What is the radiation dose at high altitude when flying? Actual measurements on two flights

What is the radiation dose at high altitude when flying? Actual measurements on two flights
About 0.16 μsv/h on flat ground. 737-900ER measured up to 1.13 μsv/h. A350-900 may fly at a higher altitude and measured up to 1.48 μsv/h.
Radiation dose in Fukushima nuclear disaster area:
• 搭乘特急前往日本福島核災區實測輻射、放射性狀...
Thai Lion Air 737-900ER flight record:
• 波音737-900ER 泰國獅航 台北(桃園...
Starlux Airways A350-900 flight record:
• 空中拍攝超美富士山 星宇航空 A350-90...

[@Ryder737]

平地約0.16 μsv/h 737-900ER測得最高1.13 μsv/h A350-900可能飛行高度較高，測得最高1.48 μsv/h
福島核災區輻射劑量:
ua-cam.com/video/2Yu8_gCT9fQ/v-deo.html
泰國獅航737-900ER 飛行紀錄:
ua-cam.com/video/8x72fTetihk/v-deo.html
星宇航空A350-900 飛行紀錄:
ua-cam.com/video/3B0wRXSne5M/v-deo.html