Wettzell DORIS GNSS SLR VLBI

VLBI Reference Point

Intersection of rotation axes of a permanent VLBI Antenna

Intersection of rotation axes of a permanent VLBI Antenna

Intersection of the axis of the TIGO-VLBI radiotelescope.

SLR and GPS mark

SLR mark

SLR mark

SLR and GPS (ROGUE) mark

SLR mark

SLR / IAR

Intersection of rotation axes of the telescope (SLR System Reference Point)

DORIS Starec antenna reference point

SLR WLRS IAR

Marker at TIGO-platform for the TIGO-SLR-telescope.

GPS mark 1200/top of tower

DORIS antenna reference point / red ring centre.

Survey Marker Bolt on a steel antenna mount, fastened on the top of the concrete pillar for WRLG. The pillar is on the hill above the Ringlaser Gyroscope west in the area of the Geodetical Observatory.

Brass survey marker bolt on concrete survey pillar 21

Wettzell station building / Top and centre of a bolt fixed on a steel mast

Pillar 1204

Pillar 1203 - Screw embedded on a steel plate, fixed on concrete survey tower

Wettzell station main building / Top and centre of the 1206 marker on a steel plate fastened fastened on the concrete survey tower

Pillar 1202 - Forced centering device on steel plate, on top of a metallic pillar fixed on concrete survey tower

Pillar 1201

Pillar 1205 - Screw embedded on a steel plate, fixed on concrete survey tower

Astro. Pillar

Marker under DORIS WEUC antenna.

ROGUE SNR-800/DM B/Bottom of the choke ring 22-JUL-91-

ROGUE SNR-800/DM B/L1 20-DEC-90

MINI MAC/L1 23-MAY-89 -

Mark 1000 (bottom TI4100 12-NOV-90 - 27-JUL-89)

Geodetical Observatory Wettzell main building - Top and center of a steel bolt on a steel plate fastened on a concrete survey tower

ROGUE SNR-800/DM B/L1 22-JUL-91-

TI4100/L1 12-NOV-87 - 27-JUL-89

Trig. Point (D6843)

GPS ROGUE SNR 800 / TOP OF THE CHOKE RING