[OZAPRS] TT3plus / TT4 HF set up help needed.

[David and Justine Olsen]

I find my position reporting over long distances to be very reliable  
on 40m in some locations. eg Simpson desert posits every few minutes.  
Locally from Townsville all the way to Mt Isa on 40m worked great.  
However the key to it is getting the most reliable decoding of your  
signal by the igates, which requires quite a bit of finesse on the  
settings, and unfortunately trial and error seems to be the most  
effective for me.

David
VK4MDX

On 29/09/2010, at 8:25 PM, scameron wrote:

> Hi Gordon, yes i keep thinking HF will be the same as VHF APRS but  
> we should be understanding of propagation, it is frustrating but i  
> have been a great believer and follower of HF over the years.
> Regards,
> Stuart
>
> ----- Original Message -----
> From: Gordon Taylor
> To: 'Australian APRS Users'
> Sent: Wednesday, September 29, 2010 7:50 PM
> Subject: Re: [OZAPRS] TT3plus / TT4 HF set up help needed.
>
> Stuart,
>                 That is working fine.  The vagaries of HF mean that  
> gating can be all over the place depending on propagation.  Look at  
> the posits of VK4UN-15 or VK4KEL -15 as they have both been/are  
> travelling around oz.  There are some big patches of no beacons and  
> the only explanation is propagation.
>
> Regards,
> Gordo VK4VP
>
> From: ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au]  
> On Behalf Of scameron
> Sent: Wednesday, 29 September 2010 20:06
> To: Australian APRS Users
> Subject: Re: [OZAPRS] TT3plus / TT4 HF set up help needed.
>
> Hi Gordon, thanks for your quick response i have been able to  
> monitor via AGW tracker HF live and on APRS.fi and it appears ok, i  
> have not set up up an Igate and don't wish to at this stage, i did a  
> small, trip this afternoon but was not convinced the signal was  
> getting into the Igates ok, have lookat Vk5ade-14, i had to change  
> the ssid so i could differ between the 2 trackers, i have been  
> running VHF ok for some time now with no problems.
> Kind regards,
> Stuart Vk5ade
> ----- Original Message -----
> From: Gordon Taylor
> To: 'Australian APRS Users'
> Sent: Wednesday, September 29, 2010 7:29 PM
> Subject: Re: [OZAPRS] TT3plus / TT4 HF set up help needed.
>
> Stuart,
>                 Have you listened to the TX audio on another radio.   
> A bit of distortion etc can cause it not to be gated.
>
> How do you mean it works on the bench?
>
> Have you set up your own HF IGate and it works?
>
> Regards,
> Gordo VK4VP
>
> From: ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au]  
> On Behalf Of scameron
> Sent: Wednesday, 29 September 2010 19:53
> To: Australian APRS Users
> Subject: [OZAPRS] TT3plus / TT4 HF set up help needed.
>
> Hi group, i am still having issues setting up either TT3plus or TT4  
> on HF mobile Icom 706 Mk2g, i have checked my settings against our  
> local APRS VK settings and can not see why it should not work, they  
> both work here on the bench OK. Is it possible for somebody to email  
> the settings either one would do.
> Regards,
> Stuart Vk5ade
>
>
>
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