N9TPB
FCC License Search
🕒 FCC license data updated yesterday 8:30 am CDT (FCC files through Oct 1, 2026) · next update today 6:00 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, WIK2AVA HAM
Amateur Extra class
licensed since 2000 (26 yrs)
Hagerstown, MD
grid FM19eq
138 repeaters within 50 mi
🔒 Not available — currently licensed, through Aug 25, 2027. If it isn't renewed, it opens for vanity requests Aug 26, 2029.
📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH
Currently held by HERMAN A NIEDZIELSKI · 1 holder on record
Current holder: HERMAN A NIEDZIELSKI
Held K2AVA Jun 8, 2000 → present · first licensed Jun 8, 2000 as K2AVA · 1 license · FRN 0003531019
-
- Licensee
- HERMAN A NIEDZIELSKI
- Address
- 21512 LEITERSBURG SMITHSBURG RD
HAGERSTOWN, MD 21742-4936
- FRN
- 0003531019
- Last granted
- Jun 20, 2017
- Effective
- Jun 20, 2017
- Last action
- Jun 20, 2017
FCC actions (5)
- Jun 20, 2017 — License renewed LIREN
- Feb 17, 2017 — License modified LIMOD
- Jul 14, 2007 — Administrative update LIAUA
- Jul 13, 2007 — License renewed LIREN
- Jun 8, 2000 — License modified LIMOD
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as K2AVA
HERMAN A NIEDZIELSKI
21512 LEITERSBURG SMITHSBURG RD, HAGERSTOWN, MD 21742-4936
Others requesting K2AVA
1 application listed K2AVA as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Feb 9, 2004 | Feb 27, 2004 | KC2MMB · MICHAEL F ORPILLA · NEW YORK, NY | 4 | Dismissed |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for K2AVA in the last 24 hours. They show up here within seconds of K2AVA beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
Repeaters within 50 miles
138 repeaters within 50 miles of this address, closest first · sort: closest · most active · map these & export for a radio →
● confirmed on the air · ● probably · ● reported off the air · ● unknown · ◉ 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)
| Miles | Call | Name | Output | Offset | Tone | Mode | Networks | Activity | Location |
|---|---|---|---|---|---|---|---|---|---|
| 5.7 | W3CWC | Pen Mar Quirauk W3CWC AllStar |
147.0900 | +0.6 | TSQL 100.0 | FM (analog) (FM,C4FM) | AllStar 61487 | — | Pen Mar, MD |
| 5.7 | W3CWC | Pen Mar Quirauk W3CWC WIRES-X |
447.9750 | -5 | TSQL 100.0 | FM (analog) (FM,C4FM) | WIRES-X 18217 | — | Pen Mar, MD |
| 6.3 | W3CWC | Hagerstown W3CWC |
147.3750 | +0.6 | TONE 100.0 | FM (analog) | — | Hagerstown, MD | |
| 6.5 | W3ARK | Hagerstown W3ARK |
447.1250 | -5 | TSQL 123.0 | FM (analog) | — | Hagerstown, MD | |
| 8.3 | K3KMA | Thurmont K3KMA |
448.0250 | -5 | TSQL 103.5 | FM (analog) | — | Thurmont, MD | |
| 11.7 | N2JEH | Fairfield Libert N2JEH Interstate |
146.4450 | +1 | CC1 | DMR | Interstate | — | Fairfield, PA |
| 12.8 | KD3SU | Boonsboro KD3SU AllStar |
442.9500 | +5 | TONE 94.8 | FM (analog) | AllStar 27299 | — | Boonsboro, MD |
| 13.8 | KA3LAO | Fairfield KA3LAO Interstat |
146.4750 | +1 | CC1 | DMR | Interstate-Network | — | Fairfield, PA |
| 14.5 | KD3SU | Boonsboro KD3SU AllStar |
146.7750 | -0.6 | TONE 114.8 | FM (analog) | AllStar 27299 | — | Boonsboro, MD |
| 15.0 | W3FDK | Frederick Gambri W3FDK |
444.8000 | +5 | none | D-STAR | 🗓 2 nets | 2 nets · 8 check-ins · 8 stations | Frederick, MD |
| 15.0 | K3DO | Frederick Gambri K3DO BM |
441.9625 | +5 | none | D-STAR (DMR,DV) | BrandMeister 312413 | — | Frederick, MD |
| 15.0 | N3KTX | Frederick Gambri N3KTX |
53.4700 | -1 | TSQL 107.2 | FM (analog) | — | Frederick, MD | |
| 15.0 | W3FDK | Frederick Gambri W3FDK WIRES-X |
441.8000 | +5 | TSQL 141.3 | FM (analog) (FM,C4FM) | WIRES-X 01918 🗓 2 nets | 2 nets · 8 check-ins · 8 stations | Frederick, MD |
| 15.0 | K3DO | Frederick K3DO BM |
447.8750 | -5 | CC1 | DMR | BrandMeister 312413 | — | Frederick, MD |
| 15.0 | W3FDK | Frederick Gambri W3FDK AllStar |
146.7300 | -0.6 | TSQL 141.3 | FM (analog) | AllStar 54672 EchoLink 614369 🗓 2 nets | 2 nets · 8 check-ins · 8 stations | Frederick, MD |
| 15.0 | N3ST | Frederick Gambri N3ST |
444.1000 | +5 | TONE 167.9 | FM (analog) | — | Frederick, MD | |
| 15.0 | K3ERM | Frederick Gambri K3ERM WIRES-X |
448.4250 | -5 | TSQL 100.0 | FM (analog) (FM,C4FM) | WIRES-X 40386 | — | Frederick, MD |
| 15.1 | N3ITA | Frederick N3ITA |
442.8000 | +5 | TSQL 79.7 | FM (analog) (FM,P25) | — | Frederick, MD | |
| 16.6 | KC3SNV | Frederick KC3SNV BM |
438.0125 | -5 | CC1 | DMR | BrandMeister 318357102 | — | Frederick, MD |
| 16.7 | K3MAD | Clear Spring K3MAD |
147.3450 | +0.6 | TONE 123.0 | FM (analog) | 🗓 2 nets | 2 nets · 113 check-ins · 38 stations | Clear Spring, MD |
| 16.7 | WR3IRS | Chambersburg WR3IRS Interstat |
223.9000 | -1.6 | CC1 | DMR | Interstate | — | Chambersburg, PA |
| 17.2 | W3WAN | Chambersburg W3WAN AllStar |
145.2700 | -0.6 | TONE 74.4 | FM (analog) | AllStar 2145 | — | Chambersburg, PA |
| 17.2 | KA3LAO | Chambersburg KA3LAO Interstat |
146.4150 | +1 | CC1 | DMR | Interstate-Network | — | Chambersburg, PA |
| 17.2 | WR3IRS | Chambersburg WR3IRS Interstat |
441.9000 | +5 | CC1 | DMR | Interstate | — | Chambersburg, PA |
| 18.4 | N3UHD | Clear Spring N3UHD EchoLink |
442.6500 | +5 | TONE 79.7 | FM (analog) | EchoLink 481682 | — | Clear Spring, MD |
| 18.7 | W3CWC | Hagerstown Fairv W3CWC AllStar |
146.9400 | -0.6 | TSQL 100.0 | FM (analog) (FM,C4FM) | AllStar 615210 EchoLink 324658 | — | Hagerstown, MD |
| 19.8 | W3ARK | Frederick Braddo W3ARK |
444.3500 | +5 | TSQL 100.0 | FM (analog) | — | Frederick, MD | |
| 20.4 | K3ERM | Frederick K3ERM |
146.6400 | -0.6 | TSQL 156.7 | FM (analog) | — | Frederick, MD | |
| 20.8 | W3FDK | Frederick W3FDK |
145.1700 | -0.6 | none | D-STAR | 🗓 2 nets | 2 nets · 8 check-ins · 8 stations | Frederick, MD |
| 22.1 | K3MAD | Frederick K3MAD |
147.0600 | +0.6 | TSQL 146.2 | FM (analog) | 🗓 2 nets | 2 nets · 113 check-ins · 38 stations | Frederick, MD |
| 22.1 | K3MAD | Frederick K3MAD |
224.2000 | -1.6 | TONE 123.0 | FM (analog) | 🗓 2 nets | 2 nets · 113 check-ins · 38 stations | Frederick, MD |
| 22.1 | WA3KOK | Frederick WA3KOK AllStar |
443.4000 | +5 | TSQL 136.5 | FM (analog) (FM,P25) | AllStar 60309 | — | Frederick, MD |
| 22.2 | KB3UAG | Chambersburg KB3UAG Interstat |
145.2500 | -0.6 | CC1 | DMR | Interstate-2-Network | — | Chambersburg, PA |
| 22.9 | W3KGN | Gettysburg W3KGN |
145.3500 | -0.6 | TONE 103.5 | FM (analog) | — | Gettysburg, PA | |
| 22.9 | N3ETH Listed as N3ETH/R |
Gettysburg N3ETH AllStar |
447.6750 | -5 | TSQL 107.2 | FM (analog) | AllStar 520690 | — | Gettysburg, PA |
| 23.0 | N3ETH | Battlefield of G N3ETH AllStar |
440.0500 | simplex | TONE 107.2 | FM (analog) | AllStar 520691 | — | Battlefield of Gettysburg, PA |
| 23.1 | N3GPE | Gettysburg Penns N3GPE BM |
439.0000 | -5 | CC1 | DMR | BrandMeister 3173412 | — | Gettysburg, Pennsylv, PA |
| 23.2 | K3LMS | Jefferson K3LMS |
443.3000 | +5 | TONE 100.0 | FM (analog) | — | Jefferson, MD | |
| 24.3 | K5FQ | Shippensburg K5FQ BM |
445.3000 | -5 | CC1 | DMR | BrandMeister 315290301 | — | Shippensburg, PA |
| 24.3 | N3ETH | Gettysburg N3ETH AllStar |
144.0600 | simplex | TONE 107.2 | FM (analog) | AllStar 520692 | — | Gettysburg, PA |
| 24.4 | W8ORS | Martinsburg W8ORS |
145.1500 | -0.6 | TSQL 179.9 | FM (analog) | — | Martinsburg, WV | |
| 24.4 | KB8UUE | Martinsburg KB8UUE EchoLink |
147.2550 | +0.6 | TONE 123.0 | FM (analog) | EchoLink 123456 🗓 1 net | 1 net · 29 check-ins · 16 stations | Martinsburg, WV |
| 24.4 | K1LLS | Martinsburg K1LLS |
442.7000 | +5 | DCS 023 | FM (analog) | — | Martinsburg, WV | |
| 24.4 | KI4LWQ | Martinsburg KI4LWQ BM |
449.6000 | in 423.0000 | CC1 | DMR | BrandMeister 317371509 | — | Martinsburg, WV |
| 25.7 | W3ACH | Chambersburg Cla W3ACH |
147.1200 | +0.6 | TSQL 100.0 | FM (analog) | — | Chambersburg, PA | |
| 25.8 | W3KGN | Biglerville W3KGN |
443.1000 | +5 | TONE 103.5 | FM (analog) | — | Biglerville, PA | |
| 27.7 | WV8VRC | Charles Town WV8VRC WIRES-X |
440.8000 | +5 | Fusion (C4FM) | WIRES-X 52840 | — | Charles Town, WV | |
| 28.5 | N8RAT | Martinsburg N N8RAT |
441.8500 | +5 | Fusion (C4FM) | — | Martinsburg, WV | ||
| 29.0 | N8RAT Listed as N8RAT/R |
Martinsburg N8RAT AllStar |
224.7400 | -1.6 | TONE 131.8 | FM (analog) | AllStar 40485 | — | Martinsburg, WV |
| 29.0 | N8RAT | Martinsburg N N8RAT |
442.8500 | +5 | TSQL 100.0 | FM (analog) | — | Martinsburg, WV | |
| 29.0 | N8RAT | Martinsburg N N8RAT AllStar |
224.3800 | -1.6 | TSQL 123.0 | FM (analog) | AllStar 40485 | — | Martinsburg, WV |
| 30.5 | WA4TXE | Charles Town WA4TXE |
146.8500 | -0.6 | TONE 77.0 | FM (analog) | — | Charles Town, WV | |
| 30.5 | N5SWR | Charles Town N5SWR WIRES-X |
145.4800 | -0.6 | Fusion (C4FM) | WIRES-X 33277 | — | Charles Town, WV | |
| 30.9 | N6PPP | Town L0C4T0R N6PPP BM |
445.0000 | -5 | CC1 | DMR | BrandMeister 3110809 | — | Town, L0C4T0R, MD |
| 31.0 | W3VLG | Charles Town W3VLG WIRES-X |
440.8000 | +5 | DG-ID 00-00 | Fusion (C4FM) | WIRES-X 52840 | — | Charles Town, WV |
| 31.0 | W3VLG | Charles Town W3VLG WIRES-X |
145.4800 | -0.6 | DG-ID 00-00 | Fusion (C4FM) | WIRES-X 33277 | — | Charles Town, WV |
| 32.6 | WV8FK | Berke W Virginia WV8FK |
53.7500 | -1 | TSQL 110.9 | FM (analog) | — | Berkeley Springs, WV | |
| 33.0 | W3CGT | Mount Airy W3CGT |
448.5750 | -5 | TONE 69.3 | FM (analog) | — | Mount Airy, MD | |
| 34.1 | N3TWT | Mount Holl S Mtn N3TWT EchoLink |
145.4300 | -0.6 | TONE 67.0 | FM (analog) | EchoLink 743026 | — | Mount Holly Springs, PA |
| 35.5 | K3PZN | Westminster K3PZN |
145.4100 | -0.6 | TSQL 114.8 | FM (analog) | 🗓 1 net | 1 net | Westminster, MD |
| 35.5 | K3PZN | Westminster K3PZN |
449.8750 | -5 | TSQL 127.3 | FM (analog) (C4FM,FM) | 🗓 1 net | 1 net | Westminster, MD |
| 35.5 | K3PZN | Westminster K3PZN |
53.0900 | -1 | TSQL 107.2 | FM (analog) | 🗓 1 net | 1 net | Westminster, MD |
| 36.8 | KB3LYL | Damascus KB3LYL K4USD-Net |
442.2125 | +5 | CC1 | DMR | K4USD-Net | — | Damascus, MD |
| 37.0 | N3TWT | Toboyne Three N3TWT EchoLink |
146.4600 | +1 | TONE 67.0 | FM (analog) | EchoLink 783492 | — | Toboyne, PA |
| 37.1 | KS3M | Abbottstown KS3M AllStar |
147.5100 | simplex | TONE 114.8 | FM (analog) | AllStar 57337 AllStar 573370 | — | Abbottstown, PA |
| 37.5 | W3MUM | Hanover Pigeon W3MUM |
147.3300 | +0.6 | TONE 123.0 | FM (analog) | — | Hanover, PA | |
| 37.6 | N3KZS | Manchester N3KZS AllStar |
146.8950 | -0.6 | TSQL 107.2 | FM (analog) | AllStar 520690 IRLP 7070 | — | Manchester, MD |
| 37.6 | KB3VVB | Hanover Pigeon KB3VVB Interstat |
445.2312 | -5 | CC1 | DMR | Interstate-2 | — | Hanover, PA |
| 38.5 | K4AUI | Hamilton K4AUI |
441.7000 | +5 | none | FM (analog) | — | Hamilton, VA | |
| 38.9 | KJ4NXG | Round Hill KJ4NXG AllStar |
147.4200 | simplex | TONE 100.0 | FM (analog) | AllStar 50459 | — | Round Hill, VA |
| 39.8 | WA4TXE | Leesburg WA4TXE |
146.7000 | -0.6 | TONE 77.0 | FM (analog) | — | Leesburg, VA | |
| 39.8 | WA4TXE | Leesburg WA4TXE |
442.1000 | +5 | TONE 77.0 | FM (analog) | — | Leesburg, VA | |
| 39.8 | WA3KOK | Leesburg WA3KOK |
927.0500 | -25 | TSQL 156.7 | P25 | — | Leesburg, VA | |
| 39.8 | W3ETO | Carlisle W3ETO BM |
444.8000 | +5 | CC1 | DMR | BrandMeister 3210491 | — | Carlisle, PA |
| 40.3 | WA3KOK | Germantown WA3KOK |
147.2700 | +0.6 | TONE 156.7 | FM (analog) (FM,P25) | — | Germantown, MD | |
| 40.3 | KV3B | Germantown KV3B |
444.2000 | +5 | none | D-STAR | — | Germantown, MD | |
| 40.4 | NE3KO | Boiling Springs NE3KO BM |
445.9750 | -5 | CC5 | DMR | BrandMeister 314292901 | — | Boiling Springs, PA |
| 40.5 | N3EV | Leesburg N3EV BM |
145.1700 | -0.6 | CC1 | DMR | BrandMeister 311789 | — | Leesburg, VA |
| 40.5 | N3EV | Leesburg N3EV BM |
442.9000 | +5 | CC1 | DMR | BrandMeister 311790 | — | Leesburg, VA |
| 40.5 | N3EV | Leesburg N3EV BM |
447.8750 | -5 | CC1 | DMR | BrandMeister 311791 | — | Leesburg, VA |
| 40.5 | N3EV | Leesburg N3EV BM |
447.8250 | -5 | CC1 | DMR | BrandMeister 311792 | — | Leesburg, VA |
| 40.5 | N3EV | Leesburg N3EV BM |
447.7250 | -5 | CC1 | DMR | BrandMeister 311793 | — | Leesburg, VA |
| 40.5 | WR3D | Leesburg WR3D OpenDMR |
443.9000 | +5 | CC1 | DMR | OpenDMR | — | Leesburg, VA |
| 40.7 | KC4RCR | Berryville KC4RCR AllStar |
444.3000 | +5 | TSQL 141.3 | FM (analog) | AllStar 58830 EchoLink 527721 | — | Berryville, VA |
| 41.0 | K3CUJ | Cooksville K3CUJ |
147.3900 | +0.6 | TONE 156.7 | FM (analog) (C4FM,FM) | — | Cooksville, MD | |
| 41.1 | K3CUJ | Cooksville K3CUJ |
448.2750 | -5 | TSQL 156.7 | FM (analog) (FM,C4FM) | — | Cooksville, MD | |
| 41.1 | KK3L | Berkeley Springs KK3L Interstate- |
443.8500 | +5 | CC1 | DMR | Interstate-3-Network 🗓 1 net | 1 net · 30 check-ins · 17 stations | Berkeley Springs, WV |
| 41.1 | K3PZN | Sykesville K3PZN |
147.2850 | +0.6 | TONE 156.7 | FM (analog) | 🗓 1 net | 1 net | Sykesville, MD |
| 41.6 | N3JLT | Bluemont Mt N3JLT Interstate |
449.9250 | -5 | CC1 | DMR | Interstate-2-Network 🗓 1 net | 1 net · 70 check-ins · 39 stations | Bluemont, VA |
| 42.3 | KK3L | Berk Cacapon Mtn KK3L |
146.7450 | -0.6 | TONE 123.0 | FM (analog) | 🗓 1 net | 1 net · 30 check-ins · 17 stations | Berkeley Springs, WV |
| 42.3 | W3VLG | Berk Cacapon Mtn W3VLG |
224.7000 | -1.6 | TSQL 123.0 | FM (analog) | — | Berkeley Springs, WV | |
| 42.3 | WA3KOK | Berk Cacapon Mtn WA3KOK |
442.4500 | +5 | TONE 107.2 | FM (analog) (FM,P25) | — | Berkeley Springs, WV | |
| 42.3 | N8RAT | Berk Cacapon Mtn N8RAT |
444.9500 | +5 | TSQL 123.0 | FM (analog) | — | Berkeley Springs, WV | |
| 43.4 | WB6EFW | Leesburg WB6EFW AllStar |
145.1850 | -0.6 | TSQL 103.5 | FM (analog) | AllStar 66672 EchoLink 485356 | — | Leesburg, VA |
| 43.4 | WB6EFW | Leesburg WB6EFW |
224.0000 | -1.6 | TSQL 123.0 | FM (analog) | — | Leesburg, VA | |
| 43.4 | WB6EFW | Ashburn WB6EFW BM |
442.1375 | +5 | CC1 | DMR | BrandMeister 315107 | — | Ashburn, VA |
| 43.8 | N3JLT | Bluemont Blue N3JLT |
147.3000 | +0.6 | TONE 146.2 | FM (analog) | 🗓 1 net | 1 net · 70 check-ins · 39 stations | Bluemont, VA |
| 43.8 | KB3TWW | Dillsburg KB3TWW Interstat |
146.7900 | -0.6 | CC1 | DMR | Interstate-1-cbridge | — | Dillsburg, PA |
| 43.8 | N2JEH | Dillsburg Roundt N2JEH Interstate |
444.0562 | +5 | CC1 | DMR | Interstate | — | Dillsburg, PA |
| 43.8 | N2JEH | Dillsburg Roundt N2JEH |
444.4000 | +5 | none | P25 | — | Dillsburg, PA | |
| 43.8 | KA3LAO | Gaithersburg RF KA3LAO Interstat |
441.8875 | +5 | CC1 | DMR | Interstate-Network | — | Gaithersburg, MD |
| 43.9 | KV3B | Gaithersburg KV3B |
53.2700 | -1 | TSQL 156.7 | FM (analog) | — | Gaithersburg, MD | |
| 44.1 | WS3D | Duncansville WS3D BM |
441.0500 | +5 | CC1 | DMR | BrandMeister 3202143 | — | Duncansville, PA |
| 44.4 | KC3OXD | Carlisle KC3OXD BM |
449.8250 | -5 | CC7 | DMR | BrandMeister 313491 BrandMeister 314456 | — | Carlisle, PA |
| 44.4 | N3TWT | Landisburg N3TWT K4USD |
146.6850 | -0.6 | CC1 | DMR | K4USD | — | Landisburg, PA |
| 44.5 | K8GP Listed as K8GP/R |
Bluemont K8GP AllStar |
443.6500 | +5 | TONE 77.0 | FM (analog) | AllStar 28185 | — | Bluemont, VA |
| 45.3 | KO4NCX | Ashburn KO4NCX BM |
447.6750 | -5 | none | D-STAR (DMR,DV) | BrandMeister 312899 | — | Ashburn, VA |
| 45.3 | W3IF | Winchester W3IF |
442.0000 | +5 | TSQL 146.2 | FM (analog) (FM,C4FM) | — | Winchester, VA | |
| 45.5 | NV4FM | Ashburn NV4FM |
53.6100 | -1 | none | FM (analog) | 🗓 1 net | 1 net | Ashburn, VA |
| 45.8 | WA4TSC | Mt Weather WA4TSC |
147.3000 | +0.6 | TONE 146.2 | FM (analog) | 🗓 1 net | 1 net | Mt. Weather, VA |
| 46.0 | W3YVV | Dayton W3YVV |
927.5375 | -25 | TSQL 156.7 | FM (analog) | — | Dayton, MD | |
| 46.9 | N4FSC | Ashburn N4FSC |
145.3100 | -0.6 | TSQL 77.0 | FM (analog) | — | Ashburn, VA | |
| 46.9 | KC3IN | Mechanicburg KC3IN BM |
438.4750 | -5 | CC1 | DMR | BrandMeister 3225889 | — | Mechanicburg, PA |
| 47.5 | K3UCB | Olney K3UCB Interstate |
442.9000 | +5 | CC1 | DMR | Interstate-Network | — | Olney, MD |
| 47.9 | WB6EFW | Ashburn WB6EFW BM |
434.0000 | +5 | CC1 | DMR | BrandMeister 315103901 | — | Ashburn, VA |
| 48.0 | KM4OGQ | Gore KM4OGQ |
444.2500 | +5 | TONE 100.0 | FM (analog) | — | Gore, VA | |
| 48.2 | NC3M | Rockville NC3M AllStar |
445.9750 | simplex | TONE 100.0 | FM (analog) | AllStar 47835 | — | Rockville, MD |
| 48.5 | N3CDY | Owings Mills N3CDY |
927.5125 | -25 | TONE 156.7 | FM (analog) | — | Owings Mills, MD | |
| 48.5 | N3EJT | Owings Mills N3EJT Not-Linked |
147.1950 | +0.6 | CC1 | DMR | Not-Linked | — | Owings Mills, MD |
| 48.5 | N3CDY | Owings Mills N3CDY Interstate |
449.0750 | -5 | CC1 | DMR | Interstate | — | Owings Mills, MD |
| 48.8 | N3QEM | Sterling N3QEM AWSVirgini |
442.8750 | +5 | CC1 | DMR | AWSVirginia | — | Sterling, VA |
| 48.8 | N3JFW | Rockville N3JFW K4USD-Net |
442.4875 | +5 | CC1 | DMR | K4USD-Net | — | Rockville, MD |
| 48.8 | KV3B | Rockville KV3B |
442.7500 | +5 | TSQL 156.7 | FM (analog) (C4FM,FM) | — | Rockville, MD | |
| 48.8 | WA3KOK | Rockville WA3KOK |
927.1375 | -25 | TONE 156.7 | FM (analog) | — | Rockville, MD | |
| 48.9 | WA3YOO | Rockville WA3YOO Interstat |
443.9000 | +5 | TONE 156.7 | FM (analog) (DMR,FM,P25) | Interstate-3-Network | — | Rockville, MD |
| 49.3 | WA3KOK | Ashton WA3KOK Interstat |
442.2375 | +5 | none | FM (analog) (DMR,FM) | Interstate-Network | — | Ashton, MD |
| 49.3 | WB3DZO | Randallstown WB3DZO |
443.3500 | +5 | TSQL 156.7 | FM (analog) (FM,C4FM) | — | Randallstown, MD | |
| 49.5 | N3JUO | Carlisle N3JUO AllStar |
446.1000 | simplex | TONE 123.0 | FM (analog) | AllStar 59866 | — | Carlisle, PA |
| 49.5 | WA3KOK | Ashton WA3KOK |
444.0500 | +5 | none | FM (analog) (FM,P25) | — | Ashton, MD | |
| 50.0 | W3ZC | Clearville Marti W3ZC AllStar |
53.1500 | -1 | TONE 123.0 | FM (analog) | AllStar 533171 | — | Clearville, PA |
| 50.0 | W3ZC | Clearville Marti W3ZC AllStar |
146.7900 | -0.6 | TSQL 123.0 | FM (analog) | AllStar 533170 | — | Clearville, PA |
| 13.2 | KD3SU offline | Boonsboro KD3SU IRLP |
146.5350 | simplex | TSQL 88.5 | FM (analog) | IRLP 8841 | — | Boonsboro, MD |
| 14.6 | KD3SU offline | Boonsboro KD3SU IRLP |
147.4400 | simplex | TSQL 79.7 | FM (analog) | IRLP 8562 | — | Boonsboro, MD |
| 22.1 | K3HP offline | Frederick K3HP AllStar |
145.2500 | -0.6 | TONE 146.2 | FM (analog) | AllStar 29523 | — | Frederick, MD |
| 41.9 | KB3SNM offline | Spring Grove KB3SNM IRLP |
147.5400 | simplex | TSQL 88.5 | FM (analog) | IRLP 4014 | — | Spring Grove, PA |
| 45.5 | KI4AD offline | Ashburn KI4AD |
448.8250 | -5 | TONE 77.0 | FM (analog) | — | Ashburn, VA | |
| 45.5 | KQ4CI offline | Ashburn KQ4CI WIRES-X |
447.9000 | -5 | TSQL 100.0 | FM (analog) | WIRES-X 72405 | — | Ashburn, VA |
| 48.5 | KB3TWW offline | Mechanicsburg KB3TWW |
444.4000 | +5 | CC? | DMR | — | Mechanicsburg, PA |