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1. Fldigi Software For Windows 7
2. Fldigi Users Manual Version 4.0.17
3. Fldigi Software Download

Apr 14, 2016  Fldigi has been tested by Download82.com team against viruses, spyware, adware, trojan, backdoors and was found to be 100% clean. Our editors will recheck this software periodically to assure that it remains clean. Fldigi (short for Fast light digital) is a free and open-source program which allows an ordinary computer's sound card to be used as a simple two-way data modem.The software is mostly used by amateur radio operators who connect the microphone and headphone connections of an amateur radio SSB transceiver or an FM two way radio to the computer's headphone and microphone connections, respectively. Please send all trouble reports to feedback@w1hkj.com Mentor assistance is available on the following online groups:. linuxham - primarily for Linux and OS X users - groups.io. nbems - support for using the entire suite in an EMCOMM environment all operating systems - groups.io. win-fldigi - Windows users. Fldigi has been tested by Download82.com team against viruses, spyware, adware, trojan, backdoors and was found to be 100% clean. Our editors will recheck this software periodically to assure that it remains clean. Sep 28, 2019  Fldigi is a computer program intended for Amateur Radio Digital Modes operation using a PC (Personal Computer). Fldigi operates (as does most similar software) in conjunction with a conventional HF SSB radio transceiver, and uses the PC sound card as the main means of input from the radio, and output to the radio.

Fldigi (short for Fast light digital)^[4] is a free and open-source program which allows an ordinary computer's sound card to be used as a simple two-way data modem. The software is mostly used by amateur radio operators who connect the microphone and headphone connections of an amateur radioSSBtransceiver or an FMtwo way radio to the computer's headphone and microphone connections, respectively.^[5][6]

This interconnection creates a 'sound card defined radio' whose available bandwidth is limited by the sound card's sample rate and the external radio's bandwidth.

Such communications are normally done on the shortwaveamateur radio bands in modes such as PSK31, MFSK, RTTY, Olivia, and CW (morse code). Increasingly, the software is also being used for data on VHF and UHF frequencies.

Using this software, it is possible for amateur radio operators to communicate worldwide while using only a few watts of RF power.

Fldigi software is also used for amateur radio emergency communications when other communication systems fail due to natural disaster or power outage. Transfer of files, emails, and FEMA ICS forms are possible using inexpensive radio hardware.^[7][8][9]

• 2Portability
• 4The Fldigi Suite
• 5Test Tools
• 10Notable users

Supported digital modes[edit]

Portability[edit]

Operating systems[edit]

Fldigi is based on the lightweight portable graphics library FLTK and the C/C++ language. Because of this, the software can run on many different operating systems such as:

• Microsoft Windows (2000 or newer)
• Linux,^[11]
• FreeBSD,^[12]
• OpenBSD,^[13]
• NetBSD,^[14]
• Solaris.^[15]

Additionally, Fldigi is designed to compile and run on any POSIX compliant operating system that uses an X11 compatible window system / graphical user interface.^[15]

I have PageMaker 7.0 in Windows Vista (similar to Windows 7). Adobe postscript printer driver for windows 7 32 bit. So unless someone can point to a regular, straightforward download, rather than trying to show off MS' cleverness at makinga day-long process out of a 5-minute task, it will never work. It is not 100% but it works for me in most situations. Luckily I'm trying to do this within a VM, and my host OS (Linux) can work with my PS printer just fine.Of course, trying to use 'Windows Update' gives me a dialogue that will NEVER get anywhere even after leaving it for 20-30 minutes.

Architectures[edit]

The Fldigi software is written in highly portableC/C++ and can be used on many CPUarchitectures, including:

• Raspberry Pi^[16].

Sound systems[edit]

Multiple sound systems are supported by Fldigi, allowing the program to abstract the Sound card hardware across differing hardware and operating systems.

• Open Sound System (OSS)
• Read / Write to WAV files (file I/O)

Features[edit]

• NBEMS: The narrowband emergency messaging system ^[17][18][9]
• Support for transmitting and receiving in all languages by using UTF-8character encoding (some modes)
• Connection to external programs via TCP/IP port 7322 ^[19]
• Ability to be used as a KISS modem via TCP/IP port 7342
• Dual tone multi-frequency (DTMF) encoding and decoding
• Automatic switching of mode and frequency by use of Reed Solomon Identifier signal identification
• Inbuilt macro language and processor for programmable automated control
• Sound card oscillator frequency/skew correction
• Measure sound card oscillator's skew to atomic clock: WWV or WWVH
• Measure RF receiver frequency skew to atomic clock: WWV or WWVH
• Transmit a WWV-like time signal as a calibration reference
• Control of external transmit / receive radio hardware by using GPIO pins. (For embedded hardware)
• Simultaneous decoding of multiple morse code (CW) signals.
• Decoding of morse code (CW) by self-organizing mapartificial neural network (trained artificial intelligence)

The Fldigi Suite[edit]

The 'Fldigi Suite' consists of the Fldigi modem and all extension programs released by the same development group.These extensions add more capabilities to Fldigi such as verified file transfer and message passing. Interconnecion between these programs and the Fldigi modem is made over TCP/IP port 7322.^[20]

Flamp[edit]

Flamp implements the Amateur Multicast Protocol by Dave Freese, W1HKJ ^[21] and is a tool for connectionless transferring of files to multiple users simultaneously without requiring any existing infrastructure. The program breaks a given file into multiple smaller pieces, checksums each piece, then transmits each piece one or more times. When all parts are correctly received the sent file is re-assembled and can be saved by receiving stations. ^[22]This program is useful for multicasting files over lossy connections such as those found on high frequency or during emergency communications.

Flarq[edit]

Flarq implements the ARQ specification developed by Paul Schmidt, K9PS ^[23] to transfer emails, text files, images, and binary files over radio. This protocol is unicast and connection-based. The software seamlessly integrates with existing email clients such as Microsoft Outlook, Mozilla Thunderbird, and Sylpheed. ^[24]

Flmsg[edit]

Flmsg allows users to send, receive, edit, and create pre-formatted forms. Such a system speeds the flow of information during emergency communications. The software has a number of forms built-in including FEMAICS forms, MARS reports & messages, Hospital ICS forms, Red Cross messages, IARU and NTS messages.^[25]

Flwrap[edit]

Flwrap is a tool for the sending of files using a simplified drag and drop interface. Data compression is available also, which reduces data transfer times.^[26]

FLNet[edit]

FLNet assists net control operators in keeping track of multiple stations during digital amateur radio nets.

FLLog[edit]

FLLog is a logging software which keeps track of conversations between amateur radio operators in a database format known as ADIF.

FLWkey[edit]

FLWkey is a simple interface to control an external piece of hardware called a Winkeyer. This is a morse codekeyer which is adjustable via computer commands over USB.

Flcluster[edit]

Flaa[edit]

Flrig[edit]

FLRig is a component of the FLDigi suite of applications that enables computer aided control of various radios using a serial or USB connection.

Using FLRig in combination with FLDigi, events such as frequency, power level, receiver gain and audio gain may be adjusted from the computer automatically or by user intervention.

Test Tools[edit]

The Fldigi development group also releases a number of open-source programs which assist in the testing, development, and comparison of different modes within Fldigi.

LinSim[edit]

CompText[edit]

CompTTY[edit]

RSID[edit]

To identify the mode being transmitted a signal called an RSID, or Reed-Solomon Identifier, can be transmitted before the data. Using this identifier the receiving software can automatically switch to the proper mode for decoding. The assigning of these identifiers to new modes is coordinated to ensure inter-operation between programs.^[27]Currently 7 sound card-digital-modem programs support this standard.

• PocketDigi
• FDMDV
• DM780
• Multipsk
• Fldigi
• AndFlmsg
• TIVAR

RSID operates by sending a short burst of a specific modulation before the data signal, which can be used to automatically identify over 272 digital modes. This burst consists of a 10.766 baud 16-tone MFSK modulation where 15 tones/symbols are sent. The burst occupies 172 Hz of bandwidth and lasts for 1.4 seconds.^[27]

Software Architecture[edit]

For simple keyboard-to-keyboard communication Fldigi can be operated using just the main window. For more complex uses or file transfer external programs can be attached to the internal TCP/UDP ports 7322 (ARQ), 7342 (KISS), and 7362 (XML-RPC).

The image below helps to illustrate the interconnections and signal-flow within the Fldigi architecture.

Community-provided extensions[edit]

Fldigi allows external programs to attach and send / receive data by connecting to port 7322/ARQ or 7342/KISS. When used this way, Fldigi and the computer's sound card are acting as a 'softmodem' allowing text or data sent on one computer to be transferred using the wireless radio link in-between.Programs which have a history of use with Fldigi as the underlying modem include:

• D-Rats - easy to use chatrooms, email, and file transfer over-radio.
• PSKmail - send and receive on-internet e-mail over a remote radio connection.
• Fldigiattach - attach Fldigi as modem for Linux AX.25 and TCP/IP connections.
• UIChat - Java-based amateur radio chat program.
• LinkUP - Program for unattended operation and person to person chat.
• Linux - Fldigi can be used in Linux as a KISS (TNC) modem for AX.25 and TCP/IP connections.

Awards and recognitions[edit]

• At the 2014 Dayton Hamvention the project lead, Dave Freese (W1HKJ), was recognized with the Technical Excellence Award 'for his development and distribution of the Fast Light Digital Modem Application (fldigi) family of programs for use in amateur and emergency communications.'^[28]
• Fldigi was selected as Sourceforge's June 2017 Staff 'Project of the Month' ^[29]
• Fldigi was one of Sourceforge's 'Projects of the Week' for Oct 17, 2016 ^[30]
• Fldigi was selected as Sourceforge's December 2017 Community Choice 'Project of the Month'^[31]

Notable users[edit]

Disaster relief services[edit]

Fldigi Software For Windows 7

The software is also utilized by some organizations for both routine and disaster/emergency relief services.

The op amp’s place in the world of analog electronics. Chapter 2 reviews some basic phys-ics and develops the fundamental circuit equations that are used throughout the book. Similar equations have been developed in other books, but the presentation here empha-sizes material required for speedy op amp design. The ideal op amp equations are devel. Op Amp Applications Handbook is another book on the operational amplifi er, or op amp. As the name implies, it covers the application of op amps, but does so on a broader scope. Thus it would be incorrect to assume that this book is simply a large collection of. Note also that all real op amps have a positive and negative power supply terminal, but rarely (if ever) will they have a separate ground connection. In practice, the op amp 1 Such an op amp generates its own power, has two input pins, an output pin, and an output common pin. Op amp book pdf. HANDBOOK OF OPERATIONAL AMPLIFIER APPLICATIONS Bruce Carter and Thomas R. Brown ABSTRACT While in the process of reviewing Texas Instruments applications notes, including those from Burr-Brown – I uncovered a couple of treasures, this handbook on op amp applications and one on active RC networks. These old publications, from 1963.

• Multiple state and county Emergency operations centers^[32][33]
• W1AW (ARRL) ^[34]
• Amateur Radio Emergency Services (ARES)^[35][32]
• Radio Amateur Civil Emergency Service (RACES)^[36]
• Civil Air Patrol (CAP)^[37]
• SATERN, the Salvation Army Team Emergency Radio Network ^[38]
• SKYWARN a program of the United States' National Weather Service (NWS) whose mission is to collect reports of localized severe weather. ^[39]

Shortwave broadcasters[edit]

Following the successful tests by the Voice of America's VOA Radiogram program, international and government shortwave broadcasters began testing and experimenting with digital data over shortwave broadcast channels using the Fldigi software.^[40]These tests led to regular weekly digital broadcasts by the broadcasters listed below.

• VOA Radiogram, service terminated in 2017 and continuing as Shortwave Radiogram.
• In June 2017, following the demise of VOA Radiogram, Shortwave Radiogram began broadcasting digital. Retrieved 14 September 2018 – via SourceForge.
• ^'W1HKJ Software'. 14 August 2019. Software releases table. Retrieved 16 August 2019.
• ^'Beginners' Guide to Fldigi'. w1hkj.com.
• ^'Documentation/FAQ – fldigi'. fedorahosted.org.
• ^'Rolling Your Own with Digital Amateur Radio - Linux Journal'. www.linuxjournal.com.
• ^'An Amateur Radio Survival Guide for Linux Users - Linux Journal'. www.linuxjournal.com.
• ^Allocca, John. 'Amateur Radio Emergency Communications Reference'. Lulu.com – via Google Books.
• ^http://www.arrl.org/files/file/On%20the%20Air/Tutorials/Introduction_to_NBEMS_ARRL.pdf
• ^ ^abhttp://www.w1hkj.com/NBEMS/PublicService.pdf
• ^How Do I Decode a Weather Facsimile (WEFAX) Off of my Shortwave?Archived 2015-10-15 at the Wayback Machine
• ^'Package: fldigi (3.22.01-1)'. Debian. Retrieved 6 May 2017.
• ^'FreeBSD port'. freebsd.org.
• ^'ports/comms/fldigi/'. OpenBSD. Retrieved 6 May 2017.
• ^'pkgsrc/ham/fldigi/'. NetBSD.
• ^ ^ab'Infrastructure/Fedorahosted-retirement - Fedora Project Wiki'. fedorahosted.org.
• ^webmaster@debian.org, Debian Webmaster,. 'Debian -- Package Search Results -- fldigi'. packages.debian.org.CS1 maint: extra punctuation (link)
• ^'NBEMS'. www.arrl.org.
• ^https://www.liltechdude.com/portfolio/Data_Networks.pdf
• ^'FLDIGI Users Manual: Configure ARQ/KISS I/O'. www.w1hkj.com.
• ^'W1HKJ Software'. www.w1hkj.com.
• ^http://www.w1hkj.com/files/flamp/Amp-2.V3.0.Protocol.pdf
• ^'FLAMP Users Manual: FLAMP Users Manual - Version 2.1.02'. www.w1hkj.com.
• ^http://www.w1hkj.com/FlarqHelpFiles/ARQ2.pdf
• ^W1HKJ, Dave Freese,. 'flarqhelp-main'. www.w1hkj.com.CS1 maint: extra punctuation (link)
• ^'FLMSG Users Manual: FLMSG Users Manual - Version 4.0'. www.w1hkj.com.
• ^'FLWRAP Users Manual: FLWRAP Users Manual - Version 1.3'. www.w1hkj.com.
• ^ ^abhttp://www.w1hkj.com/RSID_description.html
• ^'Dayton Hamvention® Announces 2014 Award Winners'. www.arrl.org.
• ^'June 2017, 'Staff Pick' Project of the Month – fldigi - SourceForge Community Blog'. sourceforge.net. 5 June 2017.
• ^'Projects of the Week, October 17, 2016 - SourceForge Community Blog'. sourceforge.net. 17 October 2016.
• ^'December 2017, 'Community Choice' Project of the Month – fldigi - SourceForge Community Blog'. sourceforge.net. 1 December 2017.
• ^ ^ab'Big Island ARES Districts Activate to Support Possible Hurricane Response in Hawaii'. www.arrl.org.
• ^'Cascadia Comms - WAEmcomm'. www.wastateares.org.
• ^'W1HKJ honored for fldigi - KB6NU's Ham Radio Blog'. kb6nu.com. 22 August 2012.
• ^'NBEMS (fldigi, flarq, etc.) - Tippecanoe County ARES - W9TCA.com'. www.w9tca.com.
• ^'Join Brown County ARES/RACES : Brown County ARES/RACES : GroupSpaces'. groupspaces.com.
• ^'Communications Blog - Civil Air Patrol National Headquarters'. www.capmembers.com.
• ^'SATERN.org - NBEMS Intro'. qso.com.
• ^[1]^{[dead link]}
• ^RWO. 'International Broadcasters Reconsider Shortwave'. radioworld.com.
• ^http://swradiogram.net/
• ^'Radio Australia transmitting digital radiograms this weekend, June 8 – 9'. swling.com. 6 June 2013.
• ^'VOA Radiogram, 6-7 August 2016: In Thor25x4, news about Io'. VOA Radiogram.
• ^'How to decode WBCQ's digital message'. swling.com. 5 May 2012.
• ^'The Mighty KBC tests 9,450 kHz and will send a digital message this weekend'. swling.com. 6 November 2012.
• ^'Air Force MARS Region Ten – We provide contingent radio communications as directed by US DoD'. www.af-mars.org.
• ^https://txarmymars.org/downloads/Basic-Soundcard-Training.pdf
• ^'PSKmail'. pskmail.org.
• ^Russon, Mary-Ann (24 April 2014). 'Anonymous' Airchat Aims to Allow Communication Without Needing Phone or Internet Access'. ibtimes.co.uk.
• ^'Anonymous' radio-based networking keeps protesters off the grid'. engadget.com.
• ^http://hplusmagazine.com/2014/05/14/airchat-secure-wireless-from-anonymous/

Fldigi Users Manual Version 4.0.17

External links[edit]

• Fldigi on SourceForge - includes downloads

Fldigi Software Download