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 Dstar communication 
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Post Re: Dstar communication
I too shall be delving into the world of Dstar with a NW Radio dongle currently on its way.
However, HF SSB is and always will be my preferred method.


Sat Jan 09, 2016 10:06 pm
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 Dstar communication 
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Joined: Fri Mar 28, 2014 1:35 pm
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Location: Oldham
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Post Re: Dstar communication
My experience with DStar.

To be honest, it is little different than Echolink/IRLP/Allstar, like it or lump it. I need not explain the benefits of the other VOIP's. They all have some merit. Save that DStar provides some assurance from the 21'st Century problem of abusers and those who prefer to spoil our hobby.

The fact is that many of the inner city repeaters are frequently subject to abuse. Paradoxically, DStar is in a way, reminiscent of how it used to be before the idiots who became tired of smashing windows in bus shelters and got their kicks instead causing problems to many users on a repeater, with their cheap imported radio in many cases.

In particular, Ian, G4ZPZ invested a fortune in GB3PZ. I spent countless hours on technically getting PZ up and running. The vulnerability of analogue repeaters are such that in this case it only took one elderly licenced ham with a mental health problem and one permanently drunken unlicensed station to cause the PZ user base to abandon PZ in droves.

Finally, those who churn out the same one sentence criticism of DStar without elaboration do not deserve a reply, similar to those who moaned about SSB v CW years ago. To those who are concerned about DMR or DStar, I ask if you are aware that in many cases in the UK it is possible to talk with both modes through the 'Bridge' kindly provided by Dave M0AUT? This provides an amicable marriage of DMR and DStar users. As you may imagine, it is popular among UK users.

And no, I don't accept that the equipment is too expensive. Take a look at thow much we had to pay in the 1970's for commercial kit or use converted taxi radios (Happy Days) Well in excess of the cost of DMR/DStar kit now.

Try it. You may just like it.

73
Graham
G4HFG / W4HFG


Tue Jan 26, 2016 1:00 pm
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 Dstar communication 
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Post Re: Dstar communication
OK.. finally jumped onto the D Star wagon. Not intentionally I might add... I just bought a ID5100 because I wanted a dual band, dual watch radio with a fast scanner... and the price was right.

Well... One thing is immediately obvious to me.. no one seems to be using it as a radio mode in my area. I can leave the radio scanning set to DV for days and it will not stop once. Everyone is using the internet it would seem, which isn't radio and is pointless.

I've done some tests with local stations just to see if it works, and my god.... the sound quality is terrible.


Either I'm doing something incredibly wrong, or you lot are easily pleased.

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Tue May 02, 2017 7:11 am
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 Dstar communication 
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Post Re: Dstar communication
G0SLV wrote:
OK.. finally jumped onto the D Star wagon. Not intentionally I might add... I just bought a ID5100 because I wanted a dual band, dual watch radio with a fast scanner... and the price was right.

Well... One thing is immediately obvious to me.. no one seems to be using it as a radio mode in my area. I can leave the radio scanning set to DV for days and it will not stop once. Everyone is using the internet it would seem, which isn't radio and is pointless.

I've done some tests with local stations just to see if it works, and my god.... the sound quality is terrible.


Either I'm doing something incredibly wrong, or you lot are easily pleased.


LOL, best prepare for a shitstorm :shock: :D

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Tue May 02, 2017 7:38 am
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 Dstar communication 
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Post Re: Dstar communication
ei9ju wrote:
G0SLV wrote:
OK.. finally jumped onto the D Star wagon. Not intentionally I might add... I just bought a ID5100 because I wanted a dual band, dual watch radio with a fast scanner... and the price was right.

Well... One thing is immediately obvious to me.. no one seems to be using it as a radio mode in my area. I can leave the radio scanning set to DV for days and it will not stop once. Everyone is using the internet it would seem, which isn't radio and is pointless.

I've done some tests with local stations just to see if it works, and my god.... the sound quality is terrible.


Either I'm doing something incredibly wrong, or you lot are easily pleased.


LOL, best prepare for a shitstorm :shock: :D


Bring it on.

If no one's using it as a radio mode, then it's a load of useless bollocks.

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Tue May 02, 2017 8:20 am
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 Dstar communication 
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Post Re: Dstar communication
G0SLV wrote:
ei9ju wrote:
G0SLV wrote:
OK.. finally jumped onto the D Star wagon. Not intentionally I might add... I just bought a ID5100 because I wanted a dual band, dual watch radio with a fast scanner... and the price was right.

Well... One thing is immediately obvious to me.. no one seems to be using it as a radio mode in my area. I can leave the radio scanning set to DV for days and it will not stop once. Everyone is using the internet it would seem, which isn't radio and is pointless.

I've done some tests with local stations just to see if it works, and my god.... the sound quality is terrible.


Either I'm doing something incredibly wrong, or you lot are easily pleased.


LOL, best prepare for a shitstorm :shock: :D


Bring it on.

If no one's using it as a radio mode, then it's a load of useless bollocks.

It's the same here.
I checked around, on receive, when I first had the 7100.
It seemed to be all internet linked, not even straight repeater, and terrible audio, even on strong signals.
I've never bothered to TX.

You're not far from me so direct shouldn't be a problem, if you have a Yagi.
We can give it a try if you want.
I'd be interested in doing some more fade margin checks, with a known signal rather than an unknown quantity.
My initial ones seened to indicated FM was more resilient but, since others seem to disagree, I'd like to do further checks.

Cheers

Tony

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Tue May 02, 2017 9:53 am
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 Dstar communication 
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Post Re: Dstar communication
gw8asd wrote:
It's the same here.
I checked around, on receive, when I first had the 7100.
It seemed to be all internet linked, not even straight repeater, and terrible audio, even on strong signals.
I've never bothered to TX.

You're not far from me so direct shouldn't be a problem, if you have a Yagi.
We can give it a try if you want.
I'd be interested in doing some more fade margin checks, with a known signal rather than an unknown quantity.
My initial ones seened to indicated FM was more resilient but, since others seem to disagree, I'd like to do further checks.

Cheers

Tony




No beams up at the mo. Nearly bought another one last week, but our local club has a project coming up, so I'll support that, and build one. Tbh... most of my energy is being put into sourcing parts and designing a symmetrical matching unit at the moment, so I can get a decent HF antenna up... but the thought of a lightweight beam and a FT857... and some exercise is starting to look appealing :)

I must confess I'm disappointed in D-Star... not just the audio, which I'll get into in a moment, but the lack of use as a mode of operation radio to radio. I knew D Star's party trick was connectivity, but I always assumed it was an extra... another feather in it's cap, not its raison d'être! Why would anyone buy a RADIO, then just use it to connect to the internet? Sorry, but baffled by this. I know this is a D Star forum... so it's just an irrelevant comment bound to result in "If you don't like it, sod off" and fair enough... I get that, but why's no one using it via the RADIO??

Now then... audio. I'm sorry... it just sucks, plain and simple. It makes everyone sounds like an underwater robot. It just does. It's not even CLOSE to the quality the same people can produce using FM. To market it as "Crystal clear" audio is bordering on a trade descriptions infringement. I just reckon some people are just suffering from confirmation bias, or they're deaf!

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Tue May 02, 2017 10:03 am
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 Dstar communication 
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Post Re: Dstar communication
G0SLV wrote:
gw8asd wrote:
It's the same here.
I checked around, on receive, when I first had the 7100.
It seemed to be all internet linked, not even straight repeater, and terrible audio, even on strong signals.
I've never bothered to TX.

You're not far from me so direct shouldn't be a problem, if you have a Yagi.
We can give it a try if you want.
I'd be interested in doing some more fade margin checks, with a known signal rather than an unknown quantity.
My initial ones seened to indicated FM was more resilient but, since others seem to disagree, I'd like to do further checks.

Cheers

Tony


No beams up at the mo. Nearly bought another one last week, but our local club has a project coming up, so I'll support that, and build one. Tbh... most of my energy is being put into sourcing parts and designing a symmetrical matching unit at the moment, so I can get a decent HF antenna up... but the thought of a lightweight beam and a FT857... and some exercise is starting to look appealing :)

I must confess I'm disappointed in D-Star... not just the audio, which I'll get into in a moment, but the lack of use as a mode of operation radio to radio. I knew D Star's party trick was connectivity, but I always assumed it was an extra... another feather in it's cap, not its raison d'être! Why would anyone buy a RADIO, then just use it to connect to the internet? Sorry, but baffled by this. I know this is a D Star forum... so it's just an irrelevant comment bound to result in "If you don't like it, sod off" and fair enough... I get that, but why's no one using it via the RADIO??

Now then... audio. I'm sorry... it just sucks, plain and simple. It makes everyone sounds like an underwater robot. It just does. It's not even CLOSE to the quality the same people can produce using FM. To market it as "Crystal clear" audio is bordering on a trade descriptions infringement. I just reckon some people are just suffering from confirmation bias, or they're deaf!

I can't see that it does nothing that couldn't be done with FM.
All the functions could be done with out of band data streams.

Still, each to their own.

Cheers

Tony

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Tue May 02, 2017 10:42 am
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 Dstar communication 
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Post Re: Dstar communication
Only benefit "radio" wise with DV that I have found it to offer me is that of a cleaner audio when working weaker stations, whereas the background noise of the FM transmission would reduce the signal received. Other than that it has no real benefit for us being a digital communication mode.

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Tue May 02, 2017 11:13 am
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