Keyboard Shortcuts
Likes
- VARA-MODEM
- Messages
Search
Re: Optimizing VARA FM and an ID-4100 with a Digirig
Living in a valley within a larger valley, I've found, depending on the distance or obstacles between you and the gateway, you may need a different configuration of your sound settings for each of your gateways. ?I also operate two gateways a very close distance from my QTH and have very different settings when optimizing VARA FM for them from my shack. ??
? For my personal gateways, since they are about 300 feet away, I have my main dual bander on an antenna switch and going between my outside antenna, and a dummy load.? I use the dummy load to access my personal very nearby gateways. ?For all the other gateways, I use the outdoor antenna.? ?For all gateways I regularly access, have a log of my sound settings for each remote gateway.? I reference this list to adjust the sound levels prior to using that gateway.? To get the levels, I use VARA FM's Ping features SNR value. I will adjust my output levels to maximize the SNR of the particular gateway I am using, and use my microphone levels to maximize my receiver's SNR.? I keep this list of settings associated to the individual gateway next to my radio so I can reference it when I switch to a different gateway. ? For the remote gateways for which I'm the sysop, I use this technique to keep them optimized to work the best with the primary EOC that it is designated to serve following the sound levels adjustment I just discussed. ? Adjusting levels per gateway can be a bother, but I run a Winlink Net and usually download over 100 messages for it, so I prefer to be at the optimum for my chosen gateway. ?Doing this, I find I often find that with line of site gateways, I can periodically get VARA FM's speed level 13 (25210 bps) running on low or medium power settings.? ?
Brian? - W7OWO |
Optimizing VARA FM and an ID-4100 with a Digirig
After a few false starts, I got this setup working following instructions here:
?
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
|
Re: Vara FM and Alinco DR-B185
On Thu, Mar 6, 2025 at 07:47 AM, SMILEY kz4zk wrote:
I connected to it one time with no issues but haven't been able to connect with it or any others? since. Smiley;
?
Something has changed since your first attempt.?
?
Possibly a Windows update has "stepped" on your sound control-panel settings. Make sure you have "Enhancements" ?unchecked/disabled, on the "Playback" tab of your transmit sound device, on the Windows sound control-panel, and look for any other sound settings that mey have changed since you had the system working before.
?
Check again, with a monitor radio, that you're transmitting audio bursts at increasing levels through to the ?end of the VARA FM "Auto Tune" sequence. On the VARA FM window, confirm that the needle on the 'VU' meter is between the 12:00 and 1:00 position when you're receiving noise, with the squelch open. This receive signal level is affected by both the "Recording" level on your Windows sound control-panel and the volume setting on the radio.?
?
Since your DR-185 doesn't provide the wide audio bandwidth and flat audio-frequency response necessary for effective VARA FM WIDE linke, we see more reliable operation if you set the VARA FM modem to always operate in NARROW mode. You'll still be able make solid connections with gateway stations that are configured to operate in WIDE mode... they'll automatically to NARROW mode during the negotiation phase at the beginning of the data communications session.
?
Mark - AD7EF? |
Re: Linux installation
Looks like Vara HF can be installed from the Pi Apps menu once Pi Apps is installed. Seems to install a bunch of dependencies along with Vara HF... but Winetricks seems to need frequent updating. Well, I'll let you know if I make any progress (with running VarAC on my Clockwork Uconsole being my ultimate goal). I have to travel this weekend, so there might be a in my responses. 73 Neil
Sent with secure email.
On Friday, March 14th, 2025 at 2:36 PM, WA8LMF via groups.io <wa8lmf3@...> wrote:
|
Re: Linux installation
¿ªÔÆÌåÓýOn 3/14/2025 3:28 PM, Ne110 via
groups.io wrote:
? Yes it is possible.? Several people on this list have done it.?
The issues are pretty much the same as with any other Linux
platform -- trying to get an application deeply rooted into the
Windows environment to run on Linux.
Stephen H. Smith??? wa8lmf (at) aol.com Skype:??????? WA8LMF EchoLink:? Node #? 14400? [Think bottom of the 2-meter band] Home Page:????????? 30 Meter?? APRS-over VARA? Frequency?? Details Here: ???? - APRS over VARA? -- ?? "Studio B" Ham Shack on Wheels ?? - ?
|
Re: Linux installation
Thats... pretty complicated. But thanks so much for the detailed information. What do you think about the prospect of running Vara on an R Pi then? Even more of a long and difficult road? Is there a quick way to uninstall all the wine stuff I already have on my device? 73, Neil
Sent with secure email.
On Friday, March 14th, 2025 at 1:43 AM, ok4rm via groups.io <radio.miskovice@...> wrote:
|
Re: VARA HF not connecting in excellent conditions
There was a solar storm I believe on Wednesday but that wouldn't affect VARA and not ARDOP.
?
Jindra did you check the Winlink Express log files for any issues?
?
I would also look at your sound levels to make sure are ok for use with VARA.
?
73
John Denison
KD5YOU |
Re: Linux installation
Hi, Neil,
?
I struggled with VARA on Linux and in the end it kind of works.?I have Debian 12.9 installed on a Chromebook and the same system on some older notebooks and it works everywhere. It should be more or less the same on Ubuntu, I believe.
?
First thing, after many unsuccessful attempts to run VARA, I uninstalled everything wine. The version distributed with Debian is just way too old. Next, I went to winehq.org and set up additional repo to Debian following their instructions.??
?
Next I installed wine as the winehq package. I believe it is version 10.3.?
?
Then you have to add i386 (32-bit) architecture.?
> dpkg --add-architecture i386
It will add a bunch of libraries. This is necessary because VARA.exe is a 32-bit, not a 64-bit application. It should also add wine32 package automatically. If not, check at winehq how to do that.
?
Next I ran?
> winetricks vb6run
?
This adds VB6 runtime libraries because VARA is, believe it or not, written in **Visual Basic** (OMG!)
?
You are almost there. Then you have to create a wine prefix containing 32-bit Windows system. There are some good hints here:
?
The last thing is to install VARA, for instance copy VARASetup.exe into disk_c in the 32-bit Wine prefix and run something like
WINEARCH=win32 WINEPREFIX=<path-to-your-win32-prefix> VARASetup.exe
?
I have to start VARA with both WINEARCH and WINEPREFIX set, maybe if you follow the instructions from the answer at askubuntu (delete ~.wine and recreate it as 32-bit prefix) you could do away with only the WINEARCH variable.
?
73 Jindra
P.S. two observations 1. starting from this week I cannot connect to any VARA RMS... Not sure what's the reason, it seems VARA is pretty quirky 2. I wanted to install VARA on a chromebook that I bought second-hand, with 16 GB eMMC disk because it can last up to 10-12 hours without charging - ideal for emcomm and other outdoor activities. Due to the necessity of installing wine32 I had to buy another chromebook (which lasts only up to 6 hours) but with 32 GB eMMC, because the minimal installation with wine32 takes about 17-18 GB (the system, hamlib, JS8Call, wine, wine32, vara, pat).? |
Re: VARA HF not connecting in excellent conditions
P.S. tested with OE3XEC, OE5XIR, DB0BES, SR3WLK, HB9AT on both 80m and 40m. The RMS is heard clearly and most of them respond immediately to the first buzz. Connection cannot be established, though. I also tried OE6XPR which uses the same frequency as DB0BES, 3600 KHz (maybe I am wrong, did not take notes, but I tried different RMS callsigns of RMS's sitting on 3600, there are about three or four in Central Europe).?? Interestingly, after unsuccessful attempt in VARA I switched to ARDOP and immediately completed a session with the same RMS that previously failed. |
VARA HF not connecting in excellent conditions
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 |
Error: "received data stream not correct format"
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 |
Re: Constellation Diagram?
That's incredible! Thanks for that information. N4NAC Neil?
Sent with secure email.
On Tuesday, March 11th, 2025 at 10:31 AM, WA8LMF via groups.io <wa8lmf3@...> wrote:
|
Re: TYT TH-9000D Plus Caution
Nice radio, new price is $350, but it may already be obsolete.? HRO, GigaParts, and DX eng. all show as not available.? Some used on eBay for $300.? I read that although this radio has 1000 memory channels, it does not provide channel grouping, like on my Icoms.?? We are looking for a lower cost solution for dedicated Winlink go kits. Our state EOC now wants all ARES and AUXCOMM communication to them via Winlink.? The TYT was $126 on Amazon when I bought them last month.? I have managed to buy several DR-135 MkII used (abused?) for under $100.? They do work well.? I may get into old Motorola programming and try finding surplus Motorola Maxtrac series radios. ??? On Mon, Mar 10, 2025 at 10:54?PM Kevin Custer via <kuggie=[email protected]> wrote:
|
Re: Constellation Diagram?
¿ªÔÆÌåÓýOn 3/11/2025 10:57 AM, Ne110 via
groups.io wrote:
? it only shows the incoming (receive) signal.??? The beacons and initial connections will always be at the
slowest/simplest modulation mode. Then based on experience and
amount of errors encountered,? VARA will gradually increase signal
complexity and speed on the following data blocks. This will cause
more complex constellation patterns with more phases and
amplitudes to start appearing.?
Stephen H. Smith??? wa8lmf (at) aol.com Skype:??????? WA8LMF EchoLink:? Node #? 14400? [Think bottom of the 2-meter band] Home Page:????????? 30 Meter?? APRS-over VARA? Frequency?? Details Here: ???? - APRS over VARA? -- ?? "Studio B" Ham Shack on Wheels ?? - ?
|
Re: Constellation Diagram?
From a local perspective, is the activity in the diagram at a given time depicting outgoing traffic, incoming, or a combination of both?
Sent with secure email.
On Monday, March 10th, 2025 at 7:15 PM, Bob W0EG via groups.io <morrisnc7@...> wrote:
|
Re: Linux installation
I am using an R Pi 4. Is that a no go then on VarAC? Thanks
Sent with secure email.
On Tuesday, March 11th, 2025 at 2:51 AM, dc2jr via groups.io <k.j.raske@...> wrote:
|
Re: Linux installation
¿ªÔÆÌåÓýHiThis manual from km4ack Runs well but only on mint 21.x Von meinem iPhone gesendet Am 11.03.2025 um 04:01 schrieb Jeff KP3FT via groups.io <kp3ft@...>:
|
Re: Linux installation
¿ªÔÆÌåÓýHi, if running 73linux install vara with it vara will then run fine. in this state varac won?t work. 1. install vara with 73linux 2. for mint 21.x use then the commands on 3. for mint 22.x the solution for mint 21.x doesn?t work here use the following commands after runnning point 1 : uninstall wine with the updateer sudo dpkg --add-architecture i386 4. after this install varac and it should run vy 73 de Klaus dc2jr Am 11.03.25 um 06:29 schrieb Jeff KP3FT
via groups.io:
|