RasPi 1 is T2TAS (APRSC) aka VK7HSE-1/4 (APRX) This is the Raspberry Pi Model B
RasPi 2 is currently setup with Ras Pi Cam Control keeping an eye on the server room! This is the Raspberry Pi Model B+
RasPi 3 is this blog (vk7hse.org) and email. This is the Raspberry Pi 2 model B