Calibration measurements of the BRAMS...

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Calibration measurements of the BRAMS stations Antonio M.P., Michel A., Sylvain R., Hervé L.

Transcript of Calibration measurements of the BRAMS...

Page 1: Calibration measurements of the BRAMS stationsbrams.aeronomie.be/files/BRAMS_annualmeeting_2015_SylvainRanvi… · Antonio M.P., Michel A., Sylvain R., Hervé L. Radiation pattern

Calibration measurements of the

BRAMS stations

Antonio M.P., Michel A., Sylvain R.,

Hervé L.

Page 2: Calibration measurements of the BRAMS stationsbrams.aeronomie.be/files/BRAMS_annualmeeting_2015_SylvainRanvi… · Antonio M.P., Michel A., Sylvain R., Hervé L. Radiation pattern

Radiation pattern measurement with a drone

Page 3: Calibration measurements of the BRAMS stationsbrams.aeronomie.be/files/BRAMS_annualmeeting_2015_SylvainRanvi… · Antonio M.P., Michel A., Sylvain R., Hervé L. Radiation pattern

Simulated Radiation pattern

Sensitive to ground properties !!

Page 4: Calibration measurements of the BRAMS stationsbrams.aeronomie.be/files/BRAMS_annualmeeting_2015_SylvainRanvi… · Antonio M.P., Michel A., Sylvain R., Hervé L. Radiation pattern

Simulated Radiation pattern

Page 5: Calibration measurements of the BRAMS stationsbrams.aeronomie.be/files/BRAMS_annualmeeting_2015_SylvainRanvi… · Antonio M.P., Michel A., Sylvain R., Hervé L. Radiation pattern

Measurement in the far field

L = 2D² / λ

For single antenna station:

L= 3 m

For beacon antenna in Dourbes:

L= 22 m

For interferometer:

L=243 m

Page 6: Calibration measurements of the BRAMS stationsbrams.aeronomie.be/files/BRAMS_annualmeeting_2015_SylvainRanvi… · Antonio M.P., Michel A., Sylvain R., Hervé L. Radiation pattern
Page 7: Calibration measurements of the BRAMS stationsbrams.aeronomie.be/files/BRAMS_annualmeeting_2015_SylvainRanvi… · Antonio M.P., Michel A., Sylvain R., Hervé L. Radiation pattern

3-D Radiation pattern measurement

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