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第九百四十一章 困难重重!

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“这个……”

技术人员脸都红了,实际情况也确实是这样,企业也是为利润服务,不希望盲目储存大量无法产生收益的记录来额外增加成本和负担。

李牧内心却表示理解,移动运营商在全国有上亿用户,如果每一个用户每天来回切换基站的信息都要被记录写入数据库,每天产生的数据量将庞大到吓死人,没有利益驱使,运营商自然不会投资这么大去保留这个无意义的数据,而且数据写入量越大,对系统稳定性的冲击和考验也就越大,所以他们只保留漫游数据,是符合商业和技术逻辑的。

于是,李牧这个时候开口道:“那先不说这个了,我问你,既然上一次手机入网的时候,你们这里没有基站记录,那也就意味着,当时蔚澜的手机还在燕京市辖区内,对吧?”

技术人员点了点头:“上一次入网时是这样,但是现在关机了,所以我也没办法保证是不是还在市辖区内。”

李牧又问:“那如果对方手机开机、再次入网,你们需要多久能定位到具体位置?”

技术人员说:“至少也得两分钟以上。”

李牧也快炸了:“还要两分钟时间?为什么?”

技术人员只好解释道:“刚入网,我们最开始能得到那个默认被连接的基站信息,刚才说的定位方法,是需要至少三台基站来连接手机进行三点定位,在只有一台基站被确定的情况下,如果是市区,也许只能定位出一个方圆一公里的范围,如果是郊区,可能会定位出一个方圆两公里甚至更大的范围,太不精确了……”

李牧问他:“所以你需要两分钟以上的时间,只要在确定第一台默认被连接的基站信息之后,再让附近的至少两台基站连接手机,才能够确定定位吗?”

“是的。”技术人员点点头,说:“实际情况会更复杂,手机一次只连接一个信号源,也就是一台基站,所以为了让手机能连接到其他基站,我们还要先削弱甚至关停第一台基站的信号,然后再增强其他基站的信号,让手机捕捉到这个信号再连接,确定第二台的基站信息之后,再关停这一台基站,增强第三台基站的信号来让手机连接,手机连接三台基站成功之后,我们才能推测出具体方位,就等于是让三台基站挨个跟对方手机成功沟通一次,所以两分钟时间都是乐观估计……”

李牧傻眼了。

妈的,以前在电影上看到刑侦片段,警察需要时间才能定位到犯罪嫌疑人,而且很多时候犯罪嫌疑人时间把控的刚刚好,在警察即将定位出他的时候就恰好挂断电话,自己以前以为这些都只是影视作品的夸张演绎,没想到竟然真的这么麻烦!

李牧又问:“如果明天12点的时候,对方的通话时间达不到你们的需求,你们还是无法定位一个具体的位置出来,对吗?”

对方点点头:“我们可以定位一个大概的半径范围,不过这个半径可能会很大,如果在郊区的话,信号基站不够密集,那这个范围就更大了……”

李牧咂咂嘴,又道:“那你们现在查一下宋志磊的手机号,看看他的手机是什么情况!”

现如今大部分手机号没有实名制,不过宋志磊常用的手机尾号是四个8的豹子号,这个号码是在移动运营商那里找关系拿出来的,所以有实名认证,运营商来的技术人员第一时间开始彻查这个手机号的漫游情况。

但是,调查的结果让人格外失望:“李总,这部手机最后的入网时间是在五天前,入网地点是沪市本地,然后就失去音讯了,应该是设备已经关机,直到现在也没有再开过机。”

“查一下宋志磊名下还有没有其他手机号?”

“有一个,也是在五天前就关机了!”

“他的家人呢?”

“查到了他的太太,手机同样是在五天前就关机了!”

困难重重,李牧一下子又有些紧张与绝望。

知道是宋志磊干的,但找不到宋志磊在哪怎么办?时间紧迫,拖得越久,蔚澜也就越危险。

市局的刑侦团队已经开始便装从万盈地产为起点,开始摸排,眼下李牧只有两个依仗:

第一,刑侦团队尽快找到第一现场,顺藤摸瓜找到有价值的线索;

第二,明天中午十二点,绑匪打来电话确认的时候,让运营商的技术人员进行基站定位,希望能够定位出对方的位置!

……

PS:五千字大章,这是第一更,今晚争取三更,一鼓作气!求月票!!!

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