• THE WIND RISES

      Wa8lmf tnc test cd. 25 packet vs VARA on HF APRS on the 60-meter band.



      • Wa8lmf tnc test cd pdf","path":"doc/2400-4800-PSK-for-APRS-Packet-Radio Stephen has created a TNC test CD that you can download here. These metrics can be visualized in grafana using the included dashboard. It is a prometheus exporter and grafana dashboard for direwolf (and other software TNCs) that collects packet metrics using the AGW or KISS TCP/IP interfaces. Without any additional software, it can perform as: APRS GPS Tracker Feb 28, 2016 · Using the TNC Test CD from WA8LMF - that you may download at http://wa8lmf. pdf, we briefly 60-Meters APRS-over-Vara-Test January 2023 A precisely-controlled experiment to compare the performance of classic 300-baud AX. wav files and/or the . Data rates: 300 AFSK, 1200 AFSK, 2400 QPSK, 4800 8PSK, and 9600/19200/38400 bps K9NG/G3RUH. S. md | 17 +++++- doc/WA8LMF-TNC-Test-CD-Results. This test was to determine the minimal hardware required to use VARA in a practical way on HF. \n \n A station using Dire Wolf can monitor the audio levels and advice those which are significantly different than most others. 5mm computer sound card “Line Out” and “Line In” (not Mic input!) jacks. I guess they could have fixed the issues with the godawful changing of the terminal colours and completely revamped the configuration files, the way it needs to output to the terminal instead of staying quiet like a daemon should, and actually followed Unix conventions for how programs work with each other about >800 packets can be decoded against WA8LMF TNC TEST CD Track 1 (MP3) support TNC2 Raw protocol only; using USB serial for host connection and power supply; support Wi-Fi connection (TCP and UDP) to APRS-IS; support Web Service config and control system; display received and transmit packet on the LED We would like to show you a description here but the site won’t allow us. 25 packets with a method that is completely unrelated to FX. Contribute to dslotter/HamPi development by creating an account on GitHub. I'll leave comparative tests and public benchmarking to other neutral parties! WA8LMF TNC Test CD. 2 1x / 11x ON (typical) - Incoming audio is processed at the received volume from the radio (1x). Where VARA FM is a soundcard program, Direwolf is a software-based terminal node controller. This allows these programs to take advantage of the enormously superior weak-signal HF performance of VARA. Ideal for building a Raspberry Pi digipeater & IGate. I have a TNC-X, a DIY kiss TNC and kf5inz board for direwolf. pdf) + + Here, we take a closer look at some of the frames on the TNC Test CD in hopes of gaining some insights into why some are easily decoded and others are more difficult. pdf Why waste $200 and settle for mediocre receive performance from a 1980's technology TNC using an old modem chip? Dire Wolf decodes over 1000 error-free frames from Track 2 of the WA8LMF TNC Test CD, leaving all the hardware TNCs, and first generation "soundcard" modems, behind in the dust. ) is widely used for fully scrollable zoomable street-level maps of all of the U. Device is able to decode around 981 packets from Track 2 of WA8LMF TNC Test CD v1. Dec 1, 2020 · The word Deviation does not appear in any of the user documentation that I've reviewed. Please, no wagering. cue file Extract the . WA8LMF TNC Test CD. You don’t want to be included in my next collection of really bad signal examples. It says right on the Direwolf page that it decodes the WA8LMF Test CD From within 7-zip, open TNC-Test's . Taking a tip from the DireWolf developers, we burned a CD with the WA8LMF 25 minute APRS sessions and played tracks 1 and 2 from a CD player directly into a sound card to test DireWolf and the Tracker. * Packet filtering for digipeater and IGate. pdf, we briefly decode more than 1000 error-free frames using WA8LMF TNC Test CD. Sep 12, 2022 · Hi, I'm looking for raw AX. 0, the Precision Mapping 9 server and the UZ7HO Soundmodem soundcard "soft TNC". 60-Meters APRS-over-Vara-Test February 2023 An experiment to compare the performance of VARA vs MFSK vs OFDM on HF APRS on the 60-meter band. A terminal node controller (TNC) is a device used by amateur radio operators to participate in AX. Version 1. Sound Card Packet. It is also the default settings of the DireWolf and UZ7HO Soundmodem software sound-card TNCs. Eltima Software Serial Port Utilities MixW can be used as a TNC emulator, outputting data to a serial port for use with another program such as APRS or packet BBS. Contribute to nwdigitalradio/direwolf development by creating an account on GitHub. pdf","path":"doc/2400-4800-PSK-for-APRS-Packet-Radio Dire Wolf is a software "soundcard" AX. It can Any APRS client application that can use a KISS-mode AX. Toughbook installation in my 2006 VW Jetta TDI diesel, showing VARA, the UZ7HO Soundmodem and three copies of UIview running at the same time. 25 packet vs VARA on HF APRS on the 60-meter band. A visit to the local APRS frequencies demonstrates the need for education on the topic. Does anyone have a copy of the test WAV files included on the WA8LMF APRS Test CD that they can share. I 'need' this to test the processing code in my router. cue file for burning to CD. k. [Note that this discussion focuses on using VARA with a live keyboard-to-keyboard chat client. A Kantronics KAM TNC fitted into one bay, a Kenwood TM421UHF transceiver in the third bay and a Kenwood TM221 2M rig in the fourth bay. 1 (preemphasized audio) Device is able to decode around 960 packets from Track 1 of WA8LMF TNC Test CD v1. Posted by u/tadd-ka2dew - 24 votes and 15 comments >-----Original Message----- > From: Stephen H. 71 : 26-Sep-20 : A2 NinoTNC switch arrangement is shuffled. Stephen Smith's Home Page Revised 2 Dec 2024. 25 packet radio networks. net wrote: > With the raw ISO images, most burners that I am familiar with, take > right off and you're there. WA8LMF TNC Test CD Download . 300, 1200, and 9600 baud operation. Compatible with Software defined radios such as gqrx, rtl_fm, and SDR#. zip Zip folder for version 1. Click here for a view. 1 track 1 by wa8lmf). Dec 17, 2024 · We made some packet decoding efficiency tests using well known WA8LMF TNC Test CD. pdf","path":"doc/2400-4800-PSK-for-APRS-Packet-Radio From 6d836c1faf96a3a53495f25037b78beb2deb0598 Mon Sep 17 00:00:00 2001 From: WB2OSZ Date: Fri, 1 Jan 2016 20:37:58 -0500 Subject: [PATCH] Add new document with The UZ7HO Soundcard TNC/modem has another unusual feature: It actually tries to repair defective AX. Some extremely non-scientific test results, to give a general idea of RX performance. + There are a Besides, the TNC can only be doing one thing at a time. ] Direwolf (by WB2OSZ) and APRSdroid/javAPRS (algorithm by 4X6IZ) feature extellent demodulation algorithms, tested with the TNC Test CD (WA8LMF). While this project has 1/10th the functionality of the above programs, it does present an easy to understand and modular approach to demodulating AFSK signals -- particularly in the signal processing And Steven Smith WA8LMF has provided a downloadable Packet TNC Test CD Image File that is an excellent test tool (that link will open in a new window). * Up to 3 different audio devices at the same time. zip file contains a . pdf & A-Closer-Look-at-the WA8LMF-TNC-Test-CD. Why waste $200 and settle for mediocre receive performance from a 1980's technology TNC using an old modem chip? Dire Wuff decodes over 1000 error-free frames from Track 2 of the WA8LMF TNC Test CD, leaving all the hardware TNCs, and first generation "soundcard" modems, behind in the dust. Battle of the TNCs [ download ]How can we compare how well the TNCs perform under real world conditions? The de facto standard of measurement is the number of packets decoded from WA8LMF’s TNC Test CD. New framework for applications which listen for Touch Tone commands and respond with voice. png diff --git a/README. WA8LMF TNC Test CD Results a. 51 shipping with NinoTNC A3 in early September 2020 // 2. It decodes really well - I've benchmarked it with the WA8LMF TNC Test CD and it's in the top category by the number of decoded packets, when compared to the benchmark results published for other TNCs by John in the Direwolf documentation. I'm not in a position to burn the CD to then mount it and extract the files, so I hope that someone else has/can, and can share them. Track 1: 25 minutes of flat audio from the discriminator. The size of the downloaded ZIP file should be exactly 541,356,838 bytes when checked with the Windows File Explorer right-click "Properties" command. Software replacement for hardware based Packet TNC. a. bin and . pdf","path":"doc/A-Better-APRS-Packet {"payload":{"allShortcutsEnabled":false,"fileTree":{"doc":{"items":[{"name":"2400-4800-PSK-for-APRS-Packet-Radio. APRS Client WX3in1 Plus 2. The levels are also a perfect match for the levels on 3. Dec 29, 2024 · When TX-TEST is depressed, the NinoTNC will generate a very audible sine wave. 7. Why waste $200 and settle for mediocre receive performance from a 1980's technology TNC using an old modem chip? Dire Wolf decodes over 1000 error-free frames from Track 2 of the WA8LMF TNC Test CD, leaving all the hardware TNCs, and first generation "soundcard" modems, behind in the dust. pdf","path":"doc/A-Better-APRS-Packet . 800 MHz (in Europe and the UK), a packet modem (a. Oct 7, 2023 · Hello, It looks like the incorrect files were placed into the direwolf-1. Is there a way to obtain APRS encoded audio file lets say 'CALLSIGN TESTING' so I can test my radio setup? Long story is I am working on a program/radio setup and don't have a APRS enabled radio but I do have a receiver to receive them. connected to its microphone jack). 25 Packet Radio signals. 1 (not preeamphasized audio). Dire Wolf User Guide Decoded Information from Radio Emissions for Windows Or Linux Fans Version 1. It can be used stand-alone to observe APRS traffic, as a tracker, digipeater, APRStt gateway, or Inter Originally the MX614 based modems would retrieve around 970 packets from the 'standard' APRX TEST CD (TNC_Test_Ver-1. e. UZ7HO's "Soundmodem" from the above site repacked into a full automated Windows installer, here on the WA8LMF website. ESP32IGate is a Internet Gateway + TNC Built in that is implemented for Espressif ESP32 processor. pdf | Bin 596897 -> 617742 bytes tnc-test-cd-results. 25. 25 and/or APRS packet data. png | Bin 0 -> 9892 bytes 3 files changed, 16 insertions(+), 1 deletion(-) create mode 100644 tnc-test-cd-results. Our problem, (mine), is not RTFM and I > apologize. 25 packet modem/TNC and APRS encoder/decoder. I saw this problem on both a raspberri pi and a pc. Once that was connected, I downloaded the audio tracks from the WA8LMF Test CD and played it out the speakers. [The APRSplus part was contributed by me. Many have published the number of packets they have been able to decode from this test. Google didn't help unfortunately so that's why I'm asking here. 25 KISS TNC rev. and Canada inside UIview, using the Precision Mapping Server 9. pdf. The downloaded . More details, see: A-Closer-Look-at-the-WA8LMF-TNC-Test-CD. The USB message shows up as a KISS packet-received frame with an information frame containing the text ":Test Packet by USB". Here they are, all gathered in one place, for your reading pleasure. This is a collection of packet braps recorded on 144. As people may know I'm adding APRS to the MMDVM based on the mobilinkd code and I need to debug my version of it. Repeater Equipment Suppliers Antennas, Controllers, Duplexers, Feedline, Power Amplifiers, Preamplifiers, Repeaters, Voters, and more. Dire Wolf Packet Modem. This becomes especially important (to me) in weak signals. More accurate transmit PTT timing. Track 2: De-emphasis to mimic typical receiver. 6 versions of direwolf and see the same issue. pdf","path":"doc/2400-4800-PSK-for-APRS-Packet-Radio Apr 29, 2021 · Hi, I have been tracking down a problem with direwolf and have narrowed it down to the sound input file. Without any additional software, it can perform as: APRS GPS Tracker Why waste $200 and settle for mediocre receive performance from a 1980's technology TNC using an old modem chip? Dire Wolf decodes over 1000 error-free frames from Track 2 of the WA8LMF TNC Test CD, leaving all the hardware TNCs, and first generation \"soundcard\" modems, behind in the dust. The ZIP file linked below contains an image file that can be used to re-create a compact disk containing files to test and compare the performance of standard 1200 baud VHF packet radio TNCs under various conditions. pdf","path":"doc/2400-4800-PSK-for-APRS-Packet-Radio The audio levels into and out-of this connector are similar to home stereo audio “line level” connections at RCA jacks on amplifiers, tuners, CD players, etc. pdf for details. Let's start with some basics: - What kind of hardware are you attempting to run this on? Aug 29, 2024 · We made some packet decoding efficiency tests using well known WA8LMF TNC Test CD. 1/2/3/4 and M5Atom, M5StickC Plus; using small interface board (ESP32TNC HAT) connecting to a transceiver; using ESP-IDF development framework to install TNC software; support Bell202 1200bps AFSK Has anyone ever done a side by side comparison of quality and ability to decode packet radio via hardware tnc vs software tnc? Say TNC-X vs Direwolf. supported hardware: FX. pdf","path":"doc/2400-4800-PSK-for-APRS-Packet-Radio Stephen Smith WA8LMF's APRS test CD Track 1 demoded 958 packets Stephen Smith WA8LMF's APRS test CD Track 2 demoded 641 packets Will need to test alternate TNC's to see how it measures up but based on these numbers it seems to be doing an excelent job of demodulating packets. We made some packet decoding efficiency tests using well known WA8LMF TNC Test CD. Screenshot of TNC exporter's Grafana dashboard, collecting metrics from direwolf decoding the WA8LMF TNC test CD. 25 networks, with the addition of a modem to convert baseband digital signals to audio tones. Nov 1, 2016 · With a DSP comes re-programmable firmware and the Tracker is no exception. 73 es cul - Keith VE7GDH {"payload":{"allShortcutsEnabled":false,"fileTree":{"doc":{"items":[{"name":"2400-4800-PSK-for-APRS-Packet-Radio. Convert to wave files: $ bchunk -w TNC_Test_Ver-1. (A CD-ROM drive normally doesn't need computer support to play audio CDs. When a received packet fails it's CRC, the Soundmodem tries inverting one bit of the packet at a time, and computes the CRC again. Feb 27, 2023 · Why settle for mediocre receive performance from a 1980's technology TNC using an old modem chip? Dire Wolf decodes over 1000 error-free frames from Track 2 of the WA8LMF TNC Test CD, leaving all the hardware TNCs, and first generation "soundcard" modems, behind in the dust. Configuration software for Windows: WX3in1 Plus 2. Finally, we saw a technique that can be used to compensate for this mismatch and obtain more than 1000 error-free frames from the WA8LMF TNC Test CD. {"payload":{"allShortcutsEnabled":false,"fileTree":{"doc":{"items":[{"name":"2400-4800-PSK-for-APRS-Packet-Radio. As Nov 19, 2024 · The AX. . 03 installation including Precision Mapping 9. You are then required to connect two serial ports back-to-back to connect the software TNC to the application that is going to use it. It is similar in function to the Packet Assembler/Disassemblers used on X. - (Image above needs to be updated for newer version) The numbers, in parentheses, after the audio level are explained in A-Better-Packet-Demodulator-Part-1-1200-baud. The screen shots below show the VARA modem and the VarAC chat client running on a cheap Windows 8. 0 (discontinued as of April 2014 with no replacement apparent. + +- [A Closer Look at the WA8LMF TNC Test CD](A-Closer-Look-at-the-WA8LMF-TNC-Test-CD. 7 and 1. Results are as below and they are repeatable: device is able to decode around 981 packets from Track 2 of WA8LMF TNC Test CD v1. WA8LMF TNC Test CD QQ DVD-Audio Demo/Promo/Sampler Gallery (with scans) | QuadraphonicQuad Home Audio Forum Audio Precision Fundamentals of Audio Test and Measurement 5-Disc Instructional DVD Set - Price, Specs {"payload":{"allShortcutsEnabled":false,"fileTree":{"doc":{"items":[{"name":"2400-4800-PSK-for-APRS-Packet-Radio. Dire Wolf is a modern software replacement for the old 1980's style TNC built with special hardware. Frame forwarding via the APRS network; Sending a frame to the APRS-IS server Apr 12, 2024 · Dire Wolf decodes over 1000 error-free frames from Track 2 of the WA8LMF TNC Test CD, leaving all the hardware TNCs, and first generation "soundcard" modems, behind in the dust. Here, we take a closer look at some of the frames on the TNC Test CD in hopes of gaining some insights into why some are easily decoded and others are more difficult. Once TX-TEST is released, the NinoTNC waits for most of a second and then generates both a USB message and a transmitted packet. Undertow Software's Precision Mapping 9. 0-9807304_i686 Dec 17, 2024 · We made some packet decoding efficiency tests using well known WA8LMF TNC Test CD. 13 (zip file): download Device manual v1. Both instances of UIview (AX. Note that this is the actual file size , not the "Size on disk" which will vary Dire Wolf is a software "soundcard" AX. Click on one of the blue links below to initiate a browser-based HTTP download. Operation with up to 3 soundcards and 6 radios. I played Track 2 of Stephen Smith WA8LMF's APRS test CD through an old JVC CD player, amplified it with a pair of powered PC speakers, and ran the signal from the speakers' headphone jack to the devices under test. However the latest achievement reaches almost 1000 packets! (994-998) retrieved from the test track. 1. Battle of the TNCs Compiled by WB2OSZ, September 2015 Last update, January 2019 It’s not that hard to build something that receives perfect APRS / AX. Reply reply     TOPICS. See A-Better-APRS-Packet-Demodulator-Part-1-1200-baud. 39 in California on a heavily overloaded channel. I'll leave comparative tests and public benchmarking to other neutral parties! Dec 18, 2019 · Hello Jeff, You need to provide more information here to give you a hand but the new cmake method works fine. Dec 18, 2019 · Hello Jeff, You need to provide more information here to give you a hand but the new cmake method works fine. pdf","path":"doc/2400-4800-PSK-for-APRS-Packet-Radio External CD (XCD) PTT (TX Key) TX Audio Out GND/ Common GND/Common on KAM Ctrl A Out (open drain) on KAMxl Ctrl Line A Out / Input AN0 on KPC3 +12 VDC IN (KAM) TTL version of AFSK (KAMxl) +12 VDC IN or RESET (Jumper Select) on KPC3 GND/Common on KAM/KAMxl GND or Reset (Jumper Select) on KPC3 Kantronics KPC3+ KAM (VHF) KAMxl (both ports) Radio To distinguish between the two modes on the APRS mapping websites, the AX. The development of ESP32IGate is for the study of converting analog signals to digital data. pdf","path":"doc/2400-4800-PSK-for-APRS-Packet-Radio {"payload":{"allShortcutsEnabled":false,"fileTree":{"doc":{"items":[{"name":"2400-4800-PSK-for-APRS-Packet-Radio. It can be used stand-alone to observe APRS traffic, as a tracker, digipeater, APRStt gateway, or Internet Gateway (IGate). The only non-PCB wiring inside the radio are the DC power cord and the speaker leads! Left-to-right the connectors are: mic jack, control head jack, standard TNC audio I/O and ptt (the radio has connections for an external TNC even though it has one build in), GPS NMEA data in, and finally RS-232 to/from the built-in TNC. Lower cost, higher performance alternative to hardware TNC. To distinguish between the two modes on the APRS mapping websites, the AX. 0-9807304_x86_64. feature. The results were overwhelming! VARA was at least an order-of-magnitude better than AX. 6 -- under development May 2019 Canis Dirus (Dire Wolf) Harvard Museum of Natural History Jun 1, 2015 · * Improved demodulator now decodes over 1000 error-free packets from WA8LMF TNC Test CD. Interface with applications by - AGW network protocol - KISS serial port - KISS network protocol Device is able to decode around 960 packets from Track 1 of WA8LMF TNC Test CD v1. 2. pdf Dire Wolf User Guide Decoded Information from Radio Emissions for Windows Or Linux Fans Pre Version 1. My TW700 is now effortlessly running a complete UIview 2. You will have to choose if you are going to be running APRS or a terminal program, and usually with the radio on different frequencies. Smith [mailto:wa8lmf2 at aol. net/TNCtest/ we have conducted several tests with the two APRS apps for iPhone TNC exporter provides a legible, information-dense and customizable interface to view and analyze TNC activity over time. I am a telecommunications mobile radio systems engineer. pdf","path":"doc/2400-4800-PSK-for-APRS-Packet-Radio Aug 29, 2024 · We made some packet decoding efficiency tests using well known WA8LMF TNC Test CD. With the soundcard DSP "soft TNC" running, the Win 8 Task Manager shows less than 25% CPU utilization and only about 2/3rds of the !GB RAM used. Dire Wolf was written primarily for APRS as a simple standalone APRS decoder, digipeater, APRStt gateway or Internet Gateway (IGate). TNC Test CD. ESP32TNC is a Terminal Node Controller (TNC) that is implemented for Espressif ESP32 processor. Let's start with some basics: - What kind of hardware are you attempting to run this on? To distinguish between the two modes on the APRS mapping websites, the AX. decode more than 1000 error-free frames using WA8LMF TNC Test CD. * Data Carrier Detect (DCD) can be sent to an output line (just like PTT) to We made some packet decoding efficiency tests using well known WA8LMF TNC Test CD. More importantly you probably want others to understand what you are sending. 25 beacons used the callsign WA8LMF-2, while the VARA beacons used WA8LMF-3. pdf","path":"doc/2400-4800-PSK-for-APRS-Packet-Radio {"payload":{"allShortcutsEnabled":false,"fileTree":{"doc":{"items":[{"name":"A-Better-APRS-Packet-Demodulator-Part-1-1200-baud. Los Angeles, afternoon rush hour, frequency completely saturated. md @@ -4,8 +4,23 This audio tone pair is generated by many hardware devices such as TNC-2 & MFJ 127x-series TNCs in 300-baud HF mode, TinyTracks in 300-baud HF mode, and the default setting of the HF port of the original Kantronics "KAM" dual-port TNC. With the new HW we achieved 850 packets for a long time, with a sudden jump to 950 packets, which is fair. net/TNCtest/ for more information o Lower cost, higher performance alternative to hardware TNC. 39 MHz (in the US and Canada) or 144. {"payload":{"allShortcutsEnabled":false,"fileTree":{"doc":{"items":[{"name":"A-Better-APRS-Packet-Demodulator-Part-1-1200-baud. My specialty is measuring the performance and coverage of VHF/UHF/800 MHZ two-way radio systems used by various governmental agencies including sheriff & police departments, fire departments, paramedics and general government users. "TNC") and a computer with suitable APRS software installed. See http://wa8lmf. 25 packet TNC (radio modem) can, in principle, connect to VARA's KISS port instead. By an absolutely amazing coincidence, the mobile-mount screw holes on the sides of the transceivers lined up with the existing CD-ROM drive mounting screw holes in the drive bays ( ! ). Feb 2, 2020 · Why settle for mediocre receive performance from a 1980's technology TNC using an old modem chip? Dire Wolf decodes over 1000 error-free frames from Track 2 of the WA8LMF TNC Test CD, leaving all the hardware TNCs, and first generation "soundcard" modems, behind in the dust. 1200 and 9600 baud can still serve useful in point-to-point portable emergency situations where line of site may be hard to achieve. 25 1200 baud receiver against WA8LMF's test CD. APRS-over-VARA will also work with this setup. I have tested both version 1. It can be used stand-alone to observe APRS traffic, as a digipeater, APRStt gateway, or Internet Gateway (IGate). May 13, 2020 · It decodes really well - I've benchmarked it with the WA8LMF TNC Test CD and it's in the top category by the number of decoded packets, when compared to the benchmark results published for other TNCs by John in the Direwolf documentation. Monitoring off-the-air with a two-meter receiver tuned to 144. 09: download Microsat devices feature comparison: download Packet decoding efficiency We made some packet decoding efficiency tests using well known WA8LMF TNC Test CD. You can convert it to wav files that are more practical these days, using the excellent bchunk found here. bin TNC_Test_Ver-1. Mar 24, 2017 · Dire Wolf is a software "soundcard" modem/TNC and APRS encoder/decoder. 25 in reliably transmitting data on the rather noisy 60-meter band. It can May 4, 2020 · The test CD's track 1 audio was decoded with Dire Wolf and then fed into Xastir via the AGWPE interface. mwrobertson at comcast. Aug 29, 2024 · We made some packet decoding efficiency tests using well known WA8LMF TNC Test CD. 75. md +++ b/README. md index e5997cb7. cue TNC_Test 60-Meters APRS-over-Vara-Test January 2023 A precisely-controlled experiment to compare the performance of classic 300-baud AX. md b/README. 0 plug-in for UIview. 0 Configurator v1. using the LibAPRS library to further develop To receive signals via ADC SAR using interrupt sampling or using I2S to read sampling signals at 9600 sample/sec on ESP32 microcontrollers and improve data Jun 12, 2020 · Once again, the fact that this is just an audio signal came in handy again. 300, 1200, 9600 bits per second data rates. Gaming. OFF - Use if your radio has an audio cable connection to the TNC (i. Dire Wolf is a software "soundcard" AX. iso file. 0 allows you to generate APRS data packets with information field defined by user and send them in a specified interval. Sound Card Packet with AGW Packet Engine Detailed instructions compiled by KC2RLM for configuring sound-card-based (no TNC required) packet systems including APRSplus. --- README. Sep 19, 2024 · He's been running the TNC's AX. Dire Wolf is a software "soundcard" AX. Decodes more than 1000 error-free frames from WA8LMF TNC Test CD. Dire Wolf decodes over 1000 error-free frames from Track 2 of the WA8LMF TNC Test CD, leaving all the hardware TNCs, and first generation "soundcard" modems, behind in the dust. Building something that works well, with all of the less-than-ideal signals out there, takes some effort. Over 1000 error-free frames decoded from WA8LMF TNC Test CD. A prometheus exporter for collecting metrics from a terminal node controller (TNC) used in packet radio networks. Since I am writing the code and want to be able to test it I thought it would be beneficial to have an APRS audio file to play through one of my transmitters ( FT ON - Use if your radio uses a direct data connection to the TNC. 1 (not preeamphasized audio) More Features. If you are interested on the subject, you can read about more TNC/Software results against the same TNC Test CD (most of the results are using Track #1) published by WB2OSZ at Over 1000 error-free frames decoded from WA8LMF TNC Test CD. 2 decodes more than 1000 error-free frames from WA8LMF TNC Test CD. Up to 3 soundcards and 6 radio channels can be handled at the same time. 7 October 2023. But it can act as a virtual TNC for many other applications. Dec 9, 2024 · // : This version decodes 948 packets on both test tracks on WA8LMF's test CD. pdf","path":"doc/2400-4800-PSK-for-APRS-Packet-Radio Dire Wolf decodes over 1000 error-free frames from Track 2 of the WA8LMF TNC Test CD, leaving all the hardware TNCs, and first generation "soundcard" modems, behind in the dust. Battle of the TNCs [ download] How can we compare how well the TNCs perform under real world conditions? The de facto standard of measurement is the number of packets decoded from WA8LMF’s TNC Test CD. 5 -- July 2018 Canis Dirus (Dire Wolf) Harvard Museum of Natural History I suggest you use the WA8LMF TNC test CD to qualify real-world results of other transmitters and plan accordingly. (explained later) The de facto standard for measuring demodulator performance. It can also be used as a virtual TNC for other applications such as APRSIS32, UI-View32, Xastir, APRS-TW, YAAC, UISS, Linux AX25, SARTrack, RMS Express, BPQ32 Dec 17, 2024 · We made some packet decoding efficiency tests using well known WA8LMF TNC Test CD. In the earlier document, A-Better-APRS-Packet-Demodulator-Part-1-1200-baud. 13 (installer): download WX3in1 Plus 2. The audio files could also be played on an old CD-ROM drive standalone, without a computer, by connecting the TNC under test to the drive's front panel earphone jack, or to the 4-pin analog audio jack on the drive's rear panel. 25 packet and VARA) were also plotting stations-heard on separate maps. This is/will be fixed in 2. 4cd56439 100644 --- a/README. 1 (preemphasized audio), device is able to decode around 960 packets from Track 1 of WA8LMF TNC Test CD v1. com] > Sent: Monday, October 30, 2006 7:18 AM > To: TAPR APRS Mailing List > Subject: [aprssig] *** APRS TNC Test CD Now Available *** > > *** APRS TNC Test CD Now Available *** > > > I have produced a CD containing signals for testing and > comparing the performance of {"payload":{"allShortcutsEnabled":false,"fileTree":{"doc":{"items":[{"name":"2400-4800-PSK-for-APRS-Packet-Radio. Interface with applications by - AGW network protocol - KISS serial port - KISS network protocol Aug 29, 2024 · We made some packet decoding efficiency tests using well known WA8LMF TNC Test CD. pdf, we briefly Direwolf is pretty horrible - though the last time I used it was about three months ago. 1 tablet. I used my patch panel to route speaker jack output of my Mac to the audio input of the NucleoTNC. 25 positions used the callsign WA8LMF-2 , while the VARA beacons used WA8LMF-3. The Jun 27, 2020 · HamPi. During the Tracker tests I got the attention of the SCS firmware Some interesting examples of really terrible signals can be found in A-Closer-Look-at-the-WA8LMF-TNC-Test-CD. Results. * Reduced latency for transfers to/from soundcards. A Closer Look at the WA8LMF TNC Test CD John Langner, WB2OSZ Rough Draft 1, January 2016 Added Epilogue, May 2018 WARNING! This document contains images of really ugly APRS radio signals that some will find disturbing. The contents are a folder called direwolf-1. aav srxik fyrg qgecec gilrcr fko ycbtji xgkh bhkb mcjh