English to Spanish Science Telecom(munications) GPS

¿esto podría ser conexiones primarias?

O conexiones A?

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Contexto:

characterized in that, in order for
the position inquiry to be automatically answered at
the second mobile station (MS2), a register is connected
to the program memory which runs the positioning
system, which contains the position inquirers,
advantageously a list of the subscriber numbers or
A-connections of the inquirers, the position inquiries
of whom the second mobile station (MS2) answers
automatically, according to the program which runs
the system.