Such a transmitter would use the same time code, but a different frequency.
There are two independent time codes used for this purpose.
Again the people in the box and the actual time code all concurred.
In general, each station has its own format for the time code.
Each channel holds one of the two bit streams required for the time code.
Dust can have a similar effect on the time code.
No time code is sent during the last quarter of an hour.
It takes one minute to transmit a complete time code.
With a time code at the bottom of the picture.
Twice per hour (minutes 15 and 45), the last 20 seconds of the time code are different.