Jefferson County Federal 170.3625

[atlong]

Anyone know what this frequency is being used for. Sounds like it is BM only / No Repeater function. I'm in Ranson and not getting any mobile units, only the base. It may be part of Harper's Ferry or C&O Canal, but can't be sure. 170.36525 4C5 NAC

Thx.

 

[BM82557]

170.3625 NAC 4C5 is the C and O Canal NPS Lambs Knoll Repeater Out

 

[ecps92]

Dispatch is likely simulcasting on all Repeaters, but the mobile unit is on a different channel/repeater.
C&O has 4 independent repeater
C&O 1 = 170.3625
C&O 2 = 169.6875
C&O 3 = 166.3500
C&O 4 = unknown

Anyone know what this frequency is being used for. Sounds like it is BM only / No Repeater function. I'm in Ranson and not getting any mobile units, only the base. It may be part of Harper's Ferry or C&O Canal, but can't be sure. 170.36525 4C5 NAC

Thx.

 

[dlwtrunked]

With locations
C&O 1 = 170.3625 Lambs Knoll (Boonsboro), MD
C&O 2 = 169.6875 Great Falls, MD
C&O 3 = 166.3500 Cacapon Mtn. near Omps, VA (sits near VA/WV state line)
C&O 4 = unknown
All sites operate non-decodable digital links in 406-420 MHz.

 

[atlong]

Thanks all. What does non-decodable mean? Encrypted or a foreign trunking format? ...or is it just a data link?

 

[atlong]

Also, so what is 172.75000 used for? Is for farther south in VA? I'm hearing traffic on that for the area of Washington Co, I believe for C&O canal.

 

[atlong]

With locations
C&O 1 = 170.3625 Lambs Knoll (Boonsboro), MD
C&O 2 = 169.6875 Great Falls, MD
C&O 3 = 166.3500 Cacapon Mtn. near Omps, VA (sits near VA/WV state line)
C&O 4 = unknown
All sites operate non-decodable digital links in 406-420 MHz.

Thanks all!

What does non-decodable mean? Encrypted or a foreign trunking format? ...or is it just a data link?

Also, so what is 172.75000 used for? Is for farther south in VA? I'm hearing traffic on that for the area of Washington Co, I believe for C&O canal...or is it something else, like the battle field in Antietam?

 

[ecps92]

What Freqs ?? in UHF

With locations
C&O 1 = 170.3625 Lambs Knoll (Boonsboro), MD
C&O 2 = 169.6875 Great Falls, MD
C&O 3 = 166.3500 Cacapon Mtn. near Omps, VA (sits near VA/WV state line)
C&O 4 = unknown
All sites operate non-decodable digital links in 406-420 MHz.

 

[ecps92]

What PL/DPL or NAC are you hearing on this one.

My old notes [before NTIA rebanding] show it as an input for the NPS at Harpers Ferry

Also, so what is 172.75000 used for? Is for farther south in VA? I'm hearing traffic on that for the area of Washington Co, I believe for C&O canal.

 

[atlong]

5C2 NAC Often times, you'll hear a dispatcher put out a lookout or notice and they'll be simulcasting on this frequency and the Harpers Ferry Park Frequency of 170.05000 5C2 NAC. Not all the time, though. but on the 172.7500 frequency I hear a lot of references to the canal. That's why I was curious. Disregard my question about the UHF freqs. Thx.

 

[ecps92]

maybe Central Dispatch and they key up all repeaters ? [not uncommon], since we now have 3 different NPS Sites being heard

170.0500 $5C2 is Anteitam National Battlefield

5C2 NAC Often times, you'll hear a dispatcher put out a lookout or notice and they'll be simulcasting on this frequency and the Harpers Ferry Park Frequency of 170.05000 5C2 NAC. Not all the time, though. but on the 172.7500 frequency I hear a lot of references to the canal. That's why I was curious. Disregard my question about the UHF freqs. Thx.

 

[atlong]

Ok, great. Thanks.

 

[atlong]

Wait a sec...hmmm...170.0500 is definitely Harpers Ferry Park...did you mean 172.7500 as Antietam?

 

[ecps92]

My notes show 170.0500 Antietam from even it's analog days

Wait a sec...hmmm...170.0500 is definitely Harpers Ferry Park...did you mean 172.7500 as Antietam?

 

[dlwtrunked]

Thanks all. What does non-decodable mean? Encrypted or a foreign trunking format? ...or is it just a data link?

Data link--probably has embedded voice. Here are my complete files from visiting:
NPS Fredericksburg & Spotsylvania National Military Park

172.475 (was 166.9500) repeater outputs (166.3500 inputs) P25 NAC 4F9

Wilderness (tower at Spotsylvania Co. Fire & Rescue Station 7)-control point
(repeater for Wilderness and Chancellorsville Battlefields)
416.1250 data to Battle of Spotsylvania Exhibit Shelter
416.9125 data to Fredericksburg & Spotsylvania National Military Park HQ (Chatham Manor)
417.3125 data to Fredericksburg-Spotsylvania Maintenance Facility (Freedom Ct.)
417.7250 (was 419.6250) data to Stonewall Jackson Shrine
419.1125 data to Fredericksburg Battlefield (Lee Drive/Howison Hill)

Battle of Spotsylvania Exhibit Shelter
407.1250 data to Wilderness

Fredericksburg & Spotsylvania National Military Park Headquarters (Chatham Manor)
407.9125 data to Wilderness

Fredericksburg-Spotsylvania Maintenance Facility (Freedom Ct.)
408.3125 data to Wilderness

Stonewall Jackson Shrine
408.7250 (was 410.6250) data to Wilderness

Fredericksburg Battlefield (Lee Drive/Howison Hill)
410.1125 data to Wilderness

-----------------------------------------------------------
NPS Shenandoah National Park, VA
Input 166.3000 Simulkeyed repeater system P25 NAC 4F9
Headquarters is at Luray, VA.

Hogback Mountain (atop Hogback Mountain peak)-control point 38.76223N/078.27448W
171.7000 repeater output
406.9125 data to Blue Mountain
408.2250 data to Loft Mountain
408.2750 data to Skyland
408.4625 data to Fork Mountain
408.5250 data to Massanutten Mountain
408.6250 data to Bucks Elbow Mountain

Loft Mountain (near water tanks in camping area-actually atop "Big Flat Mtn.") 38.24760N/078.67043W
166.9000 repeater output
417.2250 data to Hogback Mountain

Blue Mountain (near Linden, VA)
172.4625 repeater output
415.9125 data to Hoback Mountain

Skyland ("Bushtop" along Millers Head Trail) 38.59142N/78.38660W
173.6750 repeater output
417.2750 data to Hogback Mountain

Fork Mountain (near Banco, VA) ~38.47910N/078.41590W
172.6750 repeater output
417.4625 data to Hogback Mountain

Massanutten Mountain ("Big Mountain" near Newport, VA) ~38.60097N/078.63205W
173.7625 repeater output
417.5250 data to Hogback Mountain

Bucks Elbow Mountain (near Crozet, VA) ~38.10486N/078.74391W
172.6500 repeater output
417.6250 data to Hoback Mountain
-----------------------------------------------------------
Chesapeake & Ohio Canal National Historical Park, DC/MD/WV
Input 163.150 Simulkeyed repeater system P25 NAC 4C5
Headquarters is at Hagerstown, MD (outside the park)
with antennas pointed at Lambs Knoll and Catoctin Mountain Park.
Uses callsign KQC732

Lambs Knoll (Boonsboro, MD)-control point
170.3625 repeater output
408.5375 data to Great Falls
409.0500 data to Cacapon Mountain

Great Falls, MD (C&O park is on MD side but transmitter is at on VA side at Madeira School)
(NOTE: For VA Great Falls Park see George Washington Memorial Parkway)
169.6875 repeater output
415.0250 data to Lambs Knoll
169.5000 wireless mic (sometimes used aboard Charles F. Mercer canal boat)

Cacapon Mountain (near Omps, WV--antennas sit almost on the stateline between VA and WV)
166.3500 repeater output
417.9750 data to Lambs Knoll
-----------------------------------------------------------
Some MD/VA NPS non-simulkeyed repeaters

Antietam National Battlefield, MD
170.0500 (164.575 input) P25 NAC 5C2

Assateague Island National Seashore, MD/VA
(Repeater KFB741 at Public Landing, MD)
170.0500 (169.4000 input) P25 NAC 4F9

Catoctin Mountain Park, MD (KFB718)
171.7250 (172.525 input) P25 NAC 5E7

Colonial National Historical Park, VA
(Historic Jamestowne, Yorktown Battlefield,Colonial Parkway, Cape Henry Memorial)
167.1500 (164.5750 input) P25 NAC 2CF

George Washington Birthplace National Monument, VA
163.1250 (164.6250 input) P25 NAC 375

George Washington Memorial Parkway, DC/MD/VA
Great Falls Park, VA (For MD side see Chesapeake & Ohio Canal National Historical Park)
170.0500 (163.3375 input) P25 NAC 4C5

Manassas National Battlefield Park, VA
172.7250 (171.6500 input) P25 NAC 47C

Petersburg National Battlefield Park, VA
(Eastern Front Visitor Center and Park Tour Road, Five Forks Battlefield, City Point Unit,
Poplar Grove National Cemetery)
164.4750 (163.1250 input) P25 NAC 585

Prince William Forest Park, VA
172.5000 (164.0875 input) P25 NAC 754

Richmond National Battlefield Park, VA
(Beaver Dam Creek, Gaines' Mill, Glendale, and Malvern Hill Battlefieilds)
(Repeater KID740 at Chimborazo Park)
166.9500 (168.3250 input) P25 NAC 707

 

[atlong]

That's a great list. Thank you.

 

[dlwtrunked]

That's a great list. Thank you.

I have not checked it in 2-3 year--so there may have been changes.