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Winston Ojenge wojenge at strathmore.eduHi Andreas. Much appreciation, but one more question. Can OsmocomBB code recognize any other signals which are non-GSM in the neighborhood of the c123, for instance, signals generated by radio/TV receivers? How can it be made to recognize them? Ojenge On 4/20/12, Winston Ojenge <wojenge at strathmore.edu> wrote: > Hi Andreas, > Much appreciation. I have to do it as long as it's possible. Thanks. > Will update forum on my results progress. > Ojenge > > On 4/19/12, Andreas Eversberg <andreas at eversberg.eu> wrote: >> hi ojenge, >> >> you need to perform two steps: >> >> 1. you need to alter the neighbour cell measurement task in >> mobile/gsm322.c, so it will not measure neighbour cells in idle mode, >> but measure whatever you like. you can define up to 32 frequencies. >> after you've received the results, you can keep them, change them or >> change them back to start over, until you have measured the full range >> you want. you must give <ARFCN> + ARFCN_UPLINK in order to measure other >> phones. >> >> 2. as you have a complete set of frequencies you wanted to scan, you >> need to generate an sms with these results. >> >> note that you cannot sync nor read any messages from the surrounding >> phones with the neighbour cell measurement task. you just get the rx >> level of what passes through the filters. >> >> also note that the current code will only run on a host, so you need a >> laptop/netbook/embedded hardware to use the c123 with osmocombb. >> >> i suggest start reading the gsm322.c, it does most of the idle process. >> >> regards, >> >> andreas >> >> >