N9TPB
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hams within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WIW1MDR
Currently held by Mark Randolph · 1 holder on record
Current holder: Mark Randolph
Held W1MDR Feb 3, 2026 → present · first licensed Jan 10, 2026 as KR4IUZ · 2 licenses · FRN 0037830965
-
- Licensee
- Mark Randolph
- Address
- 6798 Spruce Hill Ct
Warrenton, VA 20187-4463
- FRN
- 0037830965
- Previous call
- KR4IUZ
- Last granted
- Feb 3, 2026
- Effective
- Feb 3, 2026
- Last action
- Feb 3, 2026
FCC actions (2)
- Feb 3, 2026 — Vanity call sign granted VANGRT
- Feb 3, 2026 — License issued LIISS
-
- Licensee
- Mark Randolph
- Address
- 6798 Spruce Hill Ct
Warrenton, VA 20187-4463
- FRN
- 0037830965
- Last granted
- Jan 10, 2026
- Effective
- Jan 10, 2026
- Last action
- Feb 3, 2026
FCC actions (3)
- Feb 3, 2026 — License canceled LICAN
- Jan 10, 2026 — License issued LIISS
- Jan 10, 2026 — Systematic call sign granted SYSGRT
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Sep 27, 2026 · 2 snapshots · as KR4IUZ
Mark Randolph
6798 Spruce Hill Ct, Warrenton, VA 20187-4463
Repeaters within 50 miles
107 repeaters within 50 miles of this address, closest first · map these & export for a radio →
| Miles | Call | Output | Offset | Tone | Mode | Networks | Location |
|---|---|---|---|---|---|---|---|
| 8.5 | KR4IXC | 433.3350 | +1 | CC1 | DMR | BrandMeister 3221890 | Warrenton, VA |
| 13.5 | W4BRM Listed as W4BRM/R |
448.2250 | -5 | TONE 77.0 | FM (analog) | AllStar 27021 | Haymarket, VA |
| 14.9 | W4OVH Listed as W4OVH/R |
224.6600 | -1.6 | TONE 100.0 | FM (analog) | AllStar 47551 | Manassas, VA |
| 18.2 | KK4QGD | 425.5000 | +5 | CC1 | DMR | BrandMeister 313135 | Manassas Park, VA |
| 18.7 | NQ4T | 439.8000 | simplex | TONE 100.0 | FM (analog) | AllStar 59408 AllStar 594080 | Manassas, VA |
| 18.7 | NQ4T | 223.4000 | simplex | TONE 100.0 | FM (analog) | AllStar 594081 | Manassas, VA |
| 19.5 | N8RAT | 223.5200 | simplex | TONE 100.0 | FM (analog) | AllStar 508861 | WV/VA, VA |
| 19.5 | N8RAT | 223.5600 | simplex | TONE 123.0 | FM (analog) | AllStar 508864 | WV/VA, VA |
| 20.6 | KD4RTH | 443.1500 | +5 | CC1 | DMR | BrandMeister 310763 | Chantilly, VA |
| 20.6 | N3OCQ | 443.3500 | +5 | CC1 | DMR | BrandMeister 314601 🗓 1 net | Chantilly, VA |
| 22.0 | K4IAD | 147.3300 | +0.6 | TSQL 203.5 | FM (analog) | Dulles, VA | |
| 22.4 | WA4TSC | 147.3000 | +0.6 | TONE 146.2 | FM (analog) | 🗓 1 net | Mt. Weather, VA |
| 23.2 | W4IY | 147.2400 | +0.6 | TSQL 107.2 | FM (analog) | EchoLink | Woodbridge, VA |
| 23.3 | K8GP Listed as K8GP/R |
443.6500 | +5 | TONE 77.0 | FM (analog) | AllStar 28185 | Bluemont, VA |
| 23.4 | K4XY | 448.3750 | -5 | none | FM (analog) | AllStar 59777 | Fair Oaks, VA |
| 23.5 | WB6EFW | 434.0000 | +5 | CC1 | DMR | BrandMeister 315103901 | Ashburn, VA |
| 25.4 | N3JLT | 449.9250 | -5 | CC1 | DMR | Interstate-2-Network | Bluemont, VA |
| 25.4 | KO4NCX | 447.6750 | -5 | CC1 | DMR | BrandMeister 312899 | Ashburn, VA |
| 25.4 | KQ4TNV | 446.4125 | -5 | CC1 | DMR | BrandMeister 314452 | Staford, VA |
| 26.1 | N4CV | 443.0875 | +5 | CC1 | DMR | AWSVirginia | Herndon, VA |
| 26.1 | N3OCQ | 447.3500 | -5 | CC1 | DMR | BrandMeister 314789 🗓 1 net | Herndon, VA |
| 26.1 | N3QEM | 442.4375 | +5 | CC1 | DMR | Interstate | Herndon, VA |
| 26.1 | N3QEM | 927.6625 | -25 | CC1 | DMR | Interstate | Herndon, VA |
| 26.1 | N3QEM | 145.1637 | -0.6 | CC13 | DMR | Interstate | Herndon, VA |
| 26.8 | N3QEM | 442.8750 | +5 | CC1 | DMR | AWSVirginia | Sterling, VA |
| 27.0 | KJ4NXG | 147.4200 | simplex | TONE 100.0 | FM (analog) | AllStar 50459 | Round Hill, VA |
| 27.4 | N3EV | 145.1700 | -0.6 | CC1 | DMR | BrandMeister 311789 | Leesburg, VA |
| 27.4 | N3EV | 442.9000 | +5 | CC1 | DMR | BrandMeister 311790 | Leesburg, VA |
| 27.4 | N3EV | 447.8750 | -5 | CC1 | DMR | BrandMeister 311791 | Leesburg, VA |
| 27.4 | N3EV | 447.8250 | -5 | CC1 | DMR | BrandMeister 311792 | Leesburg, VA |
| 27.4 | N3EV | 447.7250 | -5 | CC1 | DMR | BrandMeister 311793 | Leesburg, VA |
| 27.4 | WR3D | 443.9000 | +5 | CC1 | DMR | OpenDMR | Leesburg, VA |
| 27.7 | WB6EFW | 442.1375 | +5 | CC1 | DMR | BrandMeister 315107 | Ashburn, VA |
| 27.8 | KN4ANG | 448.3000 | simplex | TSQL 110.9 | FM (analog) | IRLP 4048 | Burke, VA |
| 28.2 | KR4KMS | 449.5000 | -5 | CC7 | DMR | BrandMeister 322289401 | Stafford, VA |
| 29.4 | KN4EAR | 430.8000 | in 445.8000 | CC1 | DMR | BrandMeister 3100457 | Reston, VA |
| 29.4 | W4AVA | 146.6250 | -0.6 | TSQL 107.2 | FM (analog) | Stafford, VA | |
| 29.5 | N4FSC | 145.3100 | -0.6 | TSQL 77.0 | FM (analog) | Ashburn, VA | |
| 29.6 | 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 |
| 29.6 | N3QEM | 927.6750 | -25 | CC1 | DMR | Interstate | Vienna, VA |
| 29.9 | N3QEM | 442.9000 | +5 | CC1 | DMR | Interstate AWSVirginia | Vienna, VA |
| 29.9 | N3QEM | 145.1763 | -0.6 | CC13 | DMR | Interstate | Vienna, VA |
| 32.1 | KC4RCR | 444.3000 | +5 | TONE 141.3 | FM (analog) | AllStar 58830 | Clarke County, VA |
| 32.8 | K4HTA | 146.6850 | -0.6 | TONE 110.9 | FM (analog) | AllStar 52093 EchoLink 🗓 1 net | Tysons Corner, VA |
| 33.2 | W9DSG | 448.0625 | -5 | CC1 | DMR | BrandMeister 3223922 | Falls Church, VA |
| 33.5 | N2XIF | 442.0500 | +5 | CC1 | DMR | BrandMeister | Stephens City, VA |
| 34.9 | AE4ML | 442.4000 | +5 | CC1 | DMR | BrandMeister 310747 DMRVA | Spotsylvania, VA |
| 34.9 | N8RAT | 442.1125 | +5 | CC1 | DMR | DMRVA | Fredericksburg, VA |
| 34.9 | W4RKC | 146.8200 | -0.6 | TSQL 146.2 | FM (analog) | Winchester, VA | |
| 35.3 | N4VKF | 434.5500 | +5 | CC1 | DMR | BrandMeister 3151100 | Spotsylvania, VA |
| 35.3 | W4ETC | 433.5500 | in 439.5500 | CC1 | DMR | BrandMeister 3214299 | Remington, VA |
| 35.3 | K4TS | 147.0150 | +0.6 | TSQL 79.7 | FM (analog) | 🗓 1 net | Fredricksburg, VA |
| 36.0 | K4SVT | 441.9000 | +5 | CC1 | DMR | BrandMeister 311287801 | Forest, VA |
| 36.0 | W1ZFB | 927.0375 | -12 | TONE 91.5 | FM (analog) | AllStar 41631 | Fredericksburg, VA |
| 36.4 | AE4ML | 147.0300 | +0.6 | CC1 | DMR | BrandMeister 310749 | Madison, VA |
| 36.4 | N3BBF | 447.8750 | -5 | CC1 | DMR | BrandMeister 314982 | Potomac, MD |
| 36.5 | W4WVP | 145.4700 | -0.6 | TSQL 107.2 | FM (analog) | Arlington, VA | |
| 36.6 | W4HFH | 444.6000 | +5 | TSQL 107.2 | FM (analog) | Alexandria, VA | |
| 36.7 | W4HFH | 442.0600 | +5 | none | D-STAR | Alexandria, VA | |
| 36.7 | W3VLG | 440.8000 | +5 | DG-ID 00-00 | Fusion (C4FM) | WIRES-X 52840 | Charles Town, WV |
| 36.7 | W3VLG | 145.4800 | -0.6 | DG-ID 00-00 | Fusion (C4FM) | WIRES-X 33277 | Charles Town, WV |
| 36.8 | W4HFH | 147.3150 | +0.6 | TSQL 107.2 | FM (analog) | Alexandria, VA | |
| 37.4 | K0BMM | 447.3125 | -5 | CC1 | DMR | BrandMeister 322315305 | Arlington, VA |
| 37.4 | K4MMJ | 433.1000 | +5 | CC1 | DMR | BrandMeister 317511602 | Fredericksburg, FMl8, VA |
| 37.8 | W4HFH | 442.4125 | +5 | CC1 | DMR | DMRVA | Alexandria, VA |
| 38.6 | K4US | 146.6550 | -0.6 | TSQL 141.3 | FM (analog) (FM,C4FM) | Alexandria, VA | |
| 39.6 | N3JLT | 443.1000 | +5 | CC1 | DMR | Interstate | Alexandria, VA |
| 39.7 | N8HM | 438.4500 | -5 | CC1 | DMR | BrandMeister 311101701 | Arlington, VA |
| 39.7 | N3BBF | 442.9000 | +5 | CC1 | DMR | BrandMeister 314963 | Potomac, MD |
| 40.1 | WA3KOK | 449.9750 | -5 | TSQL 107.2 | FM (analog) | IRLP 4000 | Washington, DC |
| 40.3 | NC3M | 445.9750 | simplex | TONE 100.0 | FM (analog) | AllStar 47835 | Rockville, MD |
| 40.4 | KV3B | 442.7500 | +5 | TSQL 156.7 | FM (analog) | Rockville, MD | |
| 40.7 | N3JFW | 442.4875 | +5 | CC1 | DMR | K4USD-Net | rockville, MD |
| 40.8 | KV3B | 146.9550 | -0.6 | none | FM (analog) | Rockville, MD | |
| 41.0 | W3WDC | 443.0125 | +5 | CC4 | DMR | BrandMeister 312819502 | Washington, DC |
| 41.5 | K8GP Listed as K8GP/R |
224.3400 | -1.6 | TONE 77.0 | FM (analog) | AllStar 27310 | Winchester, VA |
| 41.7 | KV3B | 53.2700 | -0.6 | TSQL 156.7 | FM (analog) | Germantown, MD | |
| 41.7 | KV3B | 444.2000 | +5 | none | D-STAR | Germantown, MD | |
| 41.8 | KA3LAO | 441.8875 | +5 | CC1 | DMR | Interstate-Network | Gaithersburg, MD |
| 42.4 | W3AGB | 444.1625 | +5 | CC1 | DMR | DMRVA | Washington, DC |
| 42.4 | W3AGB | 147.3600 | +0.6 | CC1 | DMR | K4USD | Washington, DC |
| 43.0 | K3WS | 443.3750 | -5 | TONE 123.0 | FM (analog) | AllStar 27701 | Washington, DC |
| 43.0 | K3WS | 447.3750 | -5 | TONE 123.0 | FM (analog) | AllStar 27701 | Washington, DC |
| 43.9 | W4CUL | 147.1200 | +0.6 | TSQL 146.2 | P25 | EchoLink | Orange, VA |
| 43.9 | W4CUL | 443.8000 | +5 | TSQL 146.2 | FM (analog) (FM,C4FM) | Orange, VA | |
| 43.9 | W4CUL | 224.1800 | +0.6 | TSQL 146.2 | FM (analog) | Orange, VA | |
| 44.7 | W3KIT | 438.2875 | simplex | TONE 203.5 | FM (analog) | AllStar 547612 AllStar 547619 | SHARI-UHF Maryland, MD |
| 45.2 | N6PPP | 445.0000 | -5 | CC1 | DMR | BrandMeister 3110809 | Town, L0C4T0R, MD |
| 45.3 | W3MFP | 442.8875 | +5 | CC5 | DMR | BrandMeister 312428101 | Wheaton, MD |
| 47.0 | N8JEP | 147.3150 | +0.6 | DG-ID 00-00 | Fusion (C4FM) | WIRES-X 74182 | Mount Jackson, VA |
| 47.3 | AC9KQ | 439.0000 | -5 | CC1 | DMR | BrandMeister 311844202 | Yellow Spring, FM09s, VA |
| 47.4 | K3UCB | 442.9000 | +5 | CC1 | DMR | Interstate-Network | Olney, MD |
| 47.7 | KB3LYL | 442.2125 | +5 | CC1 | DMR | K4USD-Net | Damascus, MD |
| 47.8 | K3VOA | 147.0450 | +0.6 | TONE 77.0 | FM (analog) | AllStar 23918 | Silver Spring, MD |
| 47.8 | K3VOA | 447.5750 | -5 | TONE 77.0 | FM (analog) | AllStar 23919 | Silver Spring, MD |
| 48.1 | WA3RF | 441.0000 | +5 | TONE 173.8 | FM (analog) | AllStar 57512 | Cheverly, MD |
| 48.2 | K3HP | 145.2500 | -0.6 | TONE 146.2 | FM (analog) | AllStar 29523 | Damascus, MD |
| 48.2 | K3GMR | 146.6100 | -0.6 | TSQL 77.0 | FM (analog) | Bladensburg, MD | |
| 48.4 | N3LHD | 442.4625 | +5 | CC1 | DMR | Interstate-c-Bridge-1 | Brandywine, MD |
| 49.9 | KY3O | 438.4500 | -5 | CC1 | DMR | BrandMeister 318573701 | Calverton, MD |
| 49.9 | KI4LWQ | 449.6000 | in 423.0000 | CC1 | DMR | BrandMeister 317371509 | Martinsburg, WV |
| 13.5 | W4BRM offline | 448.3250 | -5 | CC6 | DMR | BrandMeister 315148 | Haymarket, VA |
| 25.8 | N3QEM offline | 442.9125 | -5 | CC? | DMR | Fairfax, VA | |
| 30.9 | W7DQ offline | 446.9250 | simplex | TSQL 107.2 | FM (analog) | IRLP 3510 | Widewater, VA |
| 46.9 | N3HF offline | 443.4500 | +5 | TSQL 156.7 | FM (analog) | IRLP 4712 | Silver Spring, MD |
| 47.3 | N3TUK offline | 443.6625 | +5 | CC1 | DMR | BrandMeister 313057 | Hyattsville, MD |
| 47.3 | AE4ML offline | 442.5750 | +5 | CC? | DMR | Madison, VA |
Vanity requests for W1MDR
4 applications listed W1MDR as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Jan 15, 2026 | Feb 2, 2026 | KR4IUZ · Mark Randolph · Warrenton, VA | 1 | Granted |
| Jul 21, 2016 | Aug 8, 2016 | KG7NQY · Mike D Racca · Spanaway, WA | 4 | Granted |
| Sep 28, 2012 | Oct 16, 2012 | KF7YRR · Mark D Rickenbach · Camano Island, WA | 7 | Granted |
| Aug 13, 2007 | Aug 31, 2007 | KB1PHF · Daniel P Remian · Cushing, ME | 12 | Granted |