Direwolf <> Symek Tnc3s

144.800Mhz @ 1200Baud (Two tests one on 03-23 and one on 03-24 (rx only))

The first test I did was of course not entirely fair, different antennas were used and different transmitters/receivers. Now I made a setup with the same antenna and the same receiver, so with the same audio input.
First the setup, as a computer(if I haven’t lost it.some where) I use a Raspberry PI 2B+, as a sound card I use an Fe-Pi Audio Z V2. As a receiver I use a Realistic pro 2006. It is an old receiver but still works 100%. The antenna is a x50 from Diamond. Of course the Tnc3s from Symek, and Direwolf from John WB2OSZ. I use Kissutil from WB2OSZ, this allows me to connect to Direwolf and the Tnc3s as well as save the received Frames. This makes comparing easy/easier.

Now I have made two start files, one for Direwolf and one for the Tnc3s. I start these in different terminals. I do this manually, so there is a slight delay in starting up.

I start the scripts with the option “timeout” now I can specify the time how long the script runs.
Example. “timeout -s 9 1800 ./tnc3s.sh”
In this comparison, both scripts run for 30 minutes. 1800 Second. Now it is time for the comparison.

With the command “ls -A | wc -l” the number of files in the directory are counted. (Frames received.)



Here you can see the difference between the received frames of the Tnc3s and Direwolf. There is a difference of 73 and 125 missed frames from the Tnc3s. I tried something with the reception levels of the Tnc3s. It is To soft – Ok – To hard, there is little difference between To soft and Ok and To hard.

I did some tests with the amount of calls received. Just for fun.

NinoTNC arrived.

A while ago I wrote something about the NinoTNC.

The NEW… NinoTNC form TARPN

There are some Dutch Radio amateurs who have ordered them.
Now I came across some pictures of a Dutch Radio Amateur who own and build the NinoTNC.


Direwolf <> Kpc9612

Today I made a comparison between Direwolf and a KPC9612. Now I have to say that it is difficult to compare. As the first set I use a KPC9612 and a Yaesu 7900 with an x30 as antenna and as software PinPoint Aprs Client for Windows. As the second set I use a Realistic pro 2006 scanner with an x50 as antenna and Direwolf. These antennas are at the same height.

Now I am very impressed with Direwolf, it seems that my KPC9612 is completely deaf. I clearly hear the packet signal but there is no decode. Unfortunately I don’t have two the same sets and two the same antennas to make the comparison better. But it is very clear here that Direwolf wins big.

Below you can see the difference between the setups. The Communication monitor is from PinPoint Aprs Client, the rest is from direwolf and some aprs parsing.


Okay, I know the comparison isn’t entirely fair. But for me Direwolf is the big winner.

Pinpoint Windows Aprs Client

I was playing with uiview32, but I was very bothered by the map that comes with uiview32. So I went looking for another Aprs client for windows. I ended up at PinPoint. In PinPoint you can choose from 40 different Map providers. Very nice.

I am satisfied with how it works. It is clear and fast. Only found out if at “Tools> Options” something changes you have to close the program and restart. There is also something disturbing, if you close the program and restart you have lost the received aprs messages. Very annoying.


Ax25-apps, Ax25-tools, Ax25-utils, Libax25

Please use the latest version, this prevents irritation and annoying things that you do not understand.

-rw-r–r– 1 pd9q pd9q 185677 Mar 8 14:25 ax25-apps-0.0.1.tar.gz
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-rw-r–r– 1 pd9q pd9q 515474 Mar 8 14:25 ax25-tools-0.0.10-rc1.tar.gz
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-rw-r–r– 1 pd9q pd9q 254019 Mar 8 14:25 ax25-tools-0.0.8.tar.gz

-rw-r–r– 1 pd9q pd9q 103151 Mar 8 14:25 ax25-lib-0.0.1.tar.gz
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-rw-r–r– 1 pd9q pd9q 143265 Mar 8 14:25 libax25-0.0.10.tar.gz
-rw-r–r– 1 pd9q pd9q 231325 Mar 8 14:25 libax25-0.0.11.tar.gz
-rw-r–r– 1 pd9q pd9q 361613 Mar 8 14:25 libax25-0.0.12-rc1.tar.gz
-rw-r–r– 1 pd9q pd9q 332178 Mar 8 14:25 libax25-0.0.12-rc2.tar.gz
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-rw-r–r– 1 pd9q pd9q 282655 Mar 8 14:25 ax25-utils-1.3.30.tar.gz
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-rw-r–r– 1 pd9q pd9q 21657 Mar 8 14:25 ax25utils.tar.gz

Uronode 2.11

Brian N1URO, has released Uronode 2.11 (Mar 03, 2020)



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