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Table 1
Thermal noise of X-band Doppler detections of the VLBI stations during the GR035 experiment.
| Observatories | Location | Telescope | Average Tsys | SEFD | Allan deviation | |
| Code | Diameter (m) | (K) | (Jy) | at 10 s | ||
|
|
||||||
| DSN Goldstone | USA | DSS-14 | 70 | 20.6** | 20** | 6.5 × 10-15 *** |
| DSN Robledo | Spain | DSS-63 | 70 | 20.6** | 20** | 6.5 × 10-15 *** |
| Estrack New Norcia | Australia | NNO | 35 | 60.8** | 40** | 6.5 × 10-15 *** |
| Yebes | Spain | Ys | 40 | 41 | 200 | 5.6 × 10-15 |
| Onsala | Sweden | On-60 | 20 | 62 | 1240 | 9.5 × 10-15 |
| Svetloe | Russia | Sv | 32 | 58* | 200* | 1.1 × 10-14 |
| Zelenchukskaya | Russia | Zc | 32 | 30* | 200* | 5.8 × 10-15 |
| Badary | Russia | Bd | 32 | 27* | 200* | 8.2 × 10-15 |
| Hartebeesthoek | South Africa | Hh | 26 | 70 | 875 | 8.3 × 10-15 |
| Ht | 15 | 44 | 1260 | 1.0 × 10-14 | ||
| Tianma | China | Tm65 (T6) | 65 | 26 | 48* | 4.6 × 10-15 |
| Urumuqi | China | Ur | 25 | 86 | 350* | 1.2 × 10-14 |
| Sheshan | China | Sh | 25 | 32 | 800* | 8.6 × 10-15 |
| Yamaguchi | Japan | Ym | 32 | 50* | 106* | 8.9 × 10-15 |
| Hobart | Australia | Ho | 26 | 68 | 2500 | 1.1 × 10-14 |
| Hb | 12 | 87 | 3500 | 1.5 × 10-14 | ||
| Ceduna | Australia | Cd | 30 | 85* | 600* | 8.1 × 10-15 |
| Yarragadee | Australia | Yg | 12 | 96 | 3500 | 1.6 × 10-14 |
| Katherine | Australia | Ke | 12 | 112 | 3500 | 1.5 × 10-14 |
| Warkworth | New Zealand | Ww | 12 | 94 | 3500 | 1.6 × 10-14 |
| VLBA Owens Valley | USA | Ov | 25 | 35 | 300 | 8.5 × 10-15 |
| VLBA Kitt Peak | USA | Kp | 25 | 36 | 310 | 6.2 × 10-15 |
| VLBA Hancock | USA | Hn | 25 | 49 | 419 | 7.0 × 10-15 |
| VLBA Brewster | USA | Br | 25 | 41 | 352 | 2.5 × 10-14 |
| VLBA Mauna Kea | USA | Mk | 25 | 43 | 368 | 9.9 × 10-15 |
| VLBA St Croix | USA | Sc | 25 | 39 | 330 | 9.4 × 10-15 |
| VLBA Pie Town | USA | Pt | 25 | 27 | 313 | 7.1 × 10-14 |
| VLBA Fort Davis | USA | Fd | 25 | 36 | 309 | 6.2 × 10-15 |
Notes.
(*)
Nominal values taken from the EVN status table II (Campbell 2016).
(**)
Nominal values taken from Stelzried et al. (2008) and Martin & Warhaut (2004).
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