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E-21
• Signal reception may not be possible at the distances noted below during
certain times of the year or day. Radio interference also may cause
problems with reception.
Mainflingen (Germany) or Anthorn (England) transmitters: 500
kilometers (310 miles)
Fort Collins (United States) transmitter: 600 miles (1,000 kilometers)
Fukushima or Fukuoka/Saga (Japan) transmitters: 500 kilometers (310
miles)
Shangqiu (China) transmitter: 1500 kilometers (910 miles)
• Even when the watch is within the reception range of the transmitter, signal
reception will be impossible if the signal is blocked by mountains or other
geological formations between the watch and signal source.
• Signal reception is affected by weather, atmospheric conditions, and
seasonal changes.
• See the information under “Signal Reception Troubleshooting” (page E-31)
if you experience problems with time calibration signal reception.