Puerto Rico Seismic Network 1. The digitizadtion rate is 100 sps.
Continuous recording is used.
The data from the Virgin Island hubs are transferred by dial up telephone to the offices of the PRSN for processing. Eight helicorders are used to record data from short period stations. For the broadband stations Ref Tek Digitizers are used. The data are digitized at a rate of 100 sps and relayed by UHF radios continuously to two separate hubs which are linked to the PRSN offices by DDS telephone lines. For the short period as well as the broadband stations, the data are recorded in WGSN format.