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
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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
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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
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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