Hi-Target AH-4236

Setup

Fig. 1: VRTK2 with AH-4236

Fig. 2: AH-4236 antenna

MicrosoftTeams-image (7).png — Fig. 3: Agilex setup with AH-4236 antenna

Test results

Stationary 1

In this test the AH-4236 antenna was connected to GNSS2.

Number of tracked signals

Position variance

CN0 timeseries

CN0 histogram

ENU position estimate statistics

Timeseries file:

antennas1-ah4236.html

Link to KML file: 2023-01-16-13-42-41

Links to raw GNSS data: GNSS1, GNSS2

Stationary 2

In this test the AH-4236 antenna was connected to GNSS1.

Number of tracked signals

Position variance

CN0 timeseries

CN0 histogram

ENU position estimate statistics

Timeseries file:

antennas2-ah4236.html

Link to KML file: 2023-01-16-14-09-33

Links to raw GNSS data: GNSS1, GNSS2

Urban canyon

Number of tracked signals

Fix types

Position variance

CN0 timeseries

CN0 histogram

ENU position estimate statistics

Timeseries file:

antennas3-ah4236.html

Link to KML file: 2023-01-18-14-11-20

Links to raw GNSS data: GNSS1, GNSS2

GNSS outage

Number of tracked signals

Fix types

Position variance

CN0 timeseries

CN0 histogram

ENU position estimate statistics

Timeseries file:

antennas4-ah4236.html

Link to KML file: 2023-01-18-14-26-32

Links to raw GNSS data: GNSS1, GNSS2

Conclusions

Similar or slightly worse performance that the reference.
SNR is a bit lower.
u-blox ANN-MB seems a better option for a low-profile antenna.