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

WM4X

🔒 Not available — currently licensed, through Mar 16, 2030. If it isn't renewed, it opens for vanity requests Mar 17, 2032.

📬 QSL: not on LoTW · not an eQSL AG member

📝 WM4X has filed vanity applications before — latest filed Feb 26, 2010 · what was requested

Currently held by MICHAEL A PENZO · 2 holders on record

Current holder: MICHAEL A PENZO

Held WM4X Mar 16, 2010 → present · first licensed Jun 21, 2003 as KT4FJ · 2 licenses · FRN 0009163734

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

Previous holder: ERWIN L COLLSON

Held WM4X Feb 20, 1998 → Feb 20, 2008 · first licensed Feb 20, 1998 as WM4X · 1 license · no FRN on file (pre-2001 records)

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

Vanity applications filed by WM4X

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 Feb 26, 2010
Granted Jan 6, 2020
0004139233
 KT4FJ · MICHAEL A PENZO · Amateur Extra
36 BRANNIGAN DRIVE, STAFFORD, VA 22554
38.4432, -77.4640 (street) · Grid FM18gk · CQ 5 · ITU 8 · map ↗
1.WM4X ✓ granted
 Granted
got WM4X
Filed Jan 26, 2009
Award date was Feb 13, 2009
0003714940
 KT4FJ · MICHAEL A PENZO · Amateur Extra
36 BRANNIGAN DRIVE, STAFFORD, VA 22554
38.4432, -77.4640 (street) · Grid FM18gk · CQ 5 · ITU 8 · map ↗
1.K4MP held
2.K4KF held
 Dismissed

Others requesting WM4X

2 applications listed WM4X as a choice, newest first.

FiledAwardApplicantChoice #Status
Feb 26, 2010 Mar 16, 2010 KT4FJ · MICHAEL A PENZO · STAFFORD, VA 1Granted
Jan 25, 2010 Feb 12, 2010 AD6GB · JEFFREY P MAXAM · SAN JOSE, CA 8Granted

Repeaters within 50 miles

102 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
1.7 KQ4TNV 446.4125 -5 CC1 DMR BrandMeister 314452 Staford, VA
2.5 W4AVA 146.6250 -0.6 TSQL 107.2 FM (analog) Stafford, VA
2.7 KR4KMS 449.5000 -5 CC7 DMR BrandMeister 322289401 Stafford, VA
9.6 W4IY 147.2400 +0.6 TSQL 107.2 FM (analog) EchoLink Woodbridge, VA
10.0 AE4ML 442.4000 +5 CC1 DMR BrandMeister 310747 DMRVA Spotsylvania, VA
10.0 N8RAT 442.1125 +5 CC1 DMR DMRVA Fredericksburg, VA
10.3 K4MMJ 433.1000 +5 CC1 DMR BrandMeister 317511602 Fredericksburg, FMl8, VA
12.5 K4TS 147.0150 +0.6 TSQL 79.7 FM (analog) 🗓 1 net Fredricksburg, VA
12.8 N4VKF 434.5500 +5 CC1 DMR BrandMeister 3151100 Spotsylvania, VA
12.8 W4ETC 433.5500 in 439.5500 CC1 DMR BrandMeister 3214299 Remington, VA
12.8 W1ZFB 927.0375 -12 TONE 91.5 FM (analog) AllStar 41631 Fredericksburg, VA
17.7 WD4HRO 1293.0000 -20 none D-STAR Woodbridge, VA
19.7 NQ4T 439.8000 simplex TONE 100.0 FM (analog) AllStar 59408 AllStar 594080 Manassas, VA
19.7 NQ4T 223.4000 simplex TONE 100.0 FM (analog) AllStar 594081 Manassas, VA
21.0 W4OVH 146.8650 -0.6 none D-STAR Manassas, VA
21.0 W4OVH 442.5125 +5 none D-STAR Manassas, VA
22.6 KK4QGD 425.5000 +5 CC1 DMR BrandMeister 313135 Manassas Park, VA
23.6 W4OVH
Listed as W4OVH/R
 224.6600 -1.6 TONE 100.0 FM (analog) AllStar 47551 Manassas, VA
25.5 KN4ANG 448.3000 simplex TSQL 110.9 FM (analog) IRLP 4048 Burke, VA
27.1 N4USI 145.4500 -0.6 none D-STAR Haymarket, VA
30.8 K4XY 448.3750 -5 none FM (analog) AllStar 59777 Fair Oaks, VA
30.8 KD4RTH 443.1500 +5 CC1 DMR BrandMeister 310763 Chantilly, VA
30.8 N3OCQ 443.3500 +5 CC1 DMR BrandMeister 314601 🗓 1 net Chantilly, VA
32.1 W4HFH 444.6000 +5 TSQL 107.2 FM (analog) Alexandria, VA
32.2 W4HFH 442.0600 +5 none D-STAR Alexandria, VA
32.3 W4HFH 147.3150 +0.6 TSQL 107.2 FM (analog) Alexandria, VA
32.6 K4SVT 441.9000 +5 CC1 DMR BrandMeister 311287801 Forest, VA
33.1 K4US 146.6550 -0.6 TSQL 141.3 FM (analog) (FM,C4FM) Alexandria, VA
33.1 W4HFH 442.4125 +5 CC1 DMR DMRVA Alexandria, VA
33.1 W4HFH 145.3800 -0.6 none D-STAR Alexandria, VA
33.1 W4HFH 1284.6000 -12 none D-STAR Alexandria, VA
33.4 N3QEM 442.9000 +5 CC1 DMR Interstate AWSVirginia Vienna, VA
33.4 N3QEM 145.1763 -0.6 CC13 DMR Interstate Vienna, VA
33.4 W9DSG 448.0625 -5 CC1 DMR BrandMeister 3223922 Falls Church, VA
33.4 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
33.4 N3QEM 927.6750 -25 CC1 DMR Interstate Vienna, VA
33.6 N3JLT 443.1000 +5 CC1 DMR Interstate Alexandria, VA
33.9 K0BMM 447.3125 -5 CC1 DMR BrandMeister 322315305 Arlington, VA
34.8 W4BRM
Listed as W4BRM/R
 448.2250 -5 TONE 77.0 FM (analog) AllStar 27021 Haymarket, VA
34.8 K4IAD 147.3300 +0.6 TSQL 203.5 FM (analog) Dulles, VA
35.4 N3LHD 442.4625 +5 CC1 DMR Interstate-c-Bridge-1 Brandywine, MD
35.5 KR4IXC 433.3350 +1 CC1 DMR BrandMeister 3221890 Warrenton, VA
35.9 K4HTA 146.6850 -0.6 TONE 110.9 FM (analog) AllStar 52093 EchoLink 🗓 1 net Tysons Corner, VA
36.4 N8HM 438.4500 -5 CC1 DMR BrandMeister 311101701 Arlington, VA
36.4 W4WVP 145.4700 -0.6 TSQL 107.2 FM (analog) Arlington, VA
36.7 N4CV 443.0875 +5 CC1 DMR AWSVirginia Herndon, VA
36.7 N3OCQ 447.3500 -5 CC1 DMR BrandMeister 314789 🗓 1 net Herndon, VA
36.7 N3QEM 442.4375 +5 CC1 DMR Interstate Herndon, VA
36.7 N3QEM 927.6625 -25 CC1 DMR Interstate Herndon, VA
36.7 N3QEM 145.1637 -0.6 CC13 DMR Interstate Herndon, VA
36.9 K3OCM 443.1875 +5 CC6 DMR K4USD-Net Charlotte Hall, MD
37.6 KN4EAR 430.8000 in 445.8000 CC1 DMR BrandMeister 3100457 Reston, VA
38.8 N3PPH 441.7875 +5 CC1 DMR Interstate-2 Mechanicsville, MD
38.8 WB6EFW 434.0000 +5 CC1 DMR BrandMeister 315103901 Ashburn, VA
38.9 N3QEM 442.8750 +5 CC1 DMR AWSVirginia Sterling, VA
39.5 N3RWZ 433.5000 in 446.0500 CC1 DMR BrandMeister 321485802 🗓 1 net Louisa, VA
39.8 W3SMR 147.1500 +0.6 TSQL 114.8 FM (analog) Brandywine, VA
39.9 K3WS 443.3750 -5 TONE 123.0 FM (analog) AllStar 27701 Washington, DC
39.9 K3WS 447.3750 -5 TONE 123.0 FM (analog) AllStar 27701 Washington, DC
40.0 W3AGB 444.1625 +5 CC1 DMR DMRVA Washington, DC
40.0 W3AGB 147.3600 +0.6 CC1 DMR K4USD Washington, DC
40.0 W3AGB 1283.1000 -12 none D-STAR Washington, DC
40.4 WB6EFW 442.1375 +5 CC1 DMR BrandMeister 315107 Ashburn, VA
40.4 KO4NCX 447.6750 -5 none D-STAR (DMR,DV) BrandMeister 312899 Ashburn, VA
40.4 WA4FC 444.6125 +0.6 CC1 DMR DMRVA Beaverdam, VA
40.7 WA3KOK 449.9750 -5 TSQL 107.2 FM (analog) IRLP 4000 Washington, DC
41.4 N4FSC 145.3100 -0.6 TSQL 77.0 FM (analog) Ashburn, VA
41.5 W4CUL 147.1200 +0.6 TSQL 146.2 P25 EchoLink Orange, VA
41.5 W4CUL 443.8000 +5 TSQL 146.2 FM (analog) (FM,C4FM) Orange, VA
41.5 W4CUL 224.1800 +0.6 TSQL 146.2 FM (analog) Orange, VA
41.6 W3WDC 443.0125 +5 CC4 DMR BrandMeister 312819502 Washington, DC
42.0 N3BBF 447.8750 -5 CC1 DMR BrandMeister 314982 Potomac, MD
43.2 AE4ML 147.0300 +0.6 CC1 DMR BrandMeister 310749 Madison, VA
44.7 WA3RF 441.0000 +5 TONE 173.8 FM (analog) AllStar 57512 Cheverly, MD
45.2 N3BBF 442.9000 +5 CC1 DMR BrandMeister 314963 Potomac, MD
45.4 K3GMR 146.6100 -0.6 TSQL 77.0 FM (analog) Bladensburg, MD
46.1 N3EV 145.1700 -0.6 CC1 DMR BrandMeister 311789 Leesburg, VA
46.1 N3EV 442.9000 +5 CC1 DMR BrandMeister 311790 Leesburg, VA
46.1 N3EV 447.8750 -5 CC1 DMR BrandMeister 311791 Leesburg, VA
46.1 N3EV 447.8250 -5 CC1 DMR BrandMeister 311792 Leesburg, VA
46.1 N3EV 447.7250 -5 CC1 DMR BrandMeister 311793 Leesburg, VA
46.1 WR3D 443.9000 +5 CC1 DMR OpenDMR Leesburg, VA
46.2 N3LHD 444.6500 +5 CC6 DMR Interstate-c-Bridge-1 Upper Marlboro, MD
46.6 N8RAT 223.5200 simplex TONE 100.0 FM (analog) AllStar 508861 WV/VA, VA
46.6 N8RAT 223.5600 simplex TONE 123.0 FM (analog) AllStar 508864 WV/VA, VA
47.2 KD4RJN 443.1375 +5 CC1 DMR BrandMeister 315143 Ashland, VA
47.2 KV3B 146.9550 -0.6 none FM (analog) Rockville, MD
47.3 NC3M 445.9750 simplex TONE 100.0 FM (analog) AllStar 47835 Rockville, MD
47.3 N3JFW 442.4875 +5 CC1 DMR K4USD-Net rockville, MD
47.4 KV3B 442.7500 +5 TSQL 156.7 FM (analog) Rockville, MD
47.5 W3KIT 438.2875 simplex TONE 203.5 FM (analog) AllStar 547612 AllStar 547619 SHARI-UHF Maryland, MD
47.9 N3PPH 441.3875 +5 CC1 DMR Interstate-3 Prince Frederick, MD
48.0 W3MFP 442.8875 +5 CC5 DMR BrandMeister 312428101 Wheaton, MD
48.4 WA4TSC 147.3000 +0.6 TONE 146.2 FM (analog) 🗓 1 net Mt. Weather, VA
49.2 K8GP
Listed as K8GP/R
 443.6500 +5 TONE 77.0 FM (analog) AllStar 28185 Bluemont, VA
5.9 W7DQ offline 446.9250 simplex TSQL 107.2 FM (analog) IRLP 3510 Widewater, VA
22.9 AE4ML offline 442.5750 +5 CC? DMR Madison, VA
29.3 N3QEM offline 442.9125 -5 CC? DMR Fairfax, VA
34.8 W4BRM offline 448.3250 -5 CC6 DMR BrandMeister 315148 Haymarket, VA
45.1 N3TUK offline 443.6625 +5 CC1 DMR BrandMeister 313057 Hyattsville, MD
48.4 KB3FWW offline 449.4900 simplex TSQL 146.2 FM (analog) IRLP 8856 Hollywood, MD
48.4 N3HF offline 443.4500 +5 TSQL 156.7 FM (analog) IRLP 4712 Silver Spring, MD