euref vienna 2005 antenna tests at bev vienna 2002-2005 g. stangl, h. titz
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![Page 1: EUREF Vienna 2005 Antenna Tests at BEV Vienna 2002-2005 G. Stangl, H. Titz](https://reader035.vdocuments.net/reader035/viewer/2022070404/56649f385503460f94c54c75/html5/thumbnails/1.jpg)
EUREF Vienna 2005
Antenna Tests at BEV Vienna 2002-2005G. Stangl, H. Titz
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EUREF Vienna 2005
Purpose
• Equipment test (ca. 50 combinations receivers+antennas+radomes)
• Stability of coordinates• Stability of environment (City, transmitters)
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EUREF Vienna 2005
Test Network
WIEBWIEN
PENC
MOPI
JOZETUBO
MTBGGRAZ
TRFB
STPO
GOPE
Star network
WIEB-WIEN 6 m
Others 20-500 km
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EUREF Vienna 2005
Equipment Types
• Ashtech• Geotracer• JPS• Leica• Topcon• Trimble
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EUREF Vienna 2005
Time Series
• 2002 • DOY 219-226, 240-247, 271-285, 293-300, 320-327• 2003• DOY 063-078, 165-219, 237-241, 244-364• 2004• DOY 001-085, 117-131, 201-240• Since 2005 WIEB in APOS network
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EUREF Vienna 2005
Site WIEB with BEVA Radom (most used)
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EUREF Vienna 2005
LEIAT504 Radom Tests (U)Up
-20
-15
-10
-5
0
5
10
15
1 7
13
19
25
31
37
43
49
55
61
67
73
79
85
91
97 Up
NONE GRAZ BEVA
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EUREF Vienna 2005
ASH701045C_M BEVA – LEIAT504 NONE
Up
-15
-10
-5
0
5
10
1 3 5 7 9
11 13 15 17 19 21 23 25 27 29 Up
LEIAT504 NONE
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EUREF Vienna 2005
TRM29659.00 – LEIAT504 NONE
Up
-15
-10
-5
0
5
10
1 7
13 19 25 31 37 43 49 55 61 67 73 79 85 91MM Up
NONE
LEIAT504 NONE
BEVA BEVA
GRAZ
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EUREF Vienna 2005
TRM41249.00 NGS Corrections – LEIAT504 NONECorrect and Fake Antenna Heights
Up
-40
-30
-20
-10
0
10
20
30
401 4 7
10
13
16
19
22
25
28
31
34
37M
M Up
NONELEIAT504
NONE NONE
+0.038 +0.025 +0.020
+0.015
BEVA
PENC
2002
2003
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EUREF Vienna 2005
TRM41249.00 Different Corrections
Up
-25
-20
-15
-10
-5
0
5
10
15
20
251 3 5 7 9
11
13
15
17
MM Up
LEIAT504 NONE
NGS
LPT
Antenna
fake +0.020
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EUREF Vienna 2005
LEIAT502 – LEIAT504 NONEUp
-80
-60
-40
-20
0
20
40
60
80
100
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
MM Up
LEIAT504 NONE
LEIAT502
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EUREF Vienna 2005
LEIAT502 Correction Sets Elevation cut-off 5/10/15/20 degrees
Up
-150
-100
-50
0
50
100
150
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
MM Up
NGS Leica
Geo++
LEIAT504 GRAZ
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EUREF Vienna 2005
Conclusions/Recommendations• LEIAT502: not usable for precise permanent stations –
appropriate correction for Bernese Software still missing, large elevation dependency probably caused by antenna design
• Trimble Zephyr: Replace NGS corrections by LPT corrections by international convention, until then a faked antenna height would be best to avoid height jumps in the time series
• PENC: Not usable anymore for Austrian EUREF representation (distortion by height jump after antenna exchange)
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EUREF Vienna 2005
Thank you for attention! Thank you for attention!