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Interference in the cellular network after Alfrida

The three major operators, Telia, Tele2, and Three states, all of the interference in the cellular network in different extent. It is mainly in Stockholm, Norrtälje, Uppsala, sweden, in the area around Gävle and to a certain extent on the island of Gotland – the areas affected by the power cuts – as the cellular network is affected.

" As operator, we are dependent on electricity companies. So we simply wait on the mains will come into operation again, " says Louise Ekman, press officer at Tele2.

the national Post and telecom agency (PTS) to determine which back-up power operators need to have in the event of a power failure. In the present case of the transition rules and regulations will apply until June 2020. Then, operators in urban areas – places with 8,000 thousand inhabitants or more – be able to guarantee at least one hour of emergency use. Outside urban areas comes at least four hours of backup power.

to the operators for self-assessment make a risk analysis for all the installations and on the basis of the take appropriate protective measures to maintain a reasonable reliability.

– You should have a serious driftsäkerhetsarbete which means that you have a track of all their equipment and all their relations. For the important facilities you may need to have more back-up, or redundancy, that is to say that it doubles the connections so that one is left if the first one goes down, " says Anna Montelius, a lawyer at the network security department postal affairs at the PTS.

– In many cases, operators are already clear and already meets the requirement we set. But we have also seen that you can even not do it at all keep.

”Our plot looked like a battlefield”

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