80 likes | 158 Views
Learn how to establish Ham TV school contacts with ground station requirements, school needs, system support, content, and scheduling procedures presented by expert Gaston Bertels. Includes detailed technical specifications and step-by-step instructions.
E N D
How to set up Ham TV school contacts Presented by Gaston Bertels, ON4WF
Ground station requirements • no obscurations for the antennas • 1.2m dish for S-band • Tutioune software • crossed VHF yagis (minimum 6 elements) • shack controlled left/right circular polarization • 100W VHF narrowband FM • accurate tracking (Pro.Sis.Telor similar) • Internet access (200 kb/s uplink minimum, 500 kb/s preferred) • reliable phone line • chains of 3 ground stations (10 minutes video)
Schoolrequirements • fast Internet access • reliable phone line • conference phone (external microphone) • audio amplifier • computer equippedclassroom • beamer and screen
System support • teleconference phone service • BATC server (British Amateur Television Club) • multiscreenviewer (5 screens) • automaticscreen and audio selection
Content • questions and answers • microgravityexperiments • imagined and proposed by students • submitted to ARISS / Expedition management
Scheduling • waitinglist of candidate schools for Ham TV contacts (requirements) • mentor • passpredicts for chained stations
Ham TV contacts • technical set up by qualifiedhamoperator • standardized introduction • presentationcanbestreamed on BATC server (camera) • videorecording (school and ARISS archive)