The church suggests two viable options that are unlikely to be affected by civil emergencies or natural disasters: satellite telephones and amateur radio. These two are currently the most logical solutions to the communications problem, as both land line and mobile phone networks are likely to be inoperable following a disaster of the magnitude we are talking about. What fragments of the network that are left intact will be heavily overloaded by the influx of calls from concerned relatives trying to get in touch with their lost loved ones.