Although such communication is less subject to the vagaries of the ionosphere, it can be subject to interference from the sun.
虽然这样的通信是较少依于电离层的狂妄古怪的行为，它可能是依于干涉从太阳。
2
Temperature interference of crustal tilt observation may be divided into two parts, heat tilt due to the sun shine and effect of the room temperature variation.