U68*
About signal reception
Poor reception areas
It may be difficult to receive the time signal properly under certain environmental conditions or in areas susceptible to radio noise.
Extremely hot or cold locations | |
Inside vehicles | |
Near electrical equipment or office appliances | |
Near high-voltage electric cables, railway overhead cables, airports (transmission facilities) | |
Inside reinforced concrete buildings, between tall buildings, mountains, or underground | |
Near mobile phones or smartphones that are in use |