[OZAPRS] Re: 40m Traffic & TX DELAY

[David and Justine Olsen]

MixW has a Tx tail setting, currently 0

Do you have any recommendations for my soundcard setup with respect  
to TxTail.

David

On 5 Apr 2009, at 06:01, Ray Wells wrote:

> In my early days of running HF for the BBS I experienced some  
> variable results that I attributed to TXD being marginal. Setting  
> TXD to 450mS ironed out that problem and it remains the value I use  
> with The Kenwood TS430, a Tracker Lynx and a couple of Codans.
>
> There is another setting which, although largely deprecated, can  
> prove useful on HF, and that's TXTAIL, the purpose of which is to  
> hold the TX up to ensure the data has cleared the radio. It's like  
> TXD in reverse.
>
> It's certainly still available as an option with KISS TNC's in  
> Linux kernel ax25, and my Baycom USCC> 4, four port internal card  
> has it as well.
>
> Ray vk2tv
>
> Tony Hunt wrote:
>> David. I dont know what others are running but I run 480mS .. I  
>> messed about
>> with TXDelay on 30m a while back with Tiny Trackers and found that  
>> figures
>> closer to 500mS seemed more reliable. I remember some earlier TNC2  
>> firmware
>> for VHF that came out with default Txdelays of 300mS . Surely its  
>> going to
>> be higher as a rule on HF !!
>>
>> I wonder what everyone is running as a rule?
>>
>> Of course it all depends on different radios your running etc  
>> etc.. It also
>> depends on different receivers that others are running and  
>> software and
>> squelches etc. Those latter things are all out of your control..
>>
>> I picked some frames up from you on 40m early this morning around  
>> the grey
>> line at 0413 local. The same with ZL4TZE-4 at the same time. So  
>> Ive got 8
>> stations on the heard list so far.
>>
>> Tony Hunt  VK5AH
>>
>> ----- Original Message -----
>>> Date: Sat, 4 Apr 2009 14:14:08 +1000
>>> From: David and Justine Olsen <davejust at bigpond.net.au>
>>> Subject: Re: [OZAPRS] 40m Traffic & TX DELAY
>>> To: Australian APRS Users <ozaprs at aprs.net.au>
>>> Message-ID: <5DF92CC8-3A97-461B-97F8-2B9C3E37F8F3 at bigpond.net.au>
>>> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
>>>
>>> I have a very short packet, but my Tx delay is 300mS
>>>
>>>
>>> David
>>>
>>
>>
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>>
>
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