RTKBase: a GUI for your own Gnss Base Station

Renato · 15 February 2023 19:57

its a dash

Renato · 15 February 2023 20:03

i dont realy know but i update the software and run the base set up should that not be it ?
the old base it worked fine

Stefal · 15 February 2023 20:09

@NorthernFarmer is right, this value is strange. Could you compare it with your other base?

Renato · 15 February 2023 20:14

Yeah the first base looks the same and work very well

Stefal · 15 February 2023 20:55

On your first screenshot, the base is registered to an height of -70.89m and on the 2th screenshot the realtime position is +71.88m

It looks like your - before height is incorrect.

btw: your signal levels are a not very high for a base station.

Renato · 15 February 2023 21:00

this is the base that its working good but is in my house that why i was trying to put one up at the farm

Renato · 15 February 2023 21:02

i dont think that the - on will be the cause that the 2tth base isnt worrking as my first base is the same and works fine

Stefal · 15 February 2023 21:02

Could you paste here the report from Ign?

Renato · 15 February 2023 21:05

from the first base or the secod ?

Stefal · 15 February 2023 21:07

The seconde one

Renato · 15 February 2023 21:10

IGN CALCUL GNSS EN LIGNE 13-FEB-23 13:13
BERNESE 5.2
COMPTE-RENDU

IDENTIFIANT DU CALCUL : 2023-02-13T13:12:33Z_185.48.63.5

ORBITES : sgv22491_10.sp3.Z sgv22490_22.sp3.Z
ROTATION TERRESTRE : sgv22491_10.erp.Z sgv22490_22.erp.Z

Systeme de reference du calcul d’apres les ephemerides : IGS14

I/ ELEMENTS EN ENTREE

ENTREE NUMERO : 1 / 1

FICHIER RINEX : 2023-02-12-Base_1jersey.23o
EN-TETE NOM STATION : Base_1jersey
EN-TETE NUMERO : 99999S999
EN-TETE RECEPTEUR :
EN-TETE ANTENNE :
EN-TETE POSITION : 4170086.1387 -150182.5512 4807754.9172
EN-TETE ANT H/E/N : 0.0000 0.0000 0.0000

ELEMENTS RETENUS

RECEPTEUR: :: RECONNU IGS : NON → DEFAUT : SIMULA
*antenne : radome sans indication = ‘NONE’ (DEFAUT)
ANTENNE :> NONE<:: RECONNUE IGS : NON
DEFAUT :>SIMULA NONE<

ANTENNE CENTRES DE PHASE N/E/H :
SIMULA NONE L01 0 0.00 0.00 0.00
SIMULA NONE L02 0 0.00 0.00 0.00

ANTENNE ARP N/E/H : 0.0000 0.0000 0.0000

NOMBRE D’EPOQUES : 2881
DATE DEBUT : 12/02/23 00:00:00.0000000
DATE FIN : 13/02/23 00:00:00.0000000

MISE A JOUR RINEX : /home/GPSDATA/10327/RAW/tmp_0.RNX → base0430.23o

*Eléments du contrôle qualité a priori :
*Observations reçues/attendues : 0% (0/24347)
*Multitrajets 1 et 2 (mètres) : 0.66 UNDEFINED

STATION : BASE

POSITION APPROCHEE (RINEX) : 4170086.1387 -150182.5512 4807754.9172
W 002 03 45.264462 N 49 14 05.122028 143.1114
POSITION APPROCHEE (teqc) : 4170089.1884 -150181.3888 4807760.4382
W 002 03 45.201616 N 49 14 05.165026 149.2556

II/ BASE : STATIONS DE REFERENCE DANS UN RAYON DE 1000 km (MAX : 12)

1 prr2 : 47301m
prr20430.23d.Z => PRR20430.23O
2 bmhg : 50137m
bmhg0430.23d.Z => BMHG0430.23O
3 vlgn : 51546m
vlgn0430.23d.Z => VLGN0430.23O
4 smtg : 66073m
smtg0430.23d.Z => SMTG0430.23O
5 dipl : 71718m
dipl0430.23d.Z => DIPL0430.23O
6 stlo : 74617m
stlo0430.23d.Z => STLO0430.23O
7 vlpl : 75701m
vlpl0430.23d.Z => VLPL0430.23O
8 dolb : 79496m
dolb0430.23d.Z => DOLB0430.23O
9 avra : 80038m
avra0430.23d.Z => AVRA0430.23O
10 lbtm : 90146m
lbtm0430.23d.Z => LBTM0430.23O
11 plmg : 93333m
plmg0430.23d.Z => PLMG0430.23O
12 plst : 94877m
plst0430.23d.Z => PLST0430.23O

DONNEES DISPONIBLES : 12 (/ 12)

III/ TRAITEMENT

LOGICIEL : Bernese GNSS Software Version 5.2

PHASE 1 : RESOLUTION DES AMBIGUITES
LIGNE DE BASE Dist(km) AMBIGUITES RESOLUES
BASE AVRA 80.0 192 42 ( 21.9%)
BASE BMHG 50.1 190 26 ( 13.7%)
BASE DIPL 71.7 132 24 ( 18.2%)
BASE DOLB 79.5 104 20 ( 19.2%)
BASE LBTM 90.1 144 24 ( 16.7%)
BASE PLMG 93.3 102 22 ( 21.6%)
BASE PRR2 47.3 142 26 ( 18.3%)
BASE PLST 94.9 98 18 ( 18.4%)
BASE SMTG 66.1 226 14 ( 6.2%)
BASE STLO 74.6 146 28 ( 19.2%)
BASE VLGN 51.5 108 22 ( 20.4%)
BASE VLPL 75.7 110 20 ( 18.2%)

AMBIGUITES L1 L2 : 1694 RESOLUES : 286 (16.9%)

PHASE 2 : TRAITEMENT FINAL (AMBIGUITES RESOLUES FIXEES)
FACTEUR DE VARIANCE : 2.29
SIGMA_0 : 0.0015 M

PRECISION INTERNE ESTIMEE (MILLIMETRES) :
BASE 99999S999
SX : 1.5 SY : 0.6 SZ : 1.6
SN : 0.6 SE : 0.6 SH : 2.1

IV/ RESULTATS

=================================== ITRF2014 ===================================

POSITION ITRF2014 EPOQUE 2023.110 (10/02/23) :
BASE 99999S999
X: 4170076.5525 Y: -150181.3053 Z: 4807744.8016

POSITION ITRF2014 COORDONNEES GEOGRAPHIQUES :
BASE 99999S999
LONGITUDE -2.062561103 ° LATITUDE 49.234762275 ° HELL 129.1653
W 002 03 45.219970 N 49 14 05.144190 129.1653

=================================== ITRF2014 ===================================

POSITION ITRF2014 EPOQUE 2009.000 (01/01/09) :
BASE 99999S999
X: 4170076.7193 Y: -150181.5529 Z: 4807744.6492

POSITION ITRF2014 COORDONNEES GEOGRAPHIQUES :
BASE 99999S999
LONGITUDE -2.062564418 ° LATITUDE 49.234760185 ° HELL 129.1645
W 002 03 45.231905 N 49 14 05.136665 129.1645

=================================== ETRS89 ===================================

POSITION ETRF2000 EPOQUE 2023.110 (10/02/23) :
BASE 99999S999
X: 4170076.9933 Y: -150181.8628 Z: 4807744.3796

POSITION ETRF2000 COORDONNEES GEOGRAPHIQUES :
BASE 99999S999
LONGITUDE -2.062568536 ° LATITUDE 49.234756661 ° HELL 129.1464
W 002 03 45.246728 N 49 14 05.123980 129.1464
UTM 30 N : E = 568242.836 m N = 5453975.944 m Alt ( EGM2008 via EGM2008_2 ) = 79.975 m

=================================== RGF93 ===================================

POSITION RGF93 EPOQUE 2023.110 (10/02/23) :
BASE 99999S999
X: 4170076.9978 Y: -150181.8617 Z: 4807744.3856

POSITION RGF93 COORDONNEES GEOGRAPHIQUES :
BASE 99999S999
LONGITUDE -2.062568518 ° LATITUDE 49.234756666 ° HELL 129.1538
W 002 03 45.246664 N 49 14 05.123998 129.1538
LAMBERT-93 : E = 331489.387 m N = 6915714.225 m Alt ( IGN69 via RAF20 ) = 80.817 m
CC48 : E = 1331517.498 m N = 7349409.244 m
CC49 : E = 1331608.520 m N = 8238393.604 m
CC50 : E = 1331587.066 m N = 9127366.510 m

================================================================================

QUALITE DE LA MISE EN REFERENCE ETRS89 : RESIDUS N E HE (MILLIMETRES)

| NOM | N E HE | |

| | | |
| AVRA 19621M001 | 1.47 -0.57 9.40 | |
| DOLB 18690M001 | 0.02 -0.34 -2.72 | |
| PLMG 18662M001 | 0.91 -1.52 2.02 | |
| PLST 18661M001 | -1.72 2.02 0.65 | |
| SMTG 19936M001 | 2.86 -1.96 -0.76 | |
| VLGN 18692M001 | -0.52 0.29 -3.98 | |
| VLPL 19924M001 | -0.98 3.55 -3.00 | |
| PRR2 18693M002 | -1.71 -0.90 16.22 | |
| LBTM 18320M001 | -1.62 0.71 1.47 | |
| BMHG 19833M001 | -0.01 -0.74 -2.15 | |
| DIPL 19850M001 | 2.41 -0.31 -9.29 | |
| STLO 19852M001 | -1.13 -0.27 -7.87 | |
| | | |

| EMQ | 1.59 1.52 7.03 | |

EXACTITUDE ESTIMEE (2*SIGMA) :

BASE E_N : 6.8 mm E_E : 6.7 mm E_H : 18.6 mm

################################################################################
RESOLUTION DES AMBIGUITES :
BASE BMHG : 13.7%
BASE SMTG : 6.2%
2023-02-12-Base_1jersey.23o : PEU DE RECEPTION (0 %)
################################################################################

IGN CALCUL GNSS EN LIGNE 13-FEB-23 13:17
FIN DU COMPTE-RENDU

Stefal · 15 February 2023 21:17

Ok, your height should be positive, not negative.
And you should use the ETRS89 or RGF93 coordinates.

RGF93:
LONGITUDE -2.062568518 ° LATITUDE 49.234756666 ° HELL 129.1538

I don’t understand why you have added a - before the height value.
Please remove it and try again.

Stefal · 15 February 2023 21:21

By the way, knowing where your base is, you can use the centipede caster.

Renato · 15 February 2023 21:22

ok will try it tomorow hopefully that will do it

Renato · 15 February 2023 21:25

ok how much better is it ?

Renato · 15 February 2023 21:28

just been reading on the website it say not to use the ann-mb antena that the one i have

Stefal · 15 February 2023 21:35

It’s not better, it’s different.
There is more control on the base station quality, to maintain a good network quality. But there is no ip ban if you have a problem with your base.
And the most important argument, the server is in France, you will get less latency than rtk2go.

Yes, the ann-mb is not a good antenna for a base station. Many base owner switched from a ann-mb to a good antenna and noticed a better Rtk fix stability.

Renato · 15 February 2023 21:46

ok but could i try with the ann-mb and upgrate later on ?

torriem · 16 February 2023 00:38

I have my antenna on a 10m cable and it works fine. I’m using a Beitian BT-300s survey antenna on the roof of my shop and the cable comes down the side of the building and in through a wall where my base station is located. The fewer connectors in the cable the better. I’m using a TNC to SMA cable.

My radio goes out another 10m cable to the roof where the broadcast antenna is located. I haven’t installed the new antenna yet but it’s a 10 dbi antenna, over 1m in length. It’s a few meters above the GPS antenna and should not interfere.

Meg · 16 February 2023 02:59

What is the tablet model and stand you are using?