exe file, right click on flmsg.exe and choose Select. Example: /Applications/flmsg-1.1.22.app/Contents/MacOS/flmsg PC (Windows 7) – Find the. Drag and drop the icon on to the "flmsg:" entry box and the the value will be correctly entered. You will be viewing an icon labeled "flmsg". Locate the flmsg icon, and right click on it. Incoming messages automatically opened in Flmsg! Auto open messages in browsers! Walk away and come back to see messages! Display in browser - great for EOC or Served Agency Configuration: In Fldigi, Config->Misc, choose NBEMS tab Check appropriate boxes Check “Enable NBEMS data interface”Ĭonfigure fldigi Misc, NBEMS Locate flmsgĬonfigure fldigi Misc, NBEMS Locate flmsg Mac (OS X) - A file browser is opened to the "Applications" folder. One click sending! Enter text directly into large empty box (or form) Can also drag-and-drop a text file into box Push the AutoSend menu Will be prompted to save file with automatically assigned unique filename Flmsg will cause Flwrap to wrap (checksum) and Fldigi to automatically send the message 12 Allows multiple stations to receive and confirm data 100% Great for bulletins like situation updates, weather reports, road closures, lists of contact info. Checksum is inserted into a file by Flwrap Receiving station computes the checksum on the incoming file and… if the two checksums are identical, the file was received without error. Verification with Checksums Checksums allow you to be 100% sure your message was received accurately. Uncheck “Allow manual tuning” for VHF/UHF The digital waterfall is a visual representation of time, frequency and amplitude.Ħ4 tones sent at same time Signal width is 2000 Hz Offset frequency is always fixed at 1500 Hz Fixed low frequency eliminates tuning errors Sounds like a buzz saw 9įldigi Configuration Tabs: Modems/MT-63 64 bit (long) interleave, 8-bit char extended characters (UTF-8) Provides extra data redundancy, both stations must have same interleave setting. Interfaces make things more reliable and quieter. Hold the radio microphone up to the computer speaker press PTT and play the message from the PC! Interface options for computer: Rigblaster, SignaLink, KH6TY, home brew. No interface required – in case of an emergency: Hold the radio’s speaker up to the computer’s microphone and the message is automatically decoded. NBEMS Workshop - Norm K6YXH, and Naomi WB6OHW Turn off Windows 7 Microphone Enhancements Disable all sound effects Any radio with a microphone and speaker Free Open Source Software FLDIGI (Fast Light Digital Modem application) FLMSG (Fast Light Msg – Forms Manager) FLWRAP (Fast Light Wrapper – File encapsulation) 5 Any Computer – laptops and netbooks work just fine Some sound cards are known to distort input Turn off Windows 7 Enhancements, like Noise Reduction No need for a powerful new computer - older machines work just fine, even netbooks! PC’s Sound card generates and decodes signals Computer does all the work, no need for a TNC PC’s sound goes into the radio's microphone Radio’s sound goes into PC’s microphone Or use an electrical interface, such as KH6TY or SignaLink How Narrow Band Emergency Messaging System works Compatible: any computer, any radio Accurate (uses ‘check sum’ technology) Efficient – takes advantage of the full bandwidth Effective on VHF/UHF FM and HF SSB Fun! Works on Simplex and Repeaters Download: 3 Infrastructure independent: Windows, Mac, Linux Narrow Band Emergency Messaging System is NBEMS can handle this traffic at 20 characters/second, much faster than voice for all but the simplest messages. Traffic may include: Detailed Damage Assessment Numbers and Types of Injuries Requests for provisions/supplies/medication/personnel Directions to field locations We need a way to pass high volume, or very detailed information that is better suited for digital mode than voice. Why Narrow Band Emergency Messaging System? Narrow Band Emergency Messaging System - Using Sound Card Technology -For Canejo Valley Amateur Radio Club NNØRM - Norm Goodkin NNØMI – Naomi Goodkin WØDHG – David Goldenberg
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