VARA is overtaking the world by storm. 2 is here! VARA-VarAC new feature - Adaptive Broadcast speed Feb 3, 2020 · VARA HF, VARA FM, VARA FM Wide, VarAC, and VARA CHAT SoundModem and High-Speed (HS) SoundModem fldigi AFSK and GSM Packet Radio ARDOP Winmor PSK (all of the flavors) In addition, there are other software programs that require a VOX capable DRA. Will this be usable over normal voice bandwidth or will it need a 9600 baud data port or will that be configurable? Feb 25, 2024 · The Anchorage ARC is installing a new Winlink VHF RMS (Rado Mail Server) but this RMS will be operated as a VARA FM station instead of using traditional Packet 1200 or 9600 baud. You need NOT open VARA FM to run VARA FM but there are some interesting speed indicators/info to see. This week the WaveTalkers Crews dives into the details of setting a VHF/UHF Winlink Gateway for VARA FM and Packet. Compare this VARA FM speed to 1200 baud PACKET (1200 bit/second). The successor of FM Speed 2020 and FM Speeder 2017. The vertical axis shows the data rate in bits per second (bps). I did an article previously which explains it a little bit better and also an article and videos on ARDOP. It is on emergency power and site monitored. 4/11/21 #1483. But …. com provides two different latency measurements for your Internet connection: “unloaded” and “loaded” with traffic. Based entirely on Cheat Engine with 2 versions. Sep 2, 2023 · Using VARA FM Ping both the send and receive S/N are around +30 or greater. -Scott, NS7C. I see videos of Vara in these bands, with good SNRs and speeds 10x what I am getting. VARA is shareware; paying the shareware fee unlocks it’s full speed. io <VARA-MODEM@groups. Licensed versions of VARA FM 1200 are roughly 1⁄2 the speed of VARA FM 9600. 1. I am investigating how we can have this gateway station also host VARA FM connections. x software. May 14, 2022 · The Winlink published frequency is the "center frequency". I went ahead and registered VARA HF and it is much faster than the free version and ARDOP. Throughut was absolutely brilliant, but I expect it to get better when some Apr 9, 2023 · Consolidated cheat sheet FT-991A with VARA FM Narrow (1200) Using VarAC with VARA FM Mode on the Yaesu FT-991A via a Single USB Cable. Once transfer starts, it will shift to higher speeds dependent on the signal quality with the other station. io Subject: Re: [VARA-MODEM] Vara FM Speed [Edited Message Follows] Heber--Yeah, your S/N is terrible, and that is why you are stuck at level 1. Also make sure the box is checked that automatically launches the VARA FM TNC when session is opened. 1. Under Virus & threat protection settings, select Manage settings, and then under Exclusions, select Add or remove exclusions. Dec 13, 2022 · VARA-FM: Anything using high-speed VARA-FM. The VARA FM NARROW mode now avoids their use by shifting the frequency range middle frequency up 200Hz. 9 for Vara FM Wide. VARA testing included a new VARA 500 500Hz mode. The radio should go into transmit mode - but low TX audio. 103. I'm currently using VarAC with VARA FM mode on my Yaesu FT-991A, connecting to the radio with just one USB cable. If you put the radio in commercial radio station mode, aka WFM, you can get a full 30+db S/N ratio. Under the best conditions, speeds on 40 meters were about 1. See . If your SignaLink USB is an older unit with the red colored through-hole transformers, then your max speed will likely be limited to somewhere between 15,000-20,000 bps. 0 is a major upgrade that offers additional speed, robustness and utility, including a new robust 500 Hz narrow bandwidth mode. 2. Unless you are a GATEWAY I would be content with a good S/N on VARA narrow and get up to 12000 bit/second data speeds. In the other window, the Vara HF TNC window with the meters, select: Settings> VARA Setup. Jun 20, 2022 · VARA is a High Speed software based HF modem based on orthogonal frequency-division multiplexing (OFDM) modulation that is capable of 42 bps Symbol Rate with 59 carriers. 040 VARA narrow and VARA WIDE. io VARA Digital HF & VHF Modem for Amateur and Commercial use HF HIGH SPEED DATA INTEGRATION. Click on the radio button next to FM 2 VARA FM V/UHF Similar modem interface as other HF digital modes. The host address should be 127. VARA is available for HF as well as FM and can be loaded and used from within Winlink Express. •VARA HF and VARA FM are two of the many data traffic communications modes Winlink amateur radio uses for emergency communication message transactions. If you aren’t aware, VARA FM can provide excellent throughput at a much lower expense than setting up a 9600 baud packet capable station (due to the high price of Vara FM can use WIDE audio bandwidth signals for faster speeds, depending on hardware setup, and includes digipeating functionality similar to AX. Mar 19, 2022 · 1. RMS Packet will run full speed without a registration code. VARA FM Installation and Configuration. But VARA FM is a different animal. Attempt at fastest VARA FM WIDE data transfer. added to VARA FM. 1 - 4 of 4. Downloaded VARA HF and VARA FM and purchased a license. Once registered, you can use as many copies of both the HF and FM modem as you want, as long as they use the same callsign. I have adjusted my audio output levels so that my ALC is near the 1/3 mark (as suggested), and I’ve adjusted my Nov 21, 2018 · VARA MODEM (HF and FM VARA-MODEM@groups. Dec 17, 2022 · Attempting to set up VaraFM 4. Page 16 shows the FM testing of versions 3. Tom Whiteside. Like QAM-16. I run 2 VHF gateways with VARA-FM, my personal HF rig with VARA via WINLINK express, as well as my personal VHF/UHF station at home. 1 Apr 27, 2021 · VARA HF is a soundcard modem like ARDOP that can be commonly found on the HF bands exchanging traffic (Winlink). So Mar 15, 2021 · Running RMS Express - VARA FM peer-to-peer on both setups Set up a P2P message (k3eui to k3eui) with my standard 55kB jpeg image (solar eclipse) Here are the results after an instantaneous connect (RF only went 20 feet) so each rig was set up for VERY low power Sep 26, 2023 · yaesu-ftm-400xdr, troubleshoot-audio. Usually receiving at a maximum of 18db. Is a separate key (and $69) needed for VARA FM? 73 Gary N4GKM. SL4 (88bps): can be decoded at -14dB. Which limits the overall speeds to half of its ability in narrow mode on VARA FM. If you are sending a WinLink message in VARA, when you choose "open session", a channel selection option will be in the taskbar. Speeds: The "high speeds" are unlocked by registering the VARA modem for about USD $70. When you click the “Show more info” button, you can see your upload speed and connection latency (ping). The actual "dial frequency" you would set in the radio should be offset 1500 Hz lower, i. He was using a Digirig Mobile adapter for his Yaesu FT-7900 radio (maybe I’ll be able to talk him into guest authoring a post about his setup) and I was running my Icom IC-705 radio. How are the results calculated? Nov 27, 2020 · The 5100 is a V/UHF FM/D-Star radio. We are both using Icom 7100. This is on 40 and 80 meters. 0. Our group OCERI has been on the Vara bandwagon since its start. WinLink: Radio Email. com@groups. Jan 15, 2023 · By the way you need a high SNR (Signal to Noise Ratio) to hit higher speeds with Vara FM. It uses a “Sound Card” interface between your computer and your radio, as does WINMOR and ARDOP. On the Welcome screen, click the Next button. A friend of mine and I are trying to send VARA FM P2P. Bruce. VARA software and info. From: VARA-MODEM@groups. Only VARA FM 1200 can be used with pin 1200. So in other words - only one side can have a license (the one who connects) to unlock the speed limit. io> En nombre de Terrence Niedermeyer, W7TPN Enviado el: sábado, 14 de noviembre de 2020 20:10 Para: VARA-MODEM@groups. don’t get caught up in VARA “WIDE”. 5 or higher. HF Speeds available in SSB bandwidth (" Standard ") and 500 Hz CW bandwidth The VARA FM (narrow) mode has a wide range of "levels" or speeds ( I call them gears ) and gear #12 is very fast. Once transfer starts, it will shift to higher speeds dependent on the signal quality with the other station. VARA FM and HF are Windows digital data programs that work with the DRA Series radio adapters, including support for hardware PTT. · Instrumentation documented that some transceivers not designed for high-speed digital have poor audio response at low voice frequencies. I recommend to add an exclusion to C:\VARA folder. 7 w/Baofeng (UV-5R8W) w/Digirig 1. Pin 9600 is limited to 6Hkz audio bandwidth. Use both programs for free, but their incredible speed is deliberately slowed. The difference between these two measurements is also called “bufferbloat”. May 21, 2021 · My speeds are not great: 18-40 bps. Nov 11, 2023 · VarAC V5. io <jspady= mac. Once you download the archived file, open it, and extract the setup file. Vara FM can run in two speed modes, 1200 and 9600. x. I have checked the configuration and have both client/gateway Vara on Wide and with the key entered. Several speeds are available. Click on VARA FM icon in bottom Toolbar section and click on Settings NOTE: VARA FM works perfectly fine without a license key. The previously available SL5 level has been deprecated as it was not effective for our needs. Dec 7, 2020 · Heber--Vara FM will stay at level one during a connection checking for mail unless there are messages to transfer. I purchased a registration using VARA HF and when I connect to an HF RMS gateway I see A demonstration of Vara FM wide transferring data at the highest speed level using a stock red transformer Signalink connected to a Yeasu FT-818. 25 packet modulation that works with digipeaters and nodes; the latter provides ground-breaking speed but is more limited in capabilities to be extended by other stations. Hardware SCS modems running PACTOR 2, 3 and 4 were evaluated as were sound card modes WINMOR, ARDOP and VARA across a variety of channel models and across a range of signal to noise conditions for HF. Wide mode requires more audio bandwidth and must use the “9600” Setting up a VARA FM station Page 4 If everything is OK, a VARA FM icon should appear in the desktop Toolbars automatically each time you open the Winlink Express program. The checkerboard reveals the data falling into specific data "bins" with the the highest speed 256QAM representing a 16x16 cell. Same registration code works for VARA HF and VARA FM. 90 for 20M and 7054. Jose EA5HVK. SL4 – 88bps – can be decoded at -14dB. zip 5/4/2024 1:03 PM 6016158 VARA FM v4. José Alberto Nieto Ros Says: Voice announcements. VARA FM requires windows on an X86 system which really limits its use. Flex CAT was a little picky about creating a PTT virtual port, but a quick re-start fixed that and it worked like a charm. Enable the TNC, and fill in the other information for the site, choose your speed, 1200/9600 (which in Vara are now Narrow/Wide). 25 packet. The system is capable of digipeating both VARA-FM and Packet signals. OFDM is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method using a large number of closely-spaced orthogonal sub-carriers to I am a register user of VARA, I run a RMS Packet gateway and I have connected to my gateway with multiple different radios and they are all providing 566 bps on the connection speed. It looks like the issue is at the NP4JN-12 side. For HF APRS use, even the free unregistered version will work. Note: Pin 1200 is limited to 3Hkz audio bandwidth. Download the VARA FM v4. Select Vara Winlink or Vara FM Winlink from the Open Session: menu in Winlink Express and follow the instructions in install it. 1, TNC command port 8300, data port 8301, and the location of your VARA FM modem software should be specified. VARA is a High Performance software modem based on OFDM modulation. Try the ping test against a couple of local sites and see how they respond. 1 VARA is a a half‐duplex ARQ system designed to have maximum efficiency over HF channels, fully compatible with all HF path conditions. It does not have VOX, or an internal sound card. It is at best only twice the speed of VARA “narrow” (3 kHz). io > wrote: 2. Narrow mode can be used with limited bandwidth radio connections like speaker and microphone, or the “1200” pins on the data connector. io] On Behalf Of Scott Currie Sent: Wednesday, December 9, 2020 4:17 PM To: VARA-MODEM@groups. Apr 7, 2023 · RATE was about 17 kilobit/second, not the top speed of VARA FM wide, but a decent speed. Feb 24, 2024 · VARA and VarAC now offers three Speed Levels (SL) for broadcasts: SL1 (18bps): the lowest speed capable of reliable decoding even at -21dB. When I send a file via Vara FM Winlink it usually sends at speed level 11 occasionally dropping to a level 10. On VARA-FM, under Settings/VARA Setup, I changed the FM System to “WIDE” (Setup is also the menu where you put in the license key). 5 and higher are not compatible with VARA FM 1. The key only unlocks the higher speeds. This includes verifying ports & sound devices in dev mgr (Win10), configuring Vara PTT via com (verified correct port) w/PTT pin=RTS, resetting all Baofeng configs with subsequent reset to SQL=0 and TXP(power)=LOW (have also tried HIGH), Digirig playback & recording levels both at 20 Jun 5, 2022 · Figure 7 - HT transmitting high speed VARA FM (narrow)traffic. How Add an exclusion to Windows Security: Go to Start > Settings > Update & Security > Windows Security > Virus & thread protection. VARA HF is a slow version for shortwave, VARA-FM is a high speed version for VHF/UHF. As expected, the additional noise and multi-path result in slower overall speeds for both modems. 4 Khz. Transmit is possible at a full speed. griffiths@ > wrote: The only way you can do Vara is with a sound card modem so the only way a D 74 could do it is plugging into the speaker mic jack kind of a waste for the D74! On Sat, Apr 18, 2020 at 3:23 PM John WA7UAR via groups. It is NARROW at this time until we can get the RIM-Maxtrac 9600 that allows full speed connectivity. (no TNC needed) john KK4SHF So if the PTT is working (set in VARA FM to COM port and a number for the port) then the last step is to set the optimum TRANSMIT audio level. See the attached testing by N5TW. 1 - 5 of 5. A WinLink message server or anything involving the WinLink I have a licensed installation of Vara FM. Connection to a BBS (by N3HYM) VARA FM and UV5X on UHF (by N3MLB) VARA FM with a FT3D (by N3MLB) VARA FM install and initial setup (by AG5DL) Cheap and small VARA interface for EMCOMM (by KH7O) Icom IC208H VARA FM Wide Signalink Black (by KH7O) VARA FM Smallest High Speed adapter Microlink (by KH7O) VARA FM 4. we had connect speeds of about 6000 bps (VARA narrow) to 12,000 bps (VARA wide) using the 9600 baud It will be very nice to have a robust, high speed mode that is open source and cross platform. Note in this case the excellent S/N of +28 dB we are getting very fast data rates. This should launch 2 new windows. The former provides legacy-compatible AX. VARA Modem location C:\VARA FM\VaraFM. Jul 18, 2021 · Subject: Re: [VARA-MODEM] What's the fastest VARA FM speed capable on VHF #newuser. 3 Speed: VARA uses a fast adaptive 11 data levels in order to maximize the Net Data rate according channel conditions. Settings à Vara FM Settings You should now be up and running. I’m using a DigiRig with the 9600 baud cable between my Laptop and my FTM-400XD. Our local ARES organization currently has a VHF Winlink gateway system set up for 1200 baud packet operation. 5dB. 06 and 3. 8 times faster than those on 80 meters. Open a Vara FM session and select Settings. Some commitment needed…. 5 center frequency, 14. k3eui barry. Locate the VARA FM setup file and right-click on the file and click Run as administrator. Anyone using Winlink VARA FM with this radio? (high speed packet) Are you using USB direct to a adapter board between PC and radio? Thanks for any input. 3. Now concerning setting of the DRA50 levels - you should be a using a radio set to (9600) like my FT7900, the audio will be taken right from the receiver "Discriminator" and will be a constant level - use pin 4 on the "mini-Din6 The Winlink Team. vara hf is a soundcard modem that can be found on the hf bands exchanging traffic winlink vara implements an high speed data mode and comes in 2 separate programs vara fm and vara hf vara is a high performance hf modem based on ofdm modulation vara modem brings state of the art military grade technology to new and existing hf data introduces a new standard of technology available for amateur Open Vara FM Session. VARA FM and AX. Jul 8, 2023 · While that is less than one third of the VARA FM potential, a 2730 isn’t designed to support 9600/WIDE. The differences will amaze you. And here is the RF spectrum of this transmission, captured by an SDRplay (duo) hardware and RSP Spectrum (Andrews) software. io Asunto: Re: [VARA-MODEM] IC_9700 Setup for VARA FM over USB Jan 15, 2023 · By the way you need a high SNR (Signal to Noise Ratio) to hit higher speeds with Vara FM. 25 and AX. Hit Update. 3 MB / Added: 2020-12-24. Check the host and port settings. It does support limited CI-V, but that is of no use on Vara FM. There is a dropdown to the top right-hand side of the screen next to “Open Session:”, you can select “Vara FM Winlink” from here and click on “Open Session:”. Sep 16, 2022 · The connecting side ONLY (the one who initiated the connection) must have a license to unlock the speed. 25 Dec 16, 2022 · Setup steps for configuring VaraFM on Windows using Digirig and Baofeng UV-5R. Select an FM Speed Mode: 1200 for VHF. In an ongoing testing effort to get the highest speeds from VARA-FM, I have been examining the characteristics of the "9600 baud" 6-pin mini-din input on my Icom-7100. 4. The Winlink Team has planned a careful network cutover to this new version on June 30, 2020, because it does not offer backwards compatibility with earlier versions. So VARA FM and VARA Terminal. The highest baud rate selectable is 19200, some of the newer ICOM radios use this higher speed to enable the remote waterfalls and other features. 5 July 2020 -- A revision of a study evaluating Winlink digital modes using the new IONOS HF Path Simulator was published today. 9. I use packet - winlink express with the USB cable, no problem. Dec 11, 2020 · A key detail is the radio's menu 079 FM PKT MODE to '9600'. VARA FM is an alternative to Packet and Pactor. The information pertinent to using the FT-991A for VARA FM WIDE is actually in the link "Configuring the FT 991A for 9600 bps FM packet". Miguel, EC5W De: VARA-MODEM@groups. 7 setup. With this is there any way to configure Vara_FM server side to allow the delay . org - /VARA Products/ [To Parent Directory] 4/19/2024 7:22 PM 757313 VARA Chat v1. by K0PIR · Published April 5, 2020 · Updated March 8, 2021. Nov 13, 2020 · I not have luck running packet 9600bds with ICOM9700, its possible you also no get full speed with VARA FM. If the repeater has a smart controller that supports user macros, have the owner/operator create a Vara macro that changes the system, disabling the items listed above. Feb 3, 2024 · VARA now offers three Speed Levels (SL) for broadcasts: SL1 – 18bps – the lowest speed capable of reliable decoding even at -21dB. He only limits speed and sends the nag screen for stations originating a contact. e, 14063. My first experiment has been to try the Bessel zero Dec 11, 2021 · Nope narrow will hit 11,000 once in awhile, but not full speed wide. 2. Free for the lowest speed; a Lifetime license is available for access to higher speeds. Our DRA-65, '70, '80, 100, and SR Series additionally have VOX. After various connects with kb3pcy-10 Winlink Gateway (about 6 miles) on a 2m FM link on 145. Go to the Vara FM Settings. Yesterday my friend and neighbor NQ8M and I managed to get our first Vara FM P2P Winlink session completed. I am up and running with Winlink and VARA HF using your config shown here. SL2 – 41bps – can be decoded at -18dB. The soundcard interface is a RIM-Maxtrac. 4. I have a video below showing a demo of it checking e-mail. 1 setup. 25 Packet. The new VARA FM 4. exe (or the path you chose during VARA FM install, if different from default). Sep 3, 2020 · The Signalink has a bandwidth of 2. It's often used with WinLink to send email. Heber--Vara FM will stay at level one during a connection checking for mail unless there are messages to transfer. Free version of VARA HF only allows tranfers up to ~180 bps, where as the paid version (70 USD) can allow transfers up to a max theoretical speed of ~8490 bps . Downloads: 19710 / Size: 29. Subject: [VARA-MODEM] VARA registration, HF, FM, Gateway. You should see your callsign and inbox. Fully integrated with the established RMS Express E-Mail handling system Gate-way & Client requirements. Â. Sep 3, 2017 · The license is valid for both VARA HF and FM. I am awaiting the license key – looking forward to getting VARA setup for Winlink. 1 Apr 5, 2020 · VARA HF Incredible Speed. Jul 28, 2022 · I understand how VARA FM/HF work, but some of us use the CAT functionality to control the PTT function of the radio, that is built in to VARA FM. 7 KHz and cannot pass the full VARA-FM-Wide 8 KHz signal, so the speed is limited. Nov 21, 2018 · VARA Modem location C:\VARA FM\VaraFM. (W7FLO-9 144. Transmission speed around 600 bps. William Mothena Says: 3 June, 2020 at 02:40. In the main Vara HF Peer-to-Peer Session window, select: Settings>Vara TNC Setup and for Session Bandwidth, select 500 and click Update. We have a Vara FM RMS located on Glenada. I can connect with a nearby station in Wide mode and everything seems to be working OK. Figure 8 - HT receiving a VARA FM signal at very high speed. winlink. zip Mar 20, 2020 · Then open Settings, VARA tnc setup. Similar steps are for other HTs and mobile transceivers without the the suppor May 28, 2021 · On the TM-D710G, I verified that my radio was setup for B-side external data (Menu 918), which is the right-hand side of the display. Pin 9600 is limited to 6kHz audio bandwidth. The only trick here is to make sure you start Soundmodem before RMS Packet (Vara FM will be started automatically Oct 20, 2019 · VARA uses a bandwidth of 2400 Hz. 970) and our W7FLO Trimode RMS scans Pactor, Vara HF, and Ardop on 14. V A R A F M W i n l i n k S e t t i n g s Click on Settings Click on Radio Setup You will see this screen: Set Select Radio Model Manual . io Asunto: Re: [VARA-MODEM] IC_9700 Setup for VARA FM over USB Feb 6, 2021 · Sent: Saturday, February 6, 2021 3:05 PM. x By Oliver K6OLI Last Update v2021-11-09 Special thanks go to Scott KI6SC, Martin HB9AUR, Keith KD6PYD, Brian KM6IGY, Jeff W2JCL, Tom KN6BKT, Mike KM6KAQ, Jim KM6TGJ (SK), Ken KI7EIH and Scott NS7C for your testing, for your suggestions, insights and encouragement. io [mailto:VARA-MODEM@groups. The receive VU meter was set to about -12 dB manually. The previously available SL5 level has been deprecated in this version due to inefficiency for our needs. If you know of a more efficient setup or have any suggestions, please share your insights. Nov 17, 2021 · The issue is the VOX start-up and engage into TX is not quick enough for the vara_FM repeater . When I receive via Vara FM Winlink that same file is sent to KO4IFY@ from one of my PCs it never receives above Level 1 (556kb). Click Update . My question is that the Audio Input meter in the Vara-FM Modem screen is moving around -9 dB, 75 to 80 Select VARA Setup Make sure the following is set TCP Ports: Command 8300 Registration Key: (here is where you enter your registration key if you have one) FM System 1200 Retries: 2 TX Delay (ms): 500 2 Click Close V A R A F M S o u n d C a rd S e t u p Click on Settings Select SoundCard Jan 2, 2011 · Thank you. I tried a connection with the IC-2730 and our Digipeater with VARA FM. VARA HF 4. 9. Mar 23, 2024 · IC-705 Vara FM Setup March 23, 2024 IC-705 Vara FM Setup. NOTE: VARA FM works perfectly fine without a license key. VARA FM WIDE works with radios that allow access to the discriminator and an RA-board, rig built-in soundcard or homebrew USB soundcard interface. Dec 24, 2020 · FM Super Speed 2021. The recei extremely high speed VARA FM. In the video above, the VaraFM Wide was tested with the Masters Comms DRA-50, Kenwood TM-D700E and a 1/4w dual band GP at 12m/40ft. Basic VARA FM will be more than twice as fast as Packet. Faster than WINMOR, Pactor 2, and ARDOP. To: VARA-MODEM@groups. VARA FM NARROW uses the microphone path and is compatible with the greatest number of radios. The horizontal axis is time. I then changed to 9600 bps data speed (Menu 919). On Apr 18, 2020, at 2:25 PM, Tyler Griffiths < tyler. The levels for the two are in the help section of the two Vara programs. 0 or lower. Works on all versions of Football Manager, tested from version 2018 to 2021. Jul 17, 2022 · The Kenwood TM-D700 can use either the Masters Communications DRA-50 audio interface or the DigiRig Mobile revision 1. Speed up your FM21 game up to 500x with this tool. The Vara Terminal application uses either TNC to connect to a remote BBS to give keyboard terminal access. (Offsite Link) (Offsite Link) UZ7HO SoundModem and HS (high-speed) SoundModem are Windows digital packet programs that work with the DRA Series radio adapters. The radios hear each other and Vara FM Speed Scott Currie #786 . 5. 2/06/21 #1185. I use the same gateway in both of the above situations Vara 4 will be available to use on June 30, 2020. 00 kHz for 40M. I hope future versions of Vara FM for wide will let you set the initial QAM connection speed. The top speed we use with FLDIGI (8PSK1000F) on 2m FM is about 3000 bit/second. NOTE: VARA FM 3. Work on that part is proceeding. I have Vara FM Modem set for WIDE. First a Winlink Session window. Check the box that says Accept 500 Hz Connections and click Close. Feb 11, 2023 · The “older” Signalinks might not do VARA “WIDE” since this modulation needs about 6 kHz of audio bandwidth. Yes, if you can't get it lowered with the Windows Record level, then you need to open the DRA and turn the pot down (the big one). 0 dial frequency. On Sat, Dec 11, 2021 at 6:27 PM Bob N0AOT < rjcarlson@ > wrote: Does anyone know if the ICOM-705 built in sound card works well on VARA FM WIDE at full speed? de Bob, N0AOT. The creator of VARA is EA5HVK. • VARA HF and VARA FM software displays the signal constellation of the current modulation mode the distant-end transmitter is using to send the data to your receiver. The SignaLink USB must be the newer unit with the black colored surface mount (SMT) transformers in order to take advantage of the fastest speeds offered by the VARA WIDE mode. It seems as if this isn't troubled by the same receive filter of the 15khz. I assume the major issue is Multipath Propagation Interference, as I get nice tight dots with the 4PSK mode speed levels, but as soon as it starts using QAM modes they become quite scattered with a heavy emphasis on linearity towards the diagonals. 104. I am using an Icom 7300, with the filters set up for a wide band, as suggested. Vara offers an optional $69 license for the use of faster speeds and FM digipeating. Tom N5TW. Vara FM has two speed modes that are selectable within Winlink Express. Signalinks can support the full speed of VARA FM WIDE, if wired for 9600. If Vara FM is not found on the computer in the default location, you will be given a link to the download page for Vara FM. Once again, Vara shines under the best conditions while Pactor-III tends to do better with under worse conditions. Vara FM is a sound card mode, you need to use an external sound card interface and connect it to the mic and speaker jacks as was noted earlier. Easy way - set the LEVEL to very low (-30dB is lowest) and press the VARA FM TUNE button. If that is not possible, and the delay exceeds 427ms, you will have trouble. Watched this vid and followed it exactly. SL2 (41bps): can be decoded at -18dB. If I manually PTT it is all working fine so all is working ,just the time latency for mobile voxPTT to enable , which is about 500-800 ms. IC-2730 was in FM wide, I switched VARA FM to narrow, the drive level was set to -16dB, the S/NR was only +2. Although there is only one input pin, the treatment of the incoming signal can be switched to wideband via a menu setting. · Level 1 NARROW mode has improved weak signal capability by selecting downloads. We recommend upgrading to VARA FM 3. 8 is here with slot slider, QSO distance, canned messages shortcuts, VARA-FM digipeater support and much (much!) more VarAC V8. Note: Pin 1200 is limited to 3kHz audio bandwidth. 6. 0 It uses a Minix mini-computer with a Motorola GM300 as its radio. Secondly, it also will launch the Vara FM Apr 11, 2021 · highest speed VARA FM WIDE achieved on simplex. 2 Bandwidth: VARA is designed for operation within a SSB bandwith of 2. Those results are compared to FX. io. FAST. 08 of VaraFM to be over 100,000 BYTES/MINUTE. 1200 is not the speed, but it can be connected to either the 1200 baud or 9600 baud port of your radio. 0 just released is faster than ever and adds digi-peating to the mix. Rodrigo's (PY2RAF) analysis of the FT-991A transmit audio chain shows why the built-in USB sound card hardware doesn't have the audio bandwidth to I assume it is related to multipath propagation interference as I can easily have sustained VARA FM Wide Speed Levels of 11 and 12 while transmitting, but on receive for each initial transmit is seems to start at speed level 12 and drops the speed level to 7 before data is exchanged on receive. 6. These correspond to the1200 and 9600 options on the radio. Feb 6, 2021 · Re: VARA registration, HF, FM, Gateway. Close the Vara Session Window. We will assume you already have Winlink I just uploaded a document Quick Setup Guide for VARA FM 4. VARA FM not sending Mel - N7GCO - Cheney, WA #353 . pj kk kz mt fi lj jn ix yt pc