N9TPB FCC License Search
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

KO9T

Currently held by Gerald Friedman · 2 holders on record

Current holder: Gerald Friedman

Held KO9T Mar 31, 2026 → present · first licensed Dec 12, 2025 as KR4IEV · 2 licenses · FRN 0037596400

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

Previous holder: JAMES T HAMMER

Held KO9T Sep 6, 1999 → Mar 5, 2024 · first licensed Sep 6, 1999 as KO9T · 1 license · FRN 0003041431

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

Repeaters within 50 miles

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

MilesCallOutputOffsetToneModeNetworksLocation
2.0 K4HTA 146.6850 -0.6 TONE 110.9 FM (analog) AllStar 52093 EchoLink 🗓 1 net Tysons Corner, VA
3.6 W4WVP 145.4700 -0.6 TSQL 107.2 FM (analog) Arlington, VA
4.3 W9DSG 448.0625 -5 CC1 DMR BrandMeister 3223922 Falls Church, VA
5.0 N3QEM 442.9000 +5 CC1 DMR Interstate AWSVirginia Vienna, VA
5.0 N3QEM 145.1763 -0.6 CC13 DMR Interstate Vienna, VA
5.3 N3QEM 927.6750 -25 CC1 DMR Interstate Vienna, VA
5.3 N9KET 445.8000 -5 CC1 DMR BrandMeister 316759602 BrandMeister 316759603 BrandMeister 316759605 BrandMeister 316759606 BrandMeister 316759608 BrandMeister 316759609 BrandMeister 316759611 BrandMeister 316759612 BrandMeister 316759614 BrandMeister 316759615 BrandMeister 316759617 BrandMeister 316759618 BrandMeister 316759620 BrandMeister 316759623 Vienna, VA
5.4 N3BBF 447.8750 -5 CC1 DMR BrandMeister 314982 Potomac, MD
5.4 WA3KOK 449.9750 -5 TSQL 107.2 FM (analog) IRLP 4000 Washington, DC
6.2 W3WDC 443.0125 +5 CC4 DMR BrandMeister 312819502 Washington, DC
7.9 KN4EAR 430.8000 in 445.8000 CC1 DMR BrandMeister 3100457 Reston, VA
7.9 K4SVT 441.9000 +5 CC1 DMR BrandMeister 311287801 Forest, VA
7.9 K0BMM 447.3125 -5 CC1 DMR BrandMeister 322315305 Arlington, VA
8.0 N3BBF 442.9000 +5 CC1 DMR BrandMeister 314963 Potomac, MD
8.3 N8HM 438.4500 -5 CC1 DMR BrandMeister 311101701 Arlington, VA
9.0 W3AGB 444.1625 +5 CC1 DMR DMRVA Washington, DC
9.0 W3AGB 147.3600 +0.6 CC1 DMR K4USD Washington, DC
9.4 W4HFH 444.6000 +5 TSQL 107.2 FM (analog) Alexandria, VA
9.4 W4HFH 442.0600 +5 none D-STAR Alexandria, VA
9.4 W4HFH 147.3150 +0.6 TSQL 107.2 FM (analog) Alexandria, VA
9.6 W4HFH 442.4125 +5 CC1 DMR DMRVA Alexandria, VA
9.9 K3WS 443.3750 -5 TONE 123.0 FM (analog) AllStar 27701 Washington, DC
9.9 K3WS 447.3750 -5 TONE 123.0 FM (analog) AllStar 27701 Washington, DC
10.1 KV3B 146.9550 -0.6 none FM (analog) Rockville, MD
10.2 N3JFW 442.4875 +5 CC1 DMR K4USD-Net rockville, MD
10.4 NC3M 445.9750 simplex TONE 100.0 FM (analog) AllStar 47835 Rockville, MD
10.6 KV3B 442.7500 +5 TSQL 156.7 FM (analog) Rockville, MD
10.6 W3KIT 438.2875 simplex TONE 203.5 FM (analog) AllStar 547612 AllStar 547619 SHARI-UHF Maryland, MD
10.8 K4US 146.6550 -0.6 TSQL 141.3 FM (analog) (FM,C4FM) Alexandria, VA
11.2 W3MFP 442.8875 +5 CC5 DMR BrandMeister 312428101 Wheaton, MD
11.4 K4XY 448.3750 -5 none FM (analog) AllStar 59777 Fair Oaks, VA
11.5 N4CV 443.0875 +5 CC1 DMR AWSVirginia Herndon, VA
11.5 N3OCQ 447.3500 -5 CC1 DMR BrandMeister 314789 🗓 1 net Herndon, VA
11.5 N3QEM 442.4375 +5 CC1 DMR Interstate Herndon, VA
11.5 N3QEM 927.6625 -25 CC1 DMR Interstate Herndon, VA
11.5 N3QEM 145.1637 -0.6 CC13 DMR Interstate Herndon, VA
11.5 N3JLT 443.1000 +5 CC1 DMR Interstate Alexandria, VA
11.9 KN4ANG 448.3000 simplex TSQL 110.9 FM (analog) IRLP 4048 Burke, VA
12.7 N4FSC 145.3100 -0.6 TSQL 77.0 FM (analog) Ashburn, VA
13.1 N3QEM 442.8750 +5 CC1 DMR AWSVirginia Sterling, VA
13.9 K3GMR 146.6100 -0.6 TSQL 77.0 FM (analog) Bladensburg, MD
14.1 K3VOA 147.0450 +0.6 TONE 77.0 FM (analog) AllStar 23918 Silver Spring, MD
14.1 K3VOA 447.5750 -5 TONE 77.0 FM (analog) AllStar 23919 Silver Spring, MD
14.1 WA3RF 441.0000 +5 TONE 173.8 FM (analog) AllStar 57512 Cheverly, MD
14.6 KD4RTH 443.1500 +5 CC1 DMR BrandMeister 310763 Chantilly, VA
14.6 N3OCQ 443.3500 +5 CC1 DMR BrandMeister 314601 🗓 1 net Chantilly, VA
14.7 KA3LAO 441.8875 +5 CC1 DMR Interstate-Network Gaithersburg, MD
15.1 K4IAD 147.3300 +0.6 TSQL 203.5 FM (analog) Dulles, VA
15.3 KY3O 438.4500 -5 CC1 DMR BrandMeister 318573701 Calverton, MD
16.1 K3UCB 442.9000 +5 CC1 DMR Interstate-Network Olney, MD
16.6 W3GMR 146.8800 -0.6 TSQL 77.0 FM (analog) Greenbelt, MD
16.9 KO4NCX 447.6750 -5 CC1 DMR BrandMeister 312899 Ashburn, VA
17.5 WB6EFW 434.0000 +5 CC1 DMR BrandMeister 315103901 Ashburn, VA
17.9 KV3B 53.2700 -0.6 TSQL 156.7 FM (analog) Germantown, MD
17.9 KV3B 444.2000 +5 none D-STAR Germantown, MD
18.3 KK4QGD 425.5000 +5 CC1 DMR BrandMeister 313135 Manassas Park, VA
18.7 WB6EFW 442.1375 +5 CC1 DMR BrandMeister 315107 Ashburn, VA
19.9 NQ4T 223.4000 simplex TONE 100.0 FM (analog) AllStar 594081 Manassas, VA
19.9 NQ4T 439.8000 simplex TONE 100.0 FM (analog) AllStar 59408 AllStar 594080 Manassas, VA
20.2 W3SQN 442.9000 +5 CC1 DMR BrandMeister 312418 Laurel, MD
20.6 W4OVH
Listed as W4OVH/R
 224.6600 -1.6 TONE 100.0 FM (analog) AllStar 47551 Manassas, VA
21.7 WA3KOK 446.5000 simplex TSQL 100.0 FM (analog) IRLP 4332 Laurel, MD
23.1 KB3LYL 442.2125 +5 CC1 DMR K4USD-Net Damascus, MD
23.2 W3SMR 147.1500 +0.6 TSQL 114.8 FM (analog) Brandywine, VA
23.6 N3EV 145.1700 -0.6 CC1 DMR BrandMeister 311789 Leesburg, VA
23.6 N3EV 442.9000 +5 CC1 DMR BrandMeister 311790 Leesburg, VA
23.6 N3EV 447.8750 -5 CC1 DMR BrandMeister 311791 Leesburg, VA
23.6 N3EV 447.8250 -5 CC1 DMR BrandMeister 311792 Leesburg, VA
23.6 N3EV 447.7250 -5 CC1 DMR BrandMeister 311793 Leesburg, VA
23.6 WR3D 443.9000 +5 CC1 DMR OpenDMR Leesburg, VA
23.6 N3LHD 442.4625 +5 CC1 DMR Interstate-c-Bridge-1 Brandywine, MD
24.0 K3HP 145.2500 -0.6 TONE 146.2 FM (analog) AllStar 29523 Damascus, MD
24.3 N3LHD 444.6500 +5 CC6 DMR Interstate-c-Bridge-1 Upper Marlboro, MD
24.7 KB3HGW 448.8000 -5 CC1 DMR BrandMeister 321114701 Jessup, MD
25.0 KG1JAG 446.5000 -5 CC1 DMR BrandMeister 321925001 Town, L0C4T0R, MD
25.9 WA3DZD 146.7600 -0.6 TSQL 107.2 FM (analog) Jessup, MD
26.1 W4BRM
Listed as W4BRM/R
 448.2250 -5 TONE 77.0 FM (analog) AllStar 27021 Haymarket, VA
26.1 KA3LAO 442.7125 +5 CC1 DMR Interstate-2-Network Jessup, MD
26.7 N6PPP 445.0000 -5 CC1 DMR BrandMeister 3110809 Town, L0C4T0R, MD
26.8 KB3IAI 439.9000 in 438.2000 CC1 DMR BrandMeister 3172111 Gambrills, MD
27.8 K3CUJ 147.3900 +0.6 TSQL 156.7 FM (analog) (FM,C4FM) Cooksville, MD
27.9 W4IY 147.2400 +0.6 TSQL 107.2 FM (analog) EchoLink Woodbridge, VA
28.1 N3SCP 447.5500 -5 DG-ID 00-00 Fusion (C4FM) WIRES-X 18557 Gambrills, MD
29.6 W3VPR 444.4000 +5 TSQL 107.2 FM (analog) 🗓 3 nets Davidsonville, MD
29.6 W3VPR 147.1050 +0.6 TSQL 107.2 FM (analog) 🗓 3 nets Davidsonville, MD
29.7 KA2JAI 146.8050 -0.6 TSQL 107.2 FM (analog) EchoLink 🗓 1 net Millersville, MD
30.6 KC3OQK 439.0000 -5 CC1 DMR BrandMeister 3159601 Ellicott City, MD
30.6 KC3OQK 449.0000 -5 CC1 DMR BrandMeister 315960101 Ellicott City, MD
31.0 W3VPR 147.0750 +0.6 TSQL 107.2 FM (analog) 🗓 3 nets Crownsville, MD
31.7 K3PZN 147.2850 +0.6 TSQL 107.2 FM (analog) 🗓 1 net Sykesville, MD
33.5 KB3CMA 442.3000 +5 TSQL 107.2 FM (analog) (FM,C4FM) Annapolis, MD
33.8 KB3CMA 441.8375 +5 CC1 DMR Interstate-3 Annapolis, MD
34.3 W3CPO 448.5000 -5 CC1 DMR BrandMeister 312442201 Glen Burnie, MD
34.8 KJ4NXG 147.4200 simplex TONE 100.0 FM (analog) AllStar 50459 Round Hill, VA
35.6 KR4KMS 449.5000 -5 CC7 DMR BrandMeister 322289401 Stafford, VA
36.2 W4ATN 443.7875 +5 CC3 DMR DMR-MARC Annapolis, MD
36.5 KQ4TNV 446.4125 -5 CC1 DMR BrandMeister 314452 Staford, VA
36.6 W3FDK 146.7300 -0.6 TONE 141.3 FM (analog) 🗓 2 nets Frederick, MD
37.0 KC3FCQ 442.8750 +5 CC1 DMR BrandMeister 312411801 Arnold, MD
37.1 KD3CXK 439.0650 -1 CC1 DMR BrandMeister 3223379 Brooklyn, MD
37.1 KR4IXC 433.3350 +1 CC1 DMR BrandMeister 3221890 Warrenton, VA
37.2 KR3LC 433.4500 in 446.4500 CC1 DMR BrandMeister 312414103 Pasadena, MD
37.3 N3JLT 449.9250 -5 CC1 DMR Interstate-2-Network Bluemont, VA
37.6 W4AVA 146.6250 -0.6 TSQL 107.2 FM (analog) Stafford, VA
37.7 WG3K 444.3500 +5 CC1 DMR BrandMeister 312393 Chesapeake Beach, MD
38.7 K3OCM 443.1875 +5 CC6 DMR K4USD-Net Charlotte Hall, MD
38.8 K8GP
Listed as K8GP/R
 443.6500 +5 TONE 77.0 FM (analog) AllStar 28185 Bluemont, VA
38.8 N3EJT 147.1950 +0.6 CC1 DMR Not-Linked Owings Mills, MD
38.8 N3CDY 449.0750 -5 CC1 DMR Interstate Owings Mills, MD
39.1 WA4TSC 147.3000 +0.6 TONE 146.2 FM (analog) 🗓 1 net Mt. Weather, VA
39.5 N3CDY 927.0625 -25 CC1 DMR Interstate Baltimore, MD
40.5 N3HAZ 439.5500 in 433.5500 CC1 DMR BrandMeister 3197367 Annapolis, MD
41.3 KC3SNV 438.0125 -5 CC1 DMR BrandMeister 318357102 Frederick, MD
41.8 N3PPH 441.3875 +5 CC1 DMR Interstate-3 Prince Frederick, MD
42.2 N3PPH 441.7875 +5 CC1 DMR Interstate-2 Mechanicsville, MD
42.2 K3DO 441.9625 +5 CC1 DMR BrandMeister 312413 Frederick, MD
42.2 K3DO 447.8750 -5 CC1 DMR BrandMeister 312413 Frederick, MD
42.5 K4MMJ 433.1000 +5 CC1 DMR BrandMeister 317511602 Fredericksburg, FMl8, VA
42.9 W3VLG 440.8000 +5 DG-ID 00-00 Fusion (C4FM) WIRES-X 52840 Charles Town, WV
42.9 W3VLG 145.4800 -0.6 DG-ID 00-00 Fusion (C4FM) WIRES-X 33277 Charles Town, WV
43.6 K3OCM 443.8500 +5 CC6 DMR K4USD-Net Towson, MD
43.6 WR3IRS 441.4000 +5 CC1 DMR Interstate Towson, MD
44.5 W3FT 146.6700 -0.6 TSQL 107.2 FM (analog) Towson, MD
44.6 KD3SU 442.9500 +5 TONE 94.8 FM (analog) AllStar 27299 Boonsboro, MD
44.6 KD3SU 146.7750 -0.6 TONE 114.8 FM (analog) AllStar 27299 Boonsboro, MD
45.0 KD3SU 146.5350 simplex TSQL 88.5 FM (analog) IRLP 8841 Boonsboro, MD
45.5 K3PZN 449.8750 -5 TSQL 127.3 FM (analog) (FM,C4FM) 🗓 1 net Westminster, MD
45.5 N8RAT 223.5200 simplex TONE 100.0 FM (analog) AllStar 508861 WV/VA, VA
45.5 N8RAT 223.5600 simplex TONE 123.0 FM (analog) AllStar 508864 WV/VA, VA
45.6 K3PZN 145.4100 -0.6 TSQL 114.8 FM (analog) 🗓 1 net Westminster, MD
45.9 N3SBP 223.8000 -1.6 CC1 DMR BrandMeister 312410402 BrandMeister 314562 Parkville, MD
47.1 AE4ML 442.4000 +5 CC1 DMR BrandMeister 310747 DMRVA Spotsylvania, VA
47.1 N8RAT 442.1125 +5 CC1 DMR DMRVA Fredericksburg, VA
47.6 W3GAB 433.8000 +5 CC1 DMR BrandMeister 321788101 Stevensville, MD
48.1 KC4RCR 444.3000 +5 TONE 141.3 FM (analog) AllStar 58830 Clarke County, VA
48.2 WB3FFV 438.0150 -5 CC1 DMR BrandMeister 322199401 Middle River, MD FM1, MD
48.3 K3LPV 449.9000 -5 CC1 DMR BrandMeister 310588 Essex, MD
48.3 K3LPV 449.2000 simplex CC? DMR Essex, MD
48.9 W3DAK 447.3750 -5 CC1 DMR BrandMeister 312299 Middle River, MD
48.9 N3EMC 927.7000 -25 CC2 DMR TGIF AllStar 67341 Middle River, MD
49.9 K4TS 147.0150 +0.6 TSQL 79.7 FM (analog) 🗓 1 net Fredricksburg, VA
9.6 N3QEM offline 442.9125 -5 CC? DMR Fairfax, VA
12.3 N3HF offline 443.4500 +5 TSQL 156.7 FM (analog) IRLP 4712 Silver Spring, MD
12.8 N3TUK offline 443.6625 +5 CC1 DMR BrandMeister 313057 Hyattsville, MD
21.1 WA3KOK offline 144.4400 simplex none FM (analog) IRLP 4173 Laurel, MD
21.1 WA3KOK offline 144.9700 simplex TSQL 107.2 FM (analog) IRLP 4542 Clarksville, MD
23.3 W3LRC offline 447.8500 -5 CC1 DMR BrandMeister 314342 Jessup, MD
26.1 W4BRM offline 448.3250 -5 CC6 DMR BrandMeister 315148 Haymarket, VA
31.9 KP4IP offline 442.4000 +5 CC1 DMR BrandMeister 310148 Millersville, MD
35.0 W7DQ offline 446.9250 simplex TSQL 107.2 FM (analog) IRLP 3510 Widewater, VA
39.5 K3BAY offline 145.5400 simplex TSQL 107.2 FM (analog) IRLP 4717 Pasadena, MD
43.1 N2MCS offline 442.9000 +5 CC? DMR Baltimore, MD
44.7 KD3SU offline 147.4400 simplex TSQL 79.7 FM (analog) IRLP 8562 Boonsboro, MD
49.6 W3DAK offline 145.1700 -0.6 CC1 DMR BrandMeister 312377 Middle River, MD

Vanity requests for KO9T

12 applications listed KO9T as a choice, newest first.

FiledAwardApplicantChoice #Status
Mar 11, 2026 Mar 29, 2026 KR4IEV · Gerald Friedman · MCLEAN, VA 2Granted
Mar 9, 2026 Mar 27, 2026 KJ5BWF · Luis G Carpena · Pearland, TX 7Granted
Mar 9, 2026 Mar 27, 2026 K1RIS · KRISTOPHER E MERCER · Maricopa, AZ 6Granted
Feb 19, 2026 Mar 9, 2026 KE9ECE · Christian Macdonald · MADISON, WI 6Dismissed
Jan 15, 2026 Feb 2, 2026 KQ4YHD · Aaron Trejos · Doral, FL 16Granted
Jan 7, 2026 Jan 25, 2026 KC9DD · Dustin D Brann · Indianapolis, IN 4Dismissed
Jan 5, 2026 Jan 23, 2026 KE9CMC · Steve Geitz · Melrose Park, IL 19Granted
Dec 29, 2025 Jan 16, 2026 KB9ILX · BRENDAN M MORAN · ELMHURST, IL 7Granted
Dec 29, 2025 Jan 16, 2026 KQ4WQR · James E Hlavin II · Augusta, GA 17Dismissed
Nov 26, 2025 Dec 14, 2025 KO6IFA · Matthieu TIRELLI · Santa Clarita, CA 18Granted
Nov 17, 2025 Dec 5, 2025 KB8UYX · SCOTT W JANSEN · Eaton Rapids, MI 23Granted
Jul 29, 2025 Aug 16, 2025 AD9HB · JONATHAN E MICHAEL · BLOOMFIELD, IN 14Granted