A system characterized by comprising: a first pressure sensor configured to output a first ambient pressure measurement determined based on a zero-offset calibration coefficient (K) previously determined for the first pressure sensor; a second pressure sensor configured to output a second ambient pressure measurement; and a computing device , including a processor , and a memory , the computing device coupled to the first pressure sensor and the second pressure sensor , wherein the processor is configured to execute computer-readable, executable instructions, stored in the memory , which when executed cause the processor to perform operations, including, receiving the first ambient pressure measurement from the first pressure sensor and the second ambient pressure measurement from the second pressure sensor , determining a difference between the first ambient pressure measurement and the second ambient pressure measurement, generating an updated zero-offset calibration coefficient, the generating responsive to determining the difference between the first ambient pressure measurement and the second ambient pressure measurement, and transmitting the updated zero-offset calibration coefficient to the first pressure sensor , wherein, when received, causes the first pressure sensor to update the previously determined zero-offset calibration coefficient with the updated zero-offset calibration coefficient, characterized in that the first pressure sensor comprises a piezo-resistive pressure transducer, and the second pressure sensor comprises a micro-electro-mechanical resonant pressure transducer. a first pressure sensor configured to output a first ambient pressure measurement determined based on a zero-offset calibration coefficient (K) previously determined for the first pressure sensor; a second pressure sensor configured to output a second ambient pressure measurement; and a computing device , including a processor , and a memory , the computing device coupled to the first pressure sensor and the second pressure sensor , wherein the processor is configured to execute computer-readable, executable instructions, stored in the memory , which when executed cause the processor to perform operations, including, receiving the first ambient pressure measurement from the first pressure sensor and the second ambient pressure measurement from the second pressure sensor , determining a difference between the first ambient pressure measurement and the second ambient pressure measurement, generating an updated zero-offset calibration coefficient, the generating responsive to determining the difference between the first ambient pressure measurement and the second ambient pressure measurement, and transmitting the updated zero-offset calibration coefficient to the first pressure sensor , wherein, when received, causes the first pressure sensor to update the previously determined zero-offset calibration coefficient with the updated zero-offset calibration coefficient, receiving the first ambient pressure measurement from the first pressure sensor and the second ambient pressure measurement from the second pressure sensor , determining a difference between the first ambient pressure measurement and the second ambient pressure measurement, generating an updated zero-offset calibration coefficient, the generating responsive to determining the difference between the first ambient pressure measurement and the second ambient pressure measurement, and transmitting the updated zero-offset calibration coefficient to the first pressure sensor , wherein, when received, causes the first pressure sensor to update the previously determined zero-offset calibration coefficient with the updated zero-offset calibration coefficient, characterized in that the first pressure sensor comprises a piezo-resistive pressure transducer, and the second pressure sensor comprises a micro-electro-mechanical resonant pressure transducer. <EOS>