStar 23919 Silver Spring, MD
49.7 KY3O 438.4500 -5 CC1 DMR BrandMeister 318573701 Calverton, MD
6.8 W7DQ offline 446.9250 simplex TSQL 107.2 FM (analog) IRLP 3510 Widewater, VA
25.0 AE4ML offline 442.5750 +5 CC? DMR Madison, VA
27.6 N3QEM offline 442.9125 -5 CC? DMR Fairfax, VA
32.7 W4BRM offline 448.3250 -5 CC6 DMR BrandMeister 315148 Haymarket, VA
44.0 N3TUK offline 443.6625 +5 CC1 DMR BrandMeister 313057 Hyattsville, MD
47.1 N3HF offline 443.4500 +5 TSQL 156.7 FM (analog) IRLP 4712 Silver Spring, MD
49.4 KB3FWW offline 449.4900 simplex TSQL 146.2 FM (analog) IRLP 8856 Hollywood, MD