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
48