The Weather Fax system for Windows (version 3.0) is a software program that is preconfigured to run on the COMM MOD. It works with Windows NT and can operate  even  while  other  programs  are  running. Weather Fax is used to copy HF facsimile products and requires that a demodulator be used to interface with the HF receiver. The program can be used to tune the receiver and format a facsimile reception schedule. A Weather Fax scheduler database allows you to browse through  selected  world  weather  fax  stations  and schedules. The COMM MOD can also be configured to receive  RATT  (Radio  Teletype)  directly  from  a shipboard patch panel. RATT data is basically AWN data received from the Fleet Environmental Broadcast. RATT data can be saved in an ASCII format. Detailed setup and operating instructions for the COMM MOD are contained in the IMOSS Users Guide. Satellite Module The purpose of the satellite module (SAT MOD) is to receive, store, and display data from meteorological satellites.  Like  the  communications  module,  the satellite module is another separate laptop computer that  is  packaged  in  a  separate  ruggedized  case. Automatic Picture Transmissions (APT) data from polar-orbiting satellites, as well as WEFAX imagery from  geostationary  satellites,  can  be  received depending on the antenna selected. The received data is ingested  and  managed  by  software  known  as WEATHERTRAC. The SAT MOD can be linked to the COMM MOD and to the main MOD to provide data transfer and briefing support, or it may be deployed independently. The satellite module is discussed in detail in chapter 1 of module 3. Setup and operating instructions are contained in the IMOSS Users Guide. Q37. Q38. Q39. Q40. REVIEW  QUESTIONS What is the main function of TESS? What is the major difference between older versions of TESS and TESS-NC Transition? The TESS-NC Unix-based workstation is used for  what  purpose? How many environmental subsystems does the NITES  incorporate? Q41. Q42. Q43. Q44. IMOSS is primarily designed for what segment of  METOC  support? Which module of IMOSS is designed primarily to run GFMPL? What  is  the  purpose  of  the  IMOSS communications module? What type of satellite data can be copied by using the  Satellite  Module? SATELLITE AND HIGH-FREQUENCY FLEET BROADCASTS LEARNING OBJECTIVES: Recognize the various SHF satellite and HF radio broadcast systems   used   to   transfer   environmental information  to  ships  and  mobile  environmental teams,  Identify  the  publication  that  lists  HF radio   environmental   broadcast   channels. Describe  HF  facsimile  receiver  equipment  used by  Aerographer’s  Mates. In this section, we will discuss the various super- high-frequency (SHF) satellite and high-frequency (HF) radio environmental broadcasts that are available to  Aerographer’s  Mates  stationed  aboard  ship  or assigned to mobile teams. We will also discuss HF facsimile  receiver  equipment. FLEET MULTI-CHANNEL BROADCAST (FMCB) Shipboard Aerographer’s Mates routinely send all observations and forecasts from their ship to other units via AUTODIN. They also receive and send a number of administrative  messages  via  AUTODIN  channels during  normal  operations.  The  bulk  of  incoming meteorological  and  oceanographic  data  is  received  on  a satellite  broadcast  known  as  the  Fleet  Environmental Broadcast.   Both   AUTODIN   and   the   Fleet Environmental  Broadcast  are  transmitted  to  ships  via SHF satellite as part of a secure communications system known as the Fleet Multi-channel Broadcast (FMCB). 1-33