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

K3KO

🔒 Not available — currently licensed, through Jan 27, 2033. If it isn't renewed, it opens for vanity requests Jan 28, 2035.

📬 QSL: LoTW user, last upload Sep 26, 2026 · eQSL AG member

📝 K3KO has filed vanity applications before — latest filed Jan 9, 2023 · what was requested

Currently held by CHRISTIAN J OTTO · 2 holders on record

Current holder: CHRISTIAN J OTTO

Held K3KO Jan 27, 2023 → present · first licensed Mar 18, 1998 as N9YCW · 3 licenses · FRN 0006269955

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

Previous holder: BRIAN H ALSOP

Held K3KO Oct 19, 2000 → Dec 31, 2020 · first licensed Oct 19, 2000 as K3KO · 1 license · FRN 0004087805

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

Vanity applications filed by K3KO

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 9, 2023
Granted Jan 27, 2023
0010335496
 K9MFT · CHRISTIAN J OTTO · Amateur Extra
705 S CLIFTON AVE, PARK RIDGE, IL 60068
42.0024, -87.8375 (street) · Grid EN62ba · CQ 4 · ITU 8 · map ↗
1.N4SI held
2.N9JV held
3.K3KO ✓ granted
4.N9UH held
5.N0PF held
6.W4YV held
7.K8XR held
8.WY9B held
9.W3TM held
10.WY9P held
11.WY9M held
 Granted
got K3KO
Filed Feb 1, 2002
Granted Jan 3, 2022
0000755866
 N9YCW · CHRISTIAN J OTTO · General
705 S CLIFTON AVE, PARK RIDGE, IL 60068
42.0024, -87.8375 (street) · Grid EN62ba · CQ 4 · ITU 8 · map ↗
1.K9MFT ✓ granted
 Granted
got K9MFT

Others requesting K3KO

10 applications listed K3KO as a choice, newest first.

FiledAwardApplicantChoice #Status
Jan 17, 2023 Feb 4, 2023 KC3FWF · Kathleen O Orrson · Columbia, MD 1Dismissed
Jan 10, 2023 Jan 28, 2023 NU1D · EIJI KOMATSU · CAROL STREAM, IL 5Granted
Jan 9, 2023 Jan 27, 2023 K9MFT · CHRISTIAN J OTTO · PARK RIDGE, IL 3Granted
Jan 3, 2023 Jan 21, 2023 KX4NT · Jason A Arbogast · FPO, AP 5Granted
Dec 30, 2022 Jan 17, 2023 KN6WEX · Tae Won Bae · Santa Clara, CA 1Dismissed
Dec 22, 2022 Jan 9, 2023 KQ4AGR · David Duncan · Clearwater, FL 6Granted
Nov 10, 2022 Nov 28, 2022 KN6WEX · Tae Won Bae · Santa Clara, CA 7Dismissed
Jan 5, 2021 Jan 23, 2021 KW4OR · Brent K Miller · Franklin, TN 3Dismissed
Oct 6, 2015 Oct 24, 2015 KC3FCY · Hans-Dieter Bartz · Columbia, MD 14Dismissed
Feb 1, 2008 Feb 19, 2008 KB3MVM · Mathew W Harris · Columbia, MD 10Dismissed

Repeaters within 50 miles

164 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
3.4 K9TOW 441.3375 +5 CC4 DMR ChicagoLand Schiller Park, IL
4.2 N9VTB 431.5000 in 434.5000 CC1 DMR BrandMeister 311781015 , IL
5.4 KB9JRC 440.4500 simplex TONE 100.0 FM (analog) (DMR,FM) AllStar 29788 AllStar 29814 BrandMeister 310444 Skokie, IL
5.4 K9SA 443.3500 +5 CC1 DMR ChicagoLand River Grove, IL
6.8 K9NB 224.2200 -1.6 TONE 110.9 FM (analog) AllStar 45059 Bloomingdale ILL, IL
7.5 NS9RC 147.3450 +0.6 TSQL 107.2 FM (analog) 🗓 1 net Northbrook, IL
7.6 AC9ID 443.5000 in 146.1000 CC1 DMR BrandMeister 314588 Wilmette, IL
8.2 KC9MHE 430.4375 in 439.4375 CC1 DMR BrandMeister 3207125 Chicago, IL
8.3 AC9CO 441.5000 +5 CC4 DMR BrandMeister 311753 🗓 1 net Oak Park, IL
8.3 KD9ARR 438.5500 in 438.1250 CC1 DMR BrandMeister 321827401 Hawthorn Woods, IL
9.0 AC9CO 443.7500 +5 TONE 114.8 FM (analog) AllStar 420460 🗓 1 net Oak Park, IL
9.1 KB9UUU 440.8500 in 448.8500 CC0 DMR Elmhurst, IL
9.3 N9CWM 442.1250 +5 CC2 DMR ChicagoLand Forest Park, IL
9.4 W9GIL 441.6750 +5 TSQL 114.8 FM (analog) AllStar 64944 Arlington Heights, IL
9.5 NS9RC 442.7250 +5 TSQL 114.8 FM (analog) 🗓 1 net Chicago, IL
9.5 NS9RC 442.0938 +5 none D-STAR 🗓 1 net Chicago, IL
9.5 NS9RC 1292.2000 -20 none D-STAR 🗓 1 net Chicago, IL
10.1 W9BMK 446.7000 simplex TONE 127.3 FM (analog) AllStar 52758 AllStar 59873 AllStar 598730 AllStar 598733 Chicago, IL
10.1 W9BMK 443.8250 +5 TONE 114.8 FM (analog) AllStar 51377 Chicago, IL
10.1 W9BMK 446.4750 simplex TONE 97.4 FM (analog) AllStar 53089 AllStar 598734 AllStar 564710 Chicago, IL
10.1 W9BMK 443.6750 simplex TONE 167.9 FM (analog) AllStar 527581 AllStar 527582 Chicago, IL
10.1 W9BMK 448.8250 -5 TONE 114.8 FM (analog) AllStar 527580 Cook County, Chicago, IL
10.1 W9BMK 446.1750 simplex TONE 97.4 FM (analog) AllStar 598731 Chicago, IL
10.2 NS9RC 224.3200 -1.6 TSQL 110.9 FM (analog) 🗓 1 net Deerfield, IL
10.2 KB6XN 439.0000 in 420.9000 CC1 DMR BrandMeister 313230501 Chicago, IL
10.5 KD9CCF 446.5000 -5 CC1 DMR BrandMeister 315471001 AllStar 29788 AllStar 29814 Lake Zurich, IL
10.9 KC9RBB 442.8000 +5 none D-STAR Rolling Meadows, IL
11.0 KD9VPM 446.0750 +0.5 CC1 DMR BrandMeister 319718701 Chicago, IL
11.3 KD9PIN 444.3750 +5 TSQL 114.8 FM (analog) 🗓 2 nets Chicago, IL
11.3 KD9PIN 146.8800 -0.6 TSQL 107.2 FM (analog) 🗓 2 nets Chicago, IL
11.8 K9MOT 443.7250 +5 TONE 114.8 FM (analog) AllStar 466252 AllStar 42060 Schaumburg, IL
11.9 K9IIK
Listed as K9IIK-R
 145.2300 -0.6 TONE 107.2 FM (analog) AllStar 27833 🗓 5 nets Schaumburg, IL
12.8 K9MOT 444.7937 +5 CC1 DMR TriStateDMR Schaumburg, IL
12.8 WB9PHK 443.0688 +5 CC0 DMR ChicagoLand Schaumburg, IL
12.8 WB9PHK 146.7000 -0.6 CC1 DMR ChicagoLand Schaumburg, IL
12.8 K9PW 439.8750 in 430.4750 CC1 DMR Plus 🗓 2 nets Schaumburg, IL
12.8 WB9PHK 927.6625 -25 CC0 DMR ChicagoLand Schaumburg, IL
12.8 AI7TI 434.9625 +5 CC1 DMR BrandMeister 313834 Schaumburg, IL
12.9 AA9VI 444.5000 +5 TONE 114.8 FM (analog) AllStar 46624 Bloomingdale, IL
13.3 KD9KAF 443.6250 +5 CC1 DMR BrandMeister 3102316 Chicago, IL
13.3 N9GUN 446.2000 in 441.0750 CC1 DMR BrandMeister 316441906 Schaumburg, IL
13.4 K1BDX 446.8750 simplex TSQL 100.0 FM (analog) IRLP 8724 IRLP 3326 IRLP 7826 Chicago, IL
13.9 WD9BBE 442.9750 +5 CC4 DMR ChicagoLand Chicago, IL
13.9 W9BMK 440.3000 +5 CC1 DMR ChicagoLand Chicago, IL
13.9 KC9MNL 440.4000 in 445.0000 CC1 DMR ChicagoLand Chicago, IL
13.9 K9VO 443.9250 +5 CC1 DMR ChicagoLand Chicago, IL
13.9 K9TOW 441.3313 +5 CC4 DMR ChicagoLand Chicago, IL
13.9 AA9VI 441.2188 +5 CC1 DMR TriStateDMR Chicago, IL
13.9 N9OZR 440.2000 +5 CC1 DMR ChicagoLand Chicago, IL
13.9 W9DIG 440.8562 +5 CC1 DMR Mixed-Mode Chicago, IL
13.9 K9QI 440.9000 +5 CC1 DMR DMRPlus-Test Chicago, IL
13.9 AA9RA 442.1750 +5 CC1 DMR BrandMeister 315032 BrandMeister 315043 Chicago, IL
13.9 WM9W 224.5200 -1.6 TONE 110.9 FM (analog) AllStar 458800 AllStar 568541 AllStar 568543 AllStar 568544 🗓 4 nets Chicago, IL
13.9 WA9ORC 441.9062 +5 none D-STAR Chicago, IL
14.0 KC9DTO 444.1250 +0.6 CC10 DMR chi-dmr Chicago, IL
14.0 WA9ORC 443.7500 +5 TSQL 114.8 FM (analog) AllStar 555492 EchoLink 62478 🗓 1 net Chicago, IL
14.1 N9CWM 440.7563 +5 CC1 DMR ChicagoLand McCook, IL
14.3 KE9CJD 433.4500 +5 CC1 DMR BrandMeister 3215466 Town, L0C4T0R, IL
14.3 K9MTV 449.3275 -20 CC2 DMR BrandMeister 321889302 Loves Park, IL
14.6 AA9VI 443.5750 +5 TONE 114.8 FM (analog) AllStar 42060 AllStar 466252 FM38 🗓 4 nets Inverness, IL
14.9 K9ONA 146.9700 -0.6 TONE 107.2 FM (analog) AllStar 419310 🗓 1 net Hinsdale, IL
15.1 WA6TMJ 223.7800 +1.6 TSQL 100.0 FM (analog) IRLP 7970 Hanover Park [WALA], IL
15.2 N9YUE 433.1875 +5 CC1 DMR BrandMeister 311729202 Chicago, IL
15.3 W9DUP 224.6800 -1.6 TSQL 110.9 FM (analog) Downers Grove, IL
15.3 W9DUP 442.5500 +5 TSQL 114.8 FM (analog) Downers Grove, IL
15.6 K9ORD 147.3900 +0.6 CC1 DMR TriStateDMR Inverness, IL
15.6 K9ORD 441.0500 +5 CC1 DMR TriStateDMR Inverness, IL
15.6 AA9VI 441.9563 +5 CC1 DMR Plus 🗓 2 nets Inverness, IL
16.3 NS9N 441.5000 +5 CC1 DMR DMR-MARC Hoffman Estates, IL
16.7 KC9WPR 442.2500 +5 DG-ID 00-00 Fusion (C4FM) WIRES-X 11810 Downers Grove, IL
16.9 W9BZW 147.3600 +0.6 TSQL 136.5 FM (analog) Wheaton, IL
17.4 WA9WSL 442.2250 +5 DG-ID 00-00 Fusion (C4FM) WIRES-X 70607 Wheaton, IL
17.5 NA9PL 440.2500 +5 DG-ID 00-00 Fusion (C4FM) WIRES-X 71708 Streamwood, IL
17.6 N9JPG 433.9000 +5 CC1 DMR BrandMeister 321847201 Wheaton, IL
18.5 KD9LZ 443.8500 +5 CC1 DMR BrandMeister 311891 Lake Zurich, IL
18.5 K9SA 441.2312 +5 none D-STAR Lake Zurich, IL
18.6 KE9GGL 446.5500 -5 CC1 DMR BrandMeister 3227928 Willow Springs, IL
19.2 KC9POS 440.2000 +5 CC1 DMR BrandMeister 311472 Hickory Hills, IL
19.4 N9ATO 442.1250 +5 CC8 DMR CCC Lisle, IL
20.8 WB9PHK 423.2937 in 420.2937 CC2 DMR ChicagoLand Mundelein, IL
21.1 W9LBR 146.6550 -0.6 TONE 107.2 FM (analog) AllStar 502461 Lisle Illinois, IL
21.1 WD9BBE 442.9625 +5 CC5 DMR ChicagoLand West Chicago, IL
21.7 WA9ORC 224.1800 -1.6 TSQL 110.9 FM (analog) Worth, IL
21.9 WR9ABQ 223.9200 -1.6 TSQL 100.0 FM (analog) Elgin, IL
21.9 WR9ABQ 444.9750 +5 none FM (analog) (DMR,FM) ChicagoLand Elgin, IL
21.9 WR9ABQ 444.9500 +5 TSQL 114.8 FM (analog) Elgin, IL
21.9 WR9ABQ 146.7900 -0.6 TSQL 107.2 FM (analog) Elgin, IL
21.9 K9QW 441.0750 +5 CC1 DMR BrandMeister 322633101 Woodridge, IL
21.9 AA9AZ 442.1250 +5 CC14 DMR ChicagoLand Warrenville, IL
22.6 K9VJ 440.9750 +5 CC1 DMR BrandMeister 310095602 Chicago, IL
23.5 KC9WSI 446.5000 -5 CC1 DMR BrandMeister 320905746 AllStar 54483 Wauconda, IL
23.7 KP4BW 442.3750 +5 TONE 141.3 FM (analog) AllStar 45000 Chicago, IL
23.8 KD9WAB 442.2750 +5 CC15 DMR BrandMeister 319572701 Naperville IL, EN51v, IL
24.0 W9AGW 446.5000 -5 CC1 DMR BrandMeister 311704964 AllStar 516598 Crestwood, IL
24.3 N9CWM 441.7563 +5 CC1 DMR ChicagoLand Wauconda, IL
25.4 N9NLE 444.5250 +5 CC15 DMR (C4FM,DMR) WIRES-X 58766 IPSC2 St. Charles, IL
25.8 AB9BV 446.4250 -5 CC1 DMR BrandMeister 3128204 Batavia, IL
25.8 K9BAR 443.7000 +5 CC1 DMR DMR-MARC Bolingbrook, IL
26.1 N9HXR 434.4750 +5 CC1 DMR BrandMeister 321053701 Eola, IL
26.6 WB9PHK 443.0813 +5 CC1 DMR ChicagoLand Batavia, IL
26.6 W9NE 1291.9000 -20 none D-STAR Batavia, IL
26.6 KD9QZO 439.7250 -5 CC13 DMR BrandMeister 317299501 Hainesville, IL
27.2 NC9J 434.5000 +5 CC7 DMR BrandMeister 317249201 Naperville, IL
28.1 KC9NCS 442.8313 +5 CC3 DMR ChicagoLand Homer Glen, IL
28.4 N9ZD 443.2750 +5 CC1 DMR BrandMeister 312361 Oak Forest, IL
28.5 W9LSL 443.4250 +5 CC1 DMR ChicagoLand Aurora, IL
29.0 WA9BY 147.0750 +0.6 TONE 100.0 FM (analog) AllStar 612750 North Aurora, IL
29.1 KD9EJE 440.5000 +5 CC6 DMR BrandMeister 313361 AllStar 57301 Whiting, IN
29.6 W9SBE 446.6000 -5 TONE 136.5 FM (analog) AllStar 43706 Lockport, IL
30.0 K9VI 444.8062 +5 CC4 DMR TriStateDMR Crystal Lake, IL
30.0 K9QI 439.2250 in 431.6250 CC6 DMR DMR-MARC Crystal Lake, IL
30.1 N2BJ 443.2250 +5 CC2 DMR ChicagoLand Lockport, IL
31.0 N9APK 435.0000 in 425.0000 CC1 DMR BrandMeister 3115503 Zion, IL
31.6 KD9LKX 439.2250 -5 CC1 DMR BrandMeister 321424701 Montgomery, IL
31.7 KB9GXK 433.8500 +5 CC1 DMR BrandMeister 317012502 Zion, IL, IL
32.6 W9IV 440.0437 +5 CC1 DMR ChicagoLand Huntley, IL
33.0 W9XA 443.6438 +5 CC6 DMR ChicagoLand Elburn, IL
33.0 W9CEQ 442.1062 +5 none D-STAR Elburn, IL
33.4 KE9ASY 440.0000 in 450.0000 CC1 DMR BrandMeister 320827701 New Lenox, IL., IL
34.7 N2BJ 444.4000 +5 CC2 DMR ChicagoLand New Lenox, IL
34.7 N2BJ 145.1800 -0.6 CC2 DMR NEDECN New Lenox, IL
35.4 K9NRO 442.4250 +5 CC1 DMR DMR-MARC Sugar Grove, IL
37.3 KD9PPX 146.6700 simplex TONE 107.2 FM (analog) AllStar 53366 Spring Grove, IL
38.0 K9ESV 146.8350 -0.6 TSQL 91.5 FM (analog) 🗓 1 net Woodstock, IL
38.0 W9CTO 442.7500 +5 CC1 DMR Hoosier-DMR Gary, IN
38.0 W9CTO 146.9100 -0.6 CC1 DMR ChicagoLand Gary, IN
38.1 KD9FA 443.6000 +5 DG-ID 00-00 Fusion (C4FM) WIRES-X 55353 Yorkville, IL
38.1 K9RZL 146.4300 simplex TONE 151.4 FM (analog) AllStar 57651 🗓 3 nets Pleasant Prairie, WI
38.1 KA9VZD 442.6000 +5 TSQL 123.0 FM (analog) FM38 🗓 4 nets Trevor, WI
39.2 KD9ODH 927.6125 -25 TSQL 127.3 FM (analog) Pleasant Prairie, WI
39.7 W2WAY 927.8875 -25 CC9 DMR ChicagoLand Kenosha, WI
41.9 KD9OJP 433.0200 in 433.0400 CC1 DMR BrandMeister 316603101 Marengo, IL
42.2 WB9BVB 447.6500 -5 CC1 DMR BrandMeister 3165574 Greenfield, WI
42.3 W9XA 443.6562 +5 CC6 DMR ChicagoLand Plano, IL
42.5 KB9LPP 440.8438 +5 none FM (analog) (FM,DMR) Twinlakes, WI
43.0 W9CHI 444.6000 +5 DG-ID 01 Fusion (C4FM) WIRES-X 30024 Channahon, IL
46.1 KR9RK 442.0000 +5 TSQL 79.7 FM (analog) AllStar 511681 🗓 1 net Racine, WI
46.1 KR9RK 440.0063 +5 none FM (analog) (DMR,FM) ChicagoLand 🗓 1 net Racine, WI
46.9 W9GTH 429.4375 in 423.4375 CC6 DMR BrandMeister 3201376 Mount Pleasant, WI
47.2 KR9RK 147.2700 +0.6 TSQL 127.3 FM (analog) AllStar 511680 🗓 3 nets Kenosha, WI
47.3 N9OIG 146.7450 -0.6 TSQL 127.3 FM (analog) (DMR,FM) CLAND Union Grove, WI
47.3 N9OIG 442.2500 +5 TSQL 114.8 FM (analog) Union Grove, WI
47.3 N9OIG 442.1938 +5 CC9 DMR ChicagoLand Union Grove, WI
47.3 N9EF 443.5000 +5 TSQL 123.0 FM (analog) (FM,C4FM) Sandwich, IL
47.3 NB9W 438.6500 -5 CC1 DMR BrandMeister 3221919 Mount Plaesant,EN62C, WI
48.2 N9IAA 444.3500 +5 CC1 DMR DMR-MARC Crown Point, IN
48.3 W2WAY 927.7250 -25 CC9 DMR ChicagoLand Sturtevant, WI
48.5 N9OIG 442.9375 +5 CC4 DMR ChicagoLand CLAND Mobile Repeater, WI
48.5 N9OIG 442.2437 +5 CC9 DMR ChicagoLand Union Grove, WI
49.8 N9GMT 441.5250 +5 TSQL 123.0 FM (analog) FM38 🗓 4 nets Lake Geneva, WI
49.8 N9OIG 441.9438 +5 CC9 DMR ChicagoLand Walworth, WI
49.8 WI9RAC 441.8188 +5 none D-STAR Mount Pleasant, WI
3.8 AB9OV offline 442.1750 simplex TSQL 114.8 FM (analog) IRLP 8645 Chicago, IL
7.5 WA9KJE offline 147.5600 simplex TSQL 114.8 FM (analog) IRLP 8659 Chicago (Simplex), IL
7.8 W9GIL offline 440.5000 +5 CC1 DMR BrandMeister 314280 Arlington Heights, IL
9.4 W9GIL offline 440.0250 +5 TONE 114.8 FM (analog) (DMR,FM) AllStar 64944 BrandMeister 314376 Arlington Heights, IL
12.2 KB9PTI offline 443.9750 +5 CC1 DMR BrandMeister 310380 Chicago, IL
13.5 K1BDX offline 147.5700 simplex TSQL 100.0 FM (analog) IRLP 3776 Chicago, IL
13.5 K1BDX offline 146.5350 simplex TSQL 100.0 FM (analog) IRLP 3775 IRLP 3772 IRLP 3778 IRLP 3770 Chicago, IL
14.2 W9BMK offline 446.8750 simplex TSQL 110.9 FM (analog) IRLP 8285 Chicago, IL
14.7 N9VMR offline 440.9000 +5 TSQL 100.0 FM (analog) IRLP 4512 Chicago, IL
15.3 W9DUP offline 145.4300 -0.6 TSQL 107.2 FM (analog) IRLP 5370 Downers Grove EchoIRLP #510580, IL
26.5 W9CEQ offline 444.3000 +5 TSQL 114.8 FM (analog) IRLP 4850 AllStar 577992 Aurora, IL
46.4 W9AJI offline 441.2750 +5 CC9 DMR BrandMeister 312835 Peotone, IL