... Parameters can be measured: Inclination, azimuth, high side toolface, north direction toolface, and probe temperature. 2. Measurement accuracy(1 ... 1deg Gravity toolface: 0~360deg, error: ≤1.5 deg North direction toolface: 0~360deg, error: ≤0.5deg 3. ... Parameters can be measured: Inclination, azimuth, high side toolface, north direction toolface, and probe temperature. 2. Measurement accuracy(1 ...