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Table 3.

RMS values of differences between GPS-TEC and models (SSM-T1-opmt and IRI2016).

Test time periods RMS (GPSTEC−SSM-T1-opmt) RMS (GPSTEC−IRI2016)
2016 2.49 TECU 2.71 TECU
2017 1.53 TECU 2.24 TECU

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