Modifications

The sensor value is right, it just not apply the correction to return the Normalized SLP pressure (equivalent pressure at the sea level). The reference {{underline|reference}} weather station does applies SLP correction for you (so they displays normalized SLP).

The sensor value is right, it just not apply the correction to return the Normalized SLP pressure (equivalent pressure at the sea level). The reference {{underline|reference}} weather station does applies SLP correction for you (so they displays normalized SLP).

Let's do the correction on the value...

Let's do the SLP correction on the sensor's value...

{{underline|First:}} You must know your altitude (121m in my case, see here before How I did calculate it).

{{underline|First:}} You must know your altitude (121m in my case, see here before How I did calculate it).