Course: B1901 - NWR TRANSMITTER - CROWN
Type of Course: In residence for 5.0 days at the NWSTC
Audience: ESAs, ETs, and NWR contractors
Prerequisites: CLC Online Course: NWR Introductory Course

Course Overview: The course consists of the theory of operation, maintenance procedures, and practical application of diagnostic techniques of the Crown 100, 300, and 1000 watt Weather Radio transmitters. Use of the ROAMS (Remote Off Air Monitoring System), and the RTC-Gentner interface software is covered.

The NWR training employs multiple training delivery methods for cost efficient and effective learning. This training consists of three principal venues:

1. Student self-study:
   • An overview of the NWS Program
   • All the NWR support software, available Maintenance Notes, Modification Notes, and Manuals are under the NWR/CRS/WRIP section of the OBS3 website
   • Explanation of SAME codes
   • Explanation of FIPS codes
2. CLC Online Course: NWR Introductory Course.
3. NWSTC Residence Course: Students will travel to NWSTC for hands-on training in the NWR Lab.

Course Objective: Upon successful completion of this course, students will have the knowledge and skills required to maintain the CROWN Weather Radio transmitter at established National Weather Service Standards.

Learning Topics:

• System manual layout and content
• System overview
• User interface and operations
• Installation and startup
• Principles of operation
• Removal and replacement of LRUs (Lowest Replaceable Unit) or FRU (Field Replaceable Unit)
• ROAMS Operation
• Test equipment setup and connections
• Software installation
• Maintenance and adjustments - including PMs in the Maintenance Schedule and sending/receiving tones remotely from BMH
• VHF single cavity tuning
• Troubleshooting

Testing: There is a written test for this course.

Materials: All course materials are provided.