- App_rpt-users - lists.keekles.org

receive CTCSS and squelch tail removal
by Steve Wright ZL1BHD 28 Jun '17

28 Jun '17

Greetings, What is the proper way to make sure app_rpt removes the squelch tail from incoming audio? Of course, the calling stations' transmitter must be releasing tone before releasing carrier, but I want to make sure I assemble the controller properly. Thanks, Steve

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Reliability / Network Stability
by Benjamin Naber 27 Jun '17

27 Jun '17

Over the course of the last six months or so, I have noticed there have been some issues with allstarlink. Either the allstarlink website doesn't work, connections are radanomly dropped on known high-reliability networks and connected equipment. All without apparent cause. Again today, for no apparent reason, all links on several systems in this area were dropped, and were not able to connect to anyone. Some of our nodes have "direct access" to other nodes specified in the rpt.conf, and those connections worked fine. When a node cannot connect to node 2000, or some other random one, there is an issue. All nodes in this area have different ISPs, so it rules out the possibility of ISP issue. Other folks I have talked to across the country have stated they have noticed similar issues. Has anyone noticed this, and not said anything, or what is going on? ~Benjamin, KB9LFZ

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tone sent in usbradio setting
by Pierre Martel 22 Jun '17

22 Jun '17

Hi I am trying to find what is the frequency of the tone sent when we use the command radio tune txvoice?? I am asking cause if it would be 1247 hz we could use the bessel null methode to adjust our tx to 3hz with just a simple rtl-sdr and sdr# the theory behind this is a bit complcated but at a certain frequency and level the carrier is completly or almost completly off. this can easily be seen on a spectrum analyzer. but our sdr# are like spectrum analyzer. so if we would want a 3khz deviation we need to send a 1247 hz signal and adjust the levels till the main carrier disapear on the spectrum analyzer. the maths are this 3000/2.405=1247 you can see the theory at use here: https://www.youtube.com/watch?v=8IBOYoIV5m8 So if there is a way to decide the tone we want we could use that methode to adjust or repeater deviation ( for the voice part at least) now if we wanted to adjust the deviation for the ctcss, this is another story. but could it be calculated by the voice level setting if sent on the same output? thanks for listening to my crazy idea ;-) By the way you can set a radio with a sound card attached to it a known level and use that as the signal to adjust the rxvoice level also. since we can set that with simple audio generating software available free online

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TK-820 Config Question
by Scott Westerman 21 Jun '17

21 Jun '17

My setup is a Raspberry Pi 3, URIx (no eprom) and a Kenwood TK-820. I'm getting good audio out when I use iaxrpt, the IDs and times transmit fine, but inbound rf signals to the repeater can't be heard and don't trigger beeps, etc. When manually open the COS, I can hear the squelch noise and the inbound audio. Here are my settings. Any advice on what I might be doing wrong? Card is: 0 Name is: usb Rx Level: 500 Rx no-delay: 0 Rx audio-delay: 0 Tx A Level: 500 Tx B Level: 500 preemphasis: no deemphasis: no plfilter: yes rxboost: yes PTT: Active LOW PTT status: Un-Keyed CTCSS (input): CM108/CM119 Active LOW COS (input): CM108/CM119 Active HIGH COS (test): Un-Keyed COS (composite): Un-Keyed Thanks very much for any wisdom you can share! Scott W. - W9WSW

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Re: [App_rpt-users] DIAL node hack
by DuaneVT . 18 Jun '17

18 Jun '17

Good to know about RC1. I had months ago disabled access to root via ssh. Even I have to ssh in as SU with a password. I was wondering if this exploit hack was seen by others, just a heads-up. Duane KA1LM

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Re: [App_rpt-users] DIAL node hack
by DuaneVT . 17 Jun '17

17 Jun '17

The node is on a "Guest" server on a University firewalled network. They punch incoming holes to us for only 222 ssh. We have disabled root access and have to SU with user and password to modify files. Duane KA1LM

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Audio Sputtering Vs. Unreasonable Delay
by Skyler F 17 Jun '17

17 Jun '17

Relavant For Raspberry Pi , dont recall the issue on other hardware, but potentially is. The only choices are usbradio or simpleusb so far. I'm being pretty pretty picky, but I think its an important manner to discuss. With usbradio, the audio sputters and sometimes gets pretty bad. It never breaks up enough to loose what someone is saying, but definitely could use some improvement. It doesen't seem to be affected weather I use dsp or usb/usbinvert from the carrierfrom parameter. Wth simpleusb, the audio repeat delay is not consistent. Sometimes I will get a nice and good 0.25 second delay, but other times it will go all the way up to 1.5 seconds. This varies and I have not been able to control this, really annoying to hear not just the last syllable but my entire callsign when I unkey the repeater. Any solution to eliminate both problems?? And I know I am being really picky, but the more I hear it, the more noticeable it gets and starts to get a little annoying. Thanks, Skyler

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Re: [App_rpt-users] DIAL node hack
by DuaneVT . 16 Jun '17

16 Jun '17

The node is on an academic "guest" network. Open outgoing, firewalled in. The default use/password was removed several months ago. No access to root now. Ports are just those needed for Echolink and ssh. Duane KA1LM

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DIAL update restore configs question
by DuaneVT . 16 Jun '17

16 Jun '17

I have copied my entire /etc/asterisk folder. When I re-image the hard drive, how best to restore the custom conf files.. The question is how best to maintain configs for a possible re-image. There is a "include custom" statement at the bottom of most conf files. Exactly what is expected as a custom conf? The entire config, but with user changes? Does the template conf run and then the exact same customized conf file? This has not been explained in much detail. I COULD copy the ENTIRE SD contents after any ssh change, but that MIGHT also capture any hacked-but-dormant changes. More experienced administrator comments are appreciated. 73, Duane KA1LM

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DIAL node hack
by DuaneVT . 16 Jun '17

16 Jun '17

Our node is offline currently due to an exploit attack. Our network administrator shows heavy traffic out on port 2222 among others. We don't use this port. So reload the new image. For future reloads, how best to reconstruct the local changes done to the original image to carry over the custom config files? 73, Duane KA1LM

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