[OZAPRS] Yaesu VX8GR performance?

Tony Hunt wavetel at internode.on.net
Wed Aug 1 14:03:53 EST 2012


Andrew. There is nothing wrong with the Format of the packets as such. Thats 
like saying its not APRS standard compliant.

I have a VX8R here. The issue with the 8R is the lack of deviation. Some 
Digis/TNC combos are not giving a reliable decode because of the lack of 
Audio (tone level) reaching the TNCs discriminator input.
I found with the VX8R that I could get into the service menu and bump up the 
VHF deviation/audio level. This worked a treat and improved the decode no 
end. The one drawback was that it also bumped up the level on voice. Its a 
single adjustment. So the trick is a compromise between the two and to 
remember not to yell into the microphone when using 2m voice. If your happy 
with that then fine. Personally I find it a bit disappointing but at least 
its possible to get something going as a work around with this problem.

It becomes a real pain if your travelling around the country and have it all 
working and tested ok at home with your local network and you drive 
interstate and find that your APRS really lacks and does not track very well 
if at all. The deviation is that marginal and works ok in some situations 
and in others it will refuse to work at all. Just bump up the deviation and 
its all sorted.

Tony Hunt  VK5AH

- Original Message ----- 

> From: Andrew Scott <mail at asphotos.com.au>
> To: Australian APRS Users <ozaprs at aprs.net.au>
> Subject: [OZAPRS] Yaesu VX8GR performance?
> Message-ID: <07259806-28B0-4FDE-9065-0470B0C7C18B at asphotos.com.au>
> Content-Type: text/plain; charset="us-ascii"
>
> hello all
>
> does anyone have a VX8gr, and how do they find it performs on aprs in oz? 
> ive read that some digipeaters do not like its format?? but haven't been 
> able to find anything specific?  see below.
>
> **
>
> VX-8GR APRS notes
>
> We have found that some TNCs
> won't work properly, or at all, with the VX-8GR when in APRS mode.
> This is apparently due to the VX-8GR's format being different to other 
> Yaesu transceivers' format/s.
> Fortunately, a customer recently told us his Tiny Track 4 TNC works 
> excellently with his VX-8GR.
> Other similar format/design TNCs may work excellently, too.
>
> **
>
> looking for a new handheld, and this might achieve a couple of tasks in 
> one package.. as long as it plays nicely with australian aprs networks..
>
> thanks
>
> vk3bq
> Andrew Scott
> mail at asphotos.com.au
> 0411101021
>
>
>
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> Message: 2
> Date: Wed, 1 Aug 2012 07:30:48 +1000
> From: Tim <timlog at bigpond.com>
> To: Australian APRS Users <ozaprs at aprs.net.au>
> Subject: Re: [OZAPRS] Yaesu VX8GR performance?
> Message-ID: <0C8E2915-2060-4D9B-B4AF-8773B3F271F4 at bigpond.com>
> Content-Type: text/plain; charset="us-ascii"
>
> Mine works ok Andrew around here thru our Tiny 2 based digis. Getting the 
> RF out is a bit of a problem, the factory antennas not real flash, but it 
> works.  I use it for hiking and cycling. I have used the D700 in the car 
> as a local crossband a couple of times to help me when away from the digi.
>
> Sent from my iPad
>
> On 01/08/2012, at 7:13 AM, Andrew Scott <mail at asphotos.com.au> wrote:
>
>> hello all
>>
>> does anyone have a VX8gr, and how do they find it performs on aprs in oz? 
>> ive read that some digipeaters do not like its format?? but haven't been 
>> able to find anything specific?  see below.
>>
>> **
>>
>> VX-8GR APRS notes
>>
>> We have found that some TNCs
>> won't work properly, or at all, with the VX-8GR when in APRS mode.
>> This is apparently due to the VX-8GR's format being different to other 
>> Yaesu transceivers' format/s.
>> Fortunately, a customer recently told us his Tiny Track 4 TNC works 
>> excellently with his VX-8GR.
>> Other similar format/design TNCs may work excellently, too.
>>
>> **
>>
>> looking for a new handheld, and this might achieve a couple of tasks in 
>> one package.. as long as it plays nicely with australian aprs networks..
>>
>> thanks
>>
>> vk3bq
>> Andrew Scott
>> mail at asphotos.com.au
>> 0411101021
>>
>>
>>
>> _______________________________________________
>> OZAPRS mailing list
>> OZAPRS at aprs.net.au
>> http://lists.aprs.net.au/mailman/listinfo/ozaprs
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