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

Derek Kreh

FRN 0034978841 · first licensed Apr 16, 2024 as KC3YYP · 2 licenses on record

Complete licensing history

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

Nets

NetWhenFrequencyRoleTimesLast
Frederick MD - Weather NetDaily 6:30 PM ET147.06Checked in12026-09-24

From nets logged with NetLogger since the start of collection.

Repeaters within 50 miles

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

MilesCallOutputOffsetToneModeNetworksLocation
9.4 N3ETH 440.0500 simplex TONE 107.2 FM (analog) AllStar 520691 Battlefield of Gettysburg, PA
9.4 N3ETH
Listed as N3ETH/R
 447.6750 -5 TONE 107.2 FM (analog) AllStar 520690 Battlefield of Gettysburg, PA
10.0 N3ETH 144.0600 simplex TONE 107.2 FM (analog) AllStar 520692 Gettysburg, PA
10.5 N2JEH 146.4450 +1 CC1 DMR Interstate Fairfield, PA
13.7 N3GPE 439.0000 -5 CC1 DMR BrandMeister 3173412 Gettysburg, Pennsylv, PA
15.3 K3PZN 145.4100 -0.6 TSQL 114.8 FM (analog) 🗓 1 net Westminster, MD
15.4 K3PZN 449.8750 -5 TSQL 127.3 FM (analog) (FM,C4FM) 🗓 1 net Westminster, MD
16.1 N3KZS 146.8950 -0.6 TSQL 107.2 FM (analog) IRLP 7070 Manchester, MD
17.5 KC3SNV 438.0125 -5 CC1 DMR BrandMeister 318357102 Frederick, MD
18.1 KB3VVB 445.2312 +0.6001 CC1 DMR Interstate-2 Hanover Pa Pigeon Hills, PA
19.7 KS3M 147.5100 simplex TONE 114.8 FM (analog) AllStar 57337 AllStar 573370 Abbottstown, PA
20.4 K3DO 441.9625 +5 CC1 DMR BrandMeister 312413 Frederick, MD
20.4 K3DO 447.8750 -5 CC1 DMR BrandMeister 312413 Frederick, MD
20.8 W3FDK 146.7300 -0.6 TONE 141.3 FM (analog) 🗓 2 nets Frederick, MD
24.4 KD3SU 146.5350 simplex TSQL 88.5 FM (analog) IRLP 8841 Boonsboro, MD
26.2 K3PZN 147.2850 +0.6 TSQL 107.2 FM (analog) 🗓 1 net Sykesville, MD
26.5 KD3SU 442.9500 +5 TONE 94.8 FM (analog) AllStar 27299 Boonsboro, MD
26.5 KD3SU 146.7750 -0.6 TONE 114.8 FM (analog) AllStar 27299 Boonsboro, MD
27.7 N6PPP 445.0000 -5 CC1 DMR BrandMeister 3110809 Town, L0C4T0R, MD
27.8 K3CUJ 147.3900 +0.6 TSQL 156.7 FM (analog) (FM,C4FM) Cooksville, MD
28.4 K3HP 145.2500 -0.6 TONE 146.2 FM (analog) AllStar 29523 Damascus, MD
28.6 WR3IRS 223.9000 -1.6 CC1 DMR Interstate Chambersburg, PA
28.6 WR3IRS 441.9000 +5 CC1 DMR Interstate Chambersburg, PA
29.0 K3AE 146.7000 -0.6 TSQL 114.8 FM (analog) Shrewsbury, PA
29.0 K3AE 449.7250 -5 CC1 DMR K4USD Shrewsbury, PA
29.2 KB3LYL 442.2125 +5 CC1 DMR K4USD-Net Damascus, MD
29.2 K5FQ 445.3000 -5 CC1 DMR BrandMeister 315290301 Shippensburg, PA
30.0 N3EJT 147.1950 +0.6 CC1 DMR Not-Linked Owings Mills, MD
30.0 N3CDY 449.0750 -5 CC1 DMR Interstate Owings Mills, MD
30.5 N2JEH 444.0562 +5 CC1 DMR Interstate Dillsburg, PA
31.7 K4VSS 438.4500 -5 CC1 DMR BrandMeister 322675501 Rising Sun, PA
31.7 NE3KO 445.9750 -5 CC5 DMR BrandMeister 314292901 Boiling Springs, PA
31.8 WR3IRS 441.1500 +5 CC1 DMR Interstate York, PA
31.8 W3HZU 447.2750 -5 CC1 DMR BrandMeister 314249 AllStar 28445 YORK, PA
33.8 W3ETO 444.8000 +5 CC1 DMR BrandMeister 3210491 Carlisle, PA
34.8 KV3B 53.2700 -0.6 TSQL 156.7 FM (analog) Germantown, MD
34.8 KV3B 444.2000 +5 none D-STAR Germantown, MD
35.3 N3CNJ 448.5250 -5 CC1 DMR TGIF Red Lion, PA
35.4 KC3IN 438.4750 -5 CC1 DMR BrandMeister 3225889 Mechanicburg, PA
35.4 KA3CNT 224.8400 -1.6 TONE 131.8 FM (analog) AllStar 452073 Red Lion PA == HUB ==> 452072, PA
36.2 W3HZU 53.9700 -0.5 TONE 127.3 FM (analog) AllStar 27791 York, PA
36.9 KC3OQK 439.0000 -5 CC1 DMR BrandMeister 3159601 Ellicott City, MD
36.9 KC3OQK 449.0000 -5 CC1 DMR BrandMeister 315960101 Ellicott City, MD
37.5 W3WAN
Listed as W3WAN/R
 145.2700 -0.6 TONE 74.4 FM (analog) AllStar 2145 Chambersburg, PA
37.6 KA3LAO 441.8875 +5 CC1 DMR Interstate-Network Gaithersburg, MD
37.7 WS3D 441.0500 +5 CC1 DMR BrandMeister 3202143 Duncansville, PA
37.8 KG1JAG 446.5000 -5 CC1 DMR BrandMeister 321925001 Town, L0C4T0R, MD
38.0 K3OCM 443.8500 +5 CC6 DMR K4USD-Net Towson, MD
38.0 WR3IRS 441.4000 +5 CC1 DMR Interstate Towson, MD
38.2 K3UCB 442.9000 +5 CC1 DMR Interstate-Network Olney, MD
38.4 W3FT 146.6700 -0.6 TSQL 107.2 FM (analog) Towson, MD
39.1 N3FIX 445.4200 simplex TONE 100.0 FM (analog) AllStar 46891 Cly, PA
40.4 KC3OXD 449.8250 -5 CC7 DMR BrandMeister 313491 BrandMeister 314456 Carlisle, PA
40.6 N3FUD 439.7500 in 438.0500 CC1 DMR BrandMeister 311483801 New Cumberland, PA
41.5 N3JUO 446.1000 simplex TONE 123.0 FM (analog) AllStar 59866 Carlisle, PA
41.8 KV3B 442.7500 +5 TSQL 156.7 FM (analog) Rockville, MD
42.0 NC3M 445.9750 simplex TONE 100.0 FM (analog) AllStar 47835 Rockville, MD
42.2 N3SBP 223.8000 -1.6 CC1 DMR BrandMeister 312410402 BrandMeister 314562 Parkville, MD
42.2 N3CDY 927.0625 -25 CC1 DMR Interstate Baltimore, MD
42.2 N3JFW 442.4875 +5 CC1 DMR K4USD-Net rockville, MD
42.4 KV3B 146.9550 -0.6 none FM (analog) Rockville, MD
42.5 KB3HGW 448.8000 -5 CC1 DMR BrandMeister 321114701 Jessup, MD
42.8 N3CNJ 145.2700 -0.6 CC1 DMR TGIF BM-S2 Fallston, MD
43.1 KI4LWQ 449.6000 in 423.0000 CC1 DMR BrandMeister 317371509 Martinsburg, WV
43.2 K3VOA 147.0450 +0.6 TONE 77.0 FM (analog) AllStar 23918 Silver Spring, MD
43.2 K3VOA 447.5750 -5 TONE 77.0 FM (analog) AllStar 23919 Silver Spring, MD
43.3 KC3PZW 438.8750 +5 CC1 DMR BrandMeister 320479304 Harrisburg, PA
43.4 KC3PZW 438.8000 +5 CC1 DMR BrandMeister 320479301 Harrisburg, PA
43.9 W3ZTB 443.1230 +5 CC1 DMR BrandMeister 313393 Harrisburg, PA
43.9 WR3IRS 441.6500 +5 CC1 DMR Interstate Harrisburg, PA
44.2 W3VLG 440.8000 +5 DG-ID 00-00 Fusion (C4FM) WIRES-X 52840 Charles Town, WV
44.2 W3VLG 145.4800 -0.6 DG-ID 00-00 Fusion (C4FM) WIRES-X 33277 Charles Town, WV
44.3 KA3LAO 442.7125 +5 CC1 DMR Interstate-2-Network Jessup, MD
44.4 WA3DZD 146.7600 -0.6 TSQL 107.2 FM (analog) Jessup, MD
44.5 N3EV 145.1700 -0.6 CC1 DMR BrandMeister 311789 Leesburg, VA
44.5 N3EV 442.9000 +5 CC1 DMR BrandMeister 311790 Leesburg, VA
44.5 N3EV 447.8750 -5 CC1 DMR BrandMeister 311791 Leesburg, VA
44.5 N3EV 447.8250 -5 CC1 DMR BrandMeister 311792 Leesburg, VA
44.5 N3EV 447.7250 -5 CC1 DMR BrandMeister 311793 Leesburg, VA
44.5 WR3D 443.9000 +5 CC1 DMR OpenDMR Leesburg, VA
44.6 N3BBF 442.9000 +5 CC1 DMR BrandMeister 314963 Potomac, MD
45.0 WA3KOK 446.5000 simplex TSQL 100.0 FM (analog) IRLP 4332 Laurel, MD
45.0 WB6EFW 442.1375 +5 CC1 DMR BrandMeister 315107 Ashburn, VA
45.1 N3TWT 146.6850 -0.6 CC1 DMR K4USD Landisburg, PA
45.5 W3SQN 442.9000 +5 CC1 DMR BrandMeister 312418 Laurel, MD
45.5 W3MFP 442.8875 +5 CC5 DMR BrandMeister 312428101 Wheaton, MD
45.6 W3KIT 438.2875 simplex TONE 203.5 FM (analog) AllStar 547612 AllStar 547619 SHARI-UHF Maryland, MD
45.9 KD3CXK 439.0650 -1 CC1 DMR BrandMeister 3223379 Brooklyn, MD
46.1 N4FSC 145.3100 -0.6 TSQL 77.0 FM (analog) Ashburn, VA
46.2 KY3O 438.4500 -5 CC1 DMR BrandMeister 318573701 Calverton, MD
46.4 N8WXZ 440.0250 +5 CC2 DMR BrandMeister 316713802 Elizabethtown, FN10r, PA
46.7 N7JMS 434.3000 simplex TONE 88.5 FM (analog) AllStar 63155 Harrisburg, PA
47.0 N3BBF 447.8750 -5 CC1 DMR BrandMeister 314982 Potomac, MD
47.3 N3CNJ 147.1650 +0.6 CC1 DMR TGIF Delta, PA
48.0 KO4NCX 447.6750 -5 CC1 DMR BrandMeister 312899 Ashburn, VA
48.2 WB3FFV 438.0150 -5 CC1 DMR BrandMeister 322199401 Middle River, MD FM1, MD
48.4 N8RAT
Listed as N8RAT/R
 224.7400 -1.6 TONE 131.8 FM (analog) AllStar 40485 Martinsburg, WV
48.4 KJ4NXG 147.4200 simplex TONE 100.0 FM (analog) AllStar 50459 Round Hill, VA
48.6 W3DAK 447.3750 -5 CC1 DMR BrandMeister 312299 Middle River, MD
48.6 N3EMC 927.7000 -25 CC2 DMR TGIF AllStar 67341 Middle River, MD
48.6 W3ND 145.2900 -0.6 TSQL 123.0 FM (analog) IRLP 7060 Harrisburg, PA
48.6 N3QEM 442.8750 +5 CC1 DMR AWSVirginia Sterling, VA
48.7 W3ND 145.4700 -0.6 TONE 123.0 FM (analog) AllStar 585611 Harrisburg, PA
49.1 W3CPO 448.5000 -5 CC1 DMR BrandMeister 312442201 Glen Burnie, MD
49.2 WN3S 439.0000 -5 CC1 DMR BrandMeister 3197267 Bel Air, MD
49.8 WB6EFW 434.0000 +5 CC1 DMR BrandMeister 315103901 Ashburn, VA
49.9 KN4EAR 430.8000 in 445.8000 CC1 DMR BrandMeister 3100457 Reston, VA
22.3 KB3SNM offline 147.5400 simplex TSQL 88.5 FM (analog) IRLP 4014 Spring Grove, PA
26.5 KD3SU offline 147.4400 simplex TSQL 79.7 FM (analog) IRLP 8562 Boonsboro, MD
37.4 KB3TWW offline 444.4000 +5 CC? DMR Mechanicsburg, PA
38.4 N2MCS offline 442.9000 +5 CC? DMR Baltimore, MD
39.2 N2JEH offline 449.4000 -5 CC1 DMR Pi-Star-P25 New Cumberland, PA
41.9 WA3KOK offline 144.9700 simplex TSQL 107.2 FM (analog) IRLP 4542 Clarksville, MD
41.9 WA3KOK offline 144.4400 simplex none FM (analog) IRLP 4173 Laurel, MD
42.8 W3LRC offline 447.8500 -5 CC1 DMR BrandMeister 314342 Jessup, MD
46.7 N3HF offline 443.4500 +5 TSQL 156.7 FM (analog) IRLP 4712 Silver Spring, MD
48.0 W3DAK offline 145.1700 -0.6 CC1 DMR BrandMeister 312377 Middle River, MD
48.1 KO3L offline 147.1200 +0.6 CC1 DMR BrandMeister 311985 Belair, MD
48.5 KA0JQO offline 147.1050 +0.6 TSQL 141.3 FM (analog) (DMR,FM) IRLP 4288 Interstate Mountville, PA

Vanity applications

Filed · AwardApplicantRequested (in order)Status
Filed Feb 4, 2026
Granted Feb 24, 2026
0011895619
 KC3YYP · Derek Kreh · Amateur Extra
4101 BAPTIST RD, Taneytown, MD 21787-1713
39.6933, -77.2157 (street) · Grid FM19jq · CQ 5 · ITU 8 · map ↗
1.NE3R ✓ granted
 Granted
got NE3R
Filed Jan 12, 2026
Award date was Jan 30, 2026
0011864293
 KC3YYP · Derek Kreh · Amateur Extra
4101 BAPTIST RD, Taneytown, MD 21787-1713
39.6933, -77.2157 (street) · Grid FM19jq · CQ 5 · ITU 8 · map ↗
1.N3HN held
 Dismissed