DSDPlus DSD+ .txt Files Miscellaneous Questions Thread

dave3825

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If they work you can keep them. I created a folder in my directory labeled misc and it’s filled with everything I want but don’t need in the main directory.
 

R0am3r

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So next up, Hytera XPT trunking. I don't have any systems locally to try out. Does DSD+ Fast Lane trunktrack these and how do you figure out the LSNs? What little I can find online is they work similar to LTR or Cap+ and have no system ID, only site IDs, up to 8 TDMA repeaters for 16 slots max. So, what's the syntax for entering them in DSDPlus.networks, DSDPlus.frequencies, and DSDPlus.sites so I can write this up? We just have to make up a Network ID like with Cap+? Thanks.

DSDPlus Fastlane does not trunktrack XPT systems. Assuming there are multiple frequencies for the site, you can add them to a ScanList file (e.g. FMPP.ScanList). You invoke the DSDPlus FL Scanner Mode with the S key when FMPx is running.

As for the other files, here are a few examples. The networkID (12345) was a number I made up. Yes, that's the kind of thing an idiot would have on his luggage!

DSDPlus.networks
XPT, 12345, "Turning Stone Casino"

DSDPlus.sites
XPT, 12345, 7777, "Verona"

DSDPlus.frequencies
XPT, 12345, 1, 454.1125, 0, 1
XPT, 12345, 1, 454.2625, 0, 2
XPT, 12345, 1, 454.3125, 0, 3
XPT, 12345, 1, 454.5125, 0, 4

DSDPlus.groups
; DSDPlus FL will generate these entries. You supply the name (in the quotes) of the groups.
XPT, 12345, 100, 50, 10023, 2024/06/17 20:22, "Security Command"
XPT, 12345, 101, 50, 511, 2024/05/22 13:10, "Supervisor Channel"
 

CanesFan95

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Can someone share some high-resolution screenshots of LRRP data in the Event Log and the map itself? I don't have this in my area, but want to include an example. Thanks.
 

CanesFan95

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For running a 2-dongle setup using RTL-SDRs, do the dongles have to have different serial numbers? Or does it make any difference?
 

mtindor

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Can someone share some high-resolution screenshots of LRRP data in the Event Log and the map itself? I don't have this in my area, but want to include an example. Thanks.
LRRP is purple in the event window. It will say either something about LRRP or ARS. And it will not always contain latitude/longitude/speed/direction. It will be blatantly obvious if it does.
 

dave3825

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For running a 2-dongle setup using RTL-SDRs, do the dongles have to have different serial numbers?
No. When you launch the program it will see 2 dongles. Look in the notes and look for “use first available” dongle. It’s in Fmp24 help. Believe it only applies to Rtl sdr dongles.
 

dave3825

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When you start FMP24 with two identical dongles, its looks like this.

1718890960031.png

It assigns each dongle a number, 1, 2, 3 etc. If you use -i0, it will use the first free dongle.
FMP24 2.86


Usage:
FMP24 [options] Normal operation
FMP24 -h Show help

Options:
-i0 Use first available RTL SDR device [-i0]
 

CanesFan95

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Great information. I used to think you couldn't have 2 dongles with the same serial number and you had to change one of 'em with rtl_eeprom.exe. But maybe that was an older version.

1718908279380.png

So, good. This is helping with the write-up. I can now delete a whole section. (y)
 

dave3825

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I have never changed serials and always run multiple dongles. There are those that say you have to change. You only need to change if you want to differentiate between different dongles. Meaning if A uses -0.9 ppm and B uses 1.3 ppm, and you want to bring up a specific dongle, and not have to mess with ppm, you would use -i1 or -i2 in the fmp24.bat and set each ppm. My dongles are close and I use autotune most of the time so it does not affect me. My Airspy need a little adjusting and FMPA has nothing in place for that so those get used in SDRTrunk, which allows ppm adjustments.
 

CanesFan95

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Yeah, that's a good point. I wonder why is that lacking for AirSpy's? I also wonder why we can't make the bandwidth stay put.
 

CanesFan95

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How do the serial numbers work for SDRPlay RSP2s? Are they unique like an Airspy when you enter them into FMPP.cfg? Or is it OK to enter 2 RSP2 serial numbers into FMPP.cfg that are the same?
 

R0am3r

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The SDRplay radios (e.g., RSP1A, RSP1B) have unique serial numbers. Please note the SDRplay RSP1 (without the 'A') was discontinued in 2017 and did not include a serial number. I am not sure if any other models lacked the serial number.

The serial numbers are added to the FMPP.cfg file. I have never added multiple serial numbers into the FMPP.cfg file as I use my two RSP1A radios in two different instances of DSDPlus Fastlane. Maybe someone can answer this quicker than me changing my configuration file(s).
 
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CanesFan95

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I know about the Cap+ disambiguation, but is there a way to use color codes, RANs, NACs, etc. as an actual audio squelch so that DSD+ only unmutes if it gets the tone you tell it? And, is there CTCSS / DCS available for analog ?
 

CanesFan95

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So how come some features on FMP24 don't work on FMPA? For example, FMP24 lets you disable / enable auto center tuning with -a0 / -a1, but FMPA gives an error with that command. FMP24 lets you tell it to make the bandwidth stay put with -b-7.6, but same thing with FMPA. It gives an error. And then if you put a DELAY in your .scanlist entries, FMP24 does it, but FMPA ignores it and resumes scanning right away. FMPA also scans a lot slower.

1719008730844.png
 

mtindor

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So how come some features on FMP24 don't work on FMPA? For example, FMP24 lets you disable / enable auto center tuning with -a0 / -a1, but FMPA gives an error with that command. FMP24 lets you tell it to make the bandwidth stay put with -b-7.6, but same thing with FMPA. It gives an error. And then if you put a DELAY in your .scanlist entries, FMP24 does it, but FMPA ignores it and resumes scanning right away. FMPA also scans a lot slower.

View attachment 164421

That's just the way it is. FMPA is a more fickle beast. They are known issues, if you want to call them issues. Or you can look at it and say that FMPA doesn't have the "features" that FMP24 does.

The author is aware. I'd anticipate sometime in the future all the aspects of FMP24, FMPA and FMPP would end up being bundled into one single EXE (but may or may not have all the features available in all three). What you can do via the Airspy API to control an Airspy is different than what you can do in the API for RTL dongles, which is also likely different from what you can do using the API for RSPs.
 

CanesFan95

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I know about the Cap+ disambiguation, but is there a way to use color codes, RANs, NACs, etc. as an actual audio squelch so that DSD+ only unmutes if it gets the tone you tell it? And, is there CTCSS / DCS available for analog ?

I'd also be interested to know if there's a way to tell it to only unmute for a certain conventional TGID that you specify. If not, that's fine (not a complaint at all). I just wanna document it.
 

DaveNF2G

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So how come some features on FMP24 don't work on FMPA? For example, FMP24 lets you disable / enable auto center tuning with -a0 / -a1, but FMPA gives an error with that command. FMP24 lets you tell it to make the bandwidth stay put with -b-7.6, but same thing with FMPA. It gives an error. And then if you put a DELAY in your .scanlist entries, FMP24 does it, but FMPA ignores it and resumes scanning right away. FMPA also scans a lot slower.

View attachment 164421
As I stated above, FMPA is to control Airspy receivers. The Airspy has its own features and limitations and will not perform like a dongle, and using FMPA to tune a dongle is just asking for problems. You should use FMP24 for that.
 

CanesFan95

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I'm confused about how TG priority works. I understand the threshold setting, but what's the difference between High, Normal, and Low versus just a numeric value?

I'm also unclear what left versus right-clicking on a TG in the Channel Activity window does. The best I can tell,
right-clicking on a TGID on either the Target or TgtAlias column seems to cycle from HOLD > High > the numeric priority value > Low > L/O. Then left-clicking goes in the opposite order L/O > Low > the numeric priority value > High > HOLD. But if you left or right-click on the Pri column, then it decreases or increases the numeric priority value, respectively. There does not seem to be a way to make it say Normal, even though Normal is an option in DSDPlus.groups.

And DSDPlus.groups has 2 columns, one with the number value and the other with the override (High, Normal, Low, and L/O). So how does that not conflict with itself if I change a TG in the Channel Activity window to a different override when it already has a numeric value as well?

Thanks (sorry for the long question).
 

DaveNF2G

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Please don't take this the wrong way, but are you sure you should be writing a tutorial?
 
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