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After a few false starts, I got this setup working following instructions here: https://www.delcoares.org/blog/2023/03/setup-and-using-winlink-express-with-vara-fm-modem-on-icom-4100-go-kit-connected-with-digirig Make sure you read the part about PTT settings. I missed that part initially and couldn't get the ID-4100 to key with PTT set to VOX. Now I'm looking to optimize my throughput but I'm not quite sure how to do that. Below are some excerpts from my VARA log (both HF and FM - the HF part was for RX comparison): ============================================== 2025-03-20 16:38:52 Connecting to KG4MPU-10... 1/10 2025-03-20 16:38:54 Connected to KG4MPU-10 2025-03-20 16:39:23 KG4MPU-10 disconnected TX: 97 Bytes (Max: 566 bps) RX: 2764 Bytes (Max: 7087 bps) Session Time: 00:29 ============================================== 2025-03-21 09:34:39 Connecting to KG4MPU-10... 1/10 2025-03-21 09:34:42 Connected to KG4MPU-10 2025-03-21 09:35:44 KG4MPU-10 disconnected TX: 2858 Bytes (Max: 566 bps) RX: 120 Bytes (Max: 566 bps) ============================================== 2025-03-21 09:29:35 Connecting to K4HVF... 1/15 2025-03-21 09:29:46 Connected to K4HVF VARA HF v4.8.9 2025-03-21 09:32:42 K4HVF Average S/N: 1.3 dB 2025-03-21 09:32:42 Disconnected TX: 93 Bytes (Max: 41 bps) RX: 3068 Bytes (Max: 922 bps) Session Time: 02:56 Is it normal that VARA FM doesn't record S/N? We are literally across the street from each other so I am not sure if part of it is that we're saturating the other's front end or not. I do have at least one entry in the VARAHF log where HF Rx is 2682 bps. While that file doesn't record frequency, it does record S/N and 2682 bps was with an 8.2 dB S/N. So band conditions have to be just right to get 1/3 the throughput on HF that I get on VHF. It was probably also a SHARES HF frequency where there's just not a lot of noise. Is there anything I can do to optimize my VARA FM setup so I get a better throughput on my end? Regards, Joel, W4JBB

Hi, I was wondering about the status of Vara for Linux usage. Is it available for Linux at this time, and if so, can you direct me to install instructions? Thanks for your time, Neil N4NAC Sent with Proton Mail secure email.

Hello, since about Wednesday I seem to be unable to connect to any winlink RMS using VARA HF. I can hear the initial "CQ" packet (connection request or whatever it is), swift response from the RMS, then a longer FSK packet sent from my VARA, then some relatively short response from RMS and starting from that moment I can see and hear only my station repeating REQ (it flashes in VARA panel when it is being transmitted) and after about 5 retries the connection fails on timeout. Is it possible to see in some debug mode what do actually the two stations talk about during the initial phase? Not knowing what is going on is frustrating. I have tried a number of RMS on 40 and 80 meters, both in the afternoon and in the evening. Their signal is strong without QSB and in the headphones it sounds "normal". Thank you, Jindra

I have successfully (and consistently) been able to send Winlink messages via VARA HF now that my DX10 and new antenna are in place. But, once the message is sent, WinLink turns around and tries to receive a message but returns the aforementioned error. Ideas? Bill KJ7BIH Redmond ARES Extra/VE

Can anyone orient me to what I am actually looking at regarding the constellation diagram? I am wondering what it means when I have dots lining up along the 12 and 6 o'clock positions, versus when I have dots accumulating diagonal to each other within the screen. Thanks for your time and 73, Neil N4NAC Sent with Proton Mail secure email.

A few days ago, I was unable to send messages from WNLK and VarAC. While diagnosing the issue, I configured the output to be USB instead of USB-D. I turned on the monitor and determined that no audio was being sent to my radio. I can run other digital software without using the VARA modem without any issues. Do you have any recommendations? ? -- Clayton KE7NGO

What commands are available that I can send to a VARA port I see BWXXXX is accepted but that about a freq change or anything else or does that need to be done outside of the vara connection While I am scanning through BPQ Rigcontol that is fine but I need to be able to do a forwarding and choose the frequency based on the time of day when I know propagation would be better on a know set of frequencies

I have a ic-7300 and would like to be able to send a tune command to the radio after a freq change I can do it on BPQ in the forwarding script but I dont see a way to do it using winlink Express and VARA. Thanks in advance

The Alinco DR-135 series are good radios for VARA RF Wide as it they have an analog unfiltered interface. I have a number of these. I was just made aware of a potential problem with the Mark 3 versions. Spurs on keyup (see attached article). I was able to duplicate the problem on two Mark 3 radios but I did not see the problem on two Mark 2 version radios, There is a potential fix that involves removing two components. I will try the fix when I have time.

Shortly, I will start doing a series of screen caps every half-hour of my 30 and 40 meters APRS-over-VARA maps. I will assemble these into an MP4 animated map showing propagation changes on these two bands over a 24-hour period. (And to show how 30M and 40m complement each other for continuous HF APRS day/night coverage in North America.) In turn these animations will become part of a presentation on VARA and APRS-over-VARA that I will be presenting in May at an APRS Zoom conference, and a week later in a presentation at the Dayton Hamvention. My plan is to do these captures over a two-day period spanning the equinox (20-21 March). If you want to be featured on these maps, as a demo of the DX potential of 30-meters and 40-meters APRS-over-VARA, get on APRS-over-VARA on 7.083.5 MHz USB or 10.148.2 MHzUSB during this time span. Anyone else in Europe, or on boats in the Atlantic or Caribbean, is also welcome to join in. Stephen H. Smith wa8lmf (at) aol.com Skype: WA8LMF EchoLink: Node # 14400 [Think bottom of the 2-meter band] Home Page: http://wa8lmf.net 30 Meter APRS-over VARA Frequency Details Here: <http://WA8LMF.net/VARA/NewFrequency.htm> - APRS over VARA -- <http://wa8lmf.net/VARA/APRSoverVARA> "Studio B" Ham Shack on Wheels <http://WA8LMF.net/Aliner> -

@Steven, @Don, Thanks for your replies re. Vara FM over Bluetooth KISS TNC. I continue to build an audio interface (600 Ohm transformers, optocoupler for PTT), so I should be able to proceed with the Vara anyway, This message has a second point of interest for me. You mentioned 2 models of the same handheld radio. Just today I returned mine (VR-N76) to the seller. Reason: the radio did not "pair" over Bluetooth with my iPhone. It did pair with Android phones, but refused to work with my Apple phone. We checked my phone with other Bluetooth devices, we checked 3 boxes of N76, the results are straightforward: this radio model does not work with this telephone. Visible symptom: in iPhone Settings => Bluetooth the radio is randomly either ignored completely, or found with proper name and then not paired. Does any of you use the iPhone and can verify my findings? The radio manufacturer states somewhere in a very fine print, that due to closed architecture of iPhone some features may be available on Android only. The problem is, that without paired Bluetooth connection no features are available (:-(). Cheers, Marek SP5ISZ

There are two radio shacks at my home. Mine upstairs connects to the east side antennas. My spouse’s shack connects to west side antennas. My Yaesu 857 connects to HF and Fm Winlink with no problem both Digipeater and local gateway. . The Yaesu 857 downstairs connects HF and can digipeat to my 857 upstairs but it can not do straight Connection to our local gateway. I turned off my 857 upstairs but the downstairs 857 still can not direct connect to our local gateway. It does respond to local repeaters so the antenna is connected properly. The 857 uses pkt to obtain access to Winlink 2 meter. Out of ideas. Any suggestions. Oh I use Digirig.

After a freakish warmup here in central Michigan to 50 F / 10C for the last two days (it was -2 F / -19 C Sunday night), the snow and ice melted allowing me to get outside and do some antenna work. I have been using a 105' / 32 meter G5RV dipole in a sloper configuration for my 40-meters APRS-over-VARA monitoring and beaconing. As of 16:30 US Eastern (2100 UTC) 28 Feb 2025, I have now replaced this with a mini-dipole made from two 40M Hamstick-type mobile whips mouinted in an MFJ bracket. This antenna is only about 12 feet / 3.6 meters above the ground to favor daytime NVIS on 40M. Looking for reception reports when night-fall reaches North America and 40 meters lengthens out. See what I'm hearing on 30M and 40M APRS-over-VARA here on my APRS mapping webservers: <http://WA8LMF.net/map> Stephen H. Smith wa8lmf (at) aol.com Skype: WA8LMF EchoLink: Node # 14400 [Think bottom of the 2-meter band] Home Page: http://wa8lmf.net 30 Meter APRS-over VARA Frequency Details Here: <http://WA8LMF.net/VARA/NewFrequency.htm> - APRS over VARA -- <http://wa8lmf.net/VARA/APRSoverVARA> "Studio B" Ham Shack on Wheels <http://WA8LMF.net/Aliner> -

Hello, Is anyone using Winlink RMS Packet gateway with VARA FM and Soundmodem? I have tried various recommended settings and have not had success. Winlink with the VARA FM option work greats but the packet option with Soundmodem does not work. I have tried using a Digirig mobile or Rigblaster Nomic sound card setup. The Window Device Manager shows the com port and the VARA FM and Soundmodem software settings requires a com port for the PTT control, but both can't use the same com port. Perhaps I am not using the correct settings. Here is one recommendation, and I have tried others. https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://www.winlink.org/sites/default/files/RMSE_FORMS/rms_packet_dual_mode_single_radio_setup_0.pdf&ved=2ahUKEwiGgMbgm9WLAxWDJzQIHbQ3KCwQFnoECBYQAQ&usg=AOvVaw2A3yoFmfg1ImSqbwMloj42 Thank you George VY1GP

I have an Yaesu FTM-500 that I am trying to get working with a Digirig. I have the 10 pin cable assembly that connect the two units together. I apparently have the receive working as the VARA FM v4.32 modem display shows the typical VU level for receive and goes to zero when I disconnect the cable. PTT appears to be working when keyed. My problem is that I do not get any modulated signal being transmitted when the transmitter is keyed. I only transmit noise. I have tried various combinations of Data Settings in the Yaesu menu without finding the correct combination. I have the latest firmware update installed on FTM-500. Thank for any assistance you may be able to supply. 73, Larry KE7AU -- Larry Driskill KE7AU

Hello All, Well, I feel kind of foolish posting this, but I got my Winlink/VARA-FM/AIOC/Baofeng combo working, and it was partly due to my ignorance and an unexpected hardware issue. My hardware setup worked to access a local BBS using Outpost and Direwolf, so I was pretty sure that aspect was good, but I could not get Winlink (RMS Express) to send or receive messages. My system would seemingly connect, but then after about 15 seconds, disconnect without doing any message actions. I had been using "Vara FM Radio-only" as the session selection. I had tried "Vara FM Winlink" but could not even get an initial connection, so I thought that wasn't the correct protocol. Subsequently, I discovered that the battery in my Baofeng was basically down to the point where it was not responding to the PTT from the AIOC, so I charged it back up, tried "Vara FM Radio-0nly", but still no joy. I then though I'd try the "Vara FM Winlink" again, since I figured it could have failed because of the PTT issue and - success! I made a good connection, sent and received a couple of messages, and also tried with my Anytone 878 radio. So, that has been my experience, perhaps it may help if someone else is scratching their heads about connection issues. 73, Dave, KJ7WT