Internet Service Provision

Hello,
I need information on how to setup an ISP company. The major challenge i have is that am looking for something asides VSAT.. i thnk VSAT is too expensive and doesnt give the real deal..i.e may not b able to withstand harsh weather so am looking for someone who has information on another type of Iinternet Service Provision....maybe Wimax or broadband towers/masts

Please do respond ASAP..

Thanks all