| Brand |
FOIF |
| Model name/ Type |
A20 |
| Year of introduction |
2009 |
| Class (GPS, Glonass, Galileo/ S, D en T) |
GPS Glonass and Galileo |
| Dimensions (h*d*w* in cm): base station case/ rover set case |
22×18×92 |
| Weight (receiver, rover, antenna, communications, batteries, pole) |
1.8Kg |
| What type of material is used for the housing |
Plastic |
| Static [mm + pmm] |
H:3mm+1ppm; V:5mm+1ppm |
| RTK [mm + ppm], maximum baseline length (m) |
H:10mm+1ppm; V:15mm+1ppm |
| Signal(s) tracked (types / bands / codes) |
L1/L2/L2C/L5 |
| Single/dual/triple frequency |
Dual frequency |
| Number of channels / tracking mode |
76(4 additional channels for SBAS WAAS/EGNOS/MSAS support)/Parallel track mode |
| Max. no. of satellites tracked parallel (GPS/Glonass/Galileo/Other) |
76 |
| Time to first fix (C/W/R) [sec/sec/sec] |
60s/35s/1s |
| Can the receiver perform RTK surveys (Y / N), Time to first fix (sec) |
Yes, <10s |
| RTK initialisation (s/d) [sec] |
<10s |
| PPS (Puls per second) |
Yes/Optional |
| Update rate of position (frequency) [Hz] |
1~50Hz, Optional |
| Supported RTCM version |
2.X, 3.X |
| RTK Network Compatibility |
Yes |
| MRS (Mobile Reference Station) functionality |
Yes |
| Possible types of messages |
RTCM, CMR, CMR+ |
| Id. proprietary format |
Optional |
| Antenna (integr. and / or ext.) |
Optional |
| Rover (r/rd/rdm) [V – W/W/W] |
9~18V,2.5W |
| Base (b/bm) [V – W/W] |
9~18V,2 to 4W |
| Operating time wo/w radio (h) [hrs/hrs] |
5h/10h |
| Use of cellular phone for the datalink/ Protocol |
Yes |
| Supported GSM protocols, ISDN, GPRS, UMTS |
GSM, ISDN, GPRS,UMTS |
| I/O-ports (number and type of plug) |
4, ODU plug |
| Remote managing receiver |
Yes |
| Options remote |
Yes |
| Special remote software needed? |
No |
| Integrity warnings (warning at failure datalink, loss of lock i.e. (Y/N) |
Yes |
| Base antenna phase centre stability (*1) |
0.4mm(E,N),0.7mm(H),0.1s(0°~10°),0.5s(10°~90°) |
| Rover antenna phase centre stability (*1) |
0.4mm(E,N),0.7mm(H),0.1s(0°~10°),0.5s(10°~90°) |
| ROHS compliance |
Yes |
| WEEE compliance |
Yes |
| Data storage on receiver |
Yes |
| Storage medium (type) / memory [MB] |
128M and SD card |
| Exchangeable / fixed |
Fixed and Exchangeable |
| Display; size (lines and char. / line) |
73mm×42mm(4 rows and 16 char./line) |
