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Details for Benchmark: LY2723

N 41° 20.559 W 075° 39.613 (NAD 83)

Altitude: 0

Coordinates may not be exact. Altitude is UNKNOWN and location is ADJUSTED. (more info)

Location:
In LACKAWANNA county, PA View Original Datasheet
Designation:
AIRWAY BCN 19 S OF SCRANTON
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:

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N 41° 20.559 W 075° 39.613

[B]Station landmark no longer exists.[/B]

This station was located and identified but the station landmark was destroyed. The airway beacon tower was dismantled and removed. The four anchor points for the beacon tower legs remain protruding roughly 20-24 inches above the ground. The west leg anchor is 30 feet east of a powerpole. The east leg anchor is 6 feet northwest of the centerline of a jeep trail. At what would have been the center of the base of the tower, a Garmin GPSmap76 receiver was used to record WAAS-corrected coordinates which were identical to the adjusted coordinates listed on the NGS datasheet. ~Rich in NEPA~

[I]Edit Note: An official recovery report was submitted to NGS and subsequently they have declared this station as having been destroyed.[/I] [URL=http://www.ngs.noaa.gov/cgi-bin/ds_mark.prl?PidBox=LY2723]LY2723 Datahseet[/URL].

[This entry was edited by Rich in NEPA on Friday, February 13, 2004 at 5:17:57 PM.]

[Photos:]
photoRemains of Airway Beacon 19 S of Scranton.
photoOrientation view, the four leg anchors, facing west.
photoGPSr at center of former Airway Beacon 19.
photoOrientation view, east leg anchor and jeep trail.
photoOrientation view, west leg anchor and powerpole.

Documented History (by the NGS)

1/1/1959 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1959 (CGS) THE STATION IS THE CENTER OF THE REVOLVING LIGHT ON THE APEX OF THE CIVIL AERONAUTICS TOWER WHICH IS LOCATED ABOUT 3 MILES SOUTH OF SCRANTON AND ON TOP OF A MOUNTAIN LOCALLY KNOWN AS MOOSIC MOUNTAIN. IT IS A 4-LEGGED LACE STEEL STRUCTURE PAINTED ALTERNATELY ORANGE AND WHITE AND THE OVERALL HEIGHT OF THE STRUCTURE IS APPROXIMATELY 64 FEET.
1/1/1960 by CGS (SEE DESCRIPTION)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 (JCC) THE STATION WAS RECOVERED AS DESCRIBED AND FOUND IN GOOD CONDITION.
1/1/1962 by CGS (SEE DESCRIPTION)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1962 (FBM) THIS STATION WAS NOT VISITED, BUT AN AZIMUTH CHECK WAS OBTAINED FROM PORT (1959).
1/1/1966 by CGS (SEE DESCRIPTION)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1966 (EP) THIS STATION WAS NOT VISITED, THE AZIMUTH WAS CHECKED BETWEEN THIS STATION AND WILKESBARRE-SCRANTON AIRPORT CONTROL TOWER, 1959 AT STATION PORT, 1959. AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN- 4 MILES SOUTHEAST OF MOOSIC.
1/1/1970 by NGS (SEE DESCRIPTION)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1970 (WMR) THE TOWER ON WHICH THE BEACON WAS SUPPORTED IS STILL IN PLACE. THE REVOLVING BEACON HAS BEEN REMOVED. A FLASHING RED LIGHT WAS MOUNTED IN THE CENTER OF THE TOWER. THE FLASHING RED LIGHT IS IN THE SAME LOCATION AS THE BEACON.
1/1/1974 by NGS (SEE DESCRIPTION)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974 (ARB) THIS STATION RECOVERED IN GOOD CONDITION AS DESCRIBED WITH THE EXCEPTION THAT THERE IS NO LONGER A REVOLVING BEACON ON THE TOWER. IT HAS BEEN REPLACED WITH AN OBSTRUCTION CODE BEACON FLASHING RED. AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN - ABOUT 3 MILES SOUTH OF SCRANTON.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in September 1999.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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