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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > Radio Navigation > How does a conventional single-frequency GPS receiver use the broadcast Klobuchar ionospheric model?

263 - ATPL Question Bank in English - How does a conventional single-frequency GPS receiver use the broadcast Klobuchar ionospheric model?

Question 263 - Radio Navigation - ATPL - Airline Transport Pilot Licence

It averages all received signals without using any broadcast ionospheric coefficients.

It applies corrections only below one fixed low satellite-elevation threshold.

It applies the broadcast model coefficients to estimate and reduce the ionospheric range delay; the model does not eliminate all ionospheric error.

It ignores ionospheric effects because they are negligible.

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