[TheList] Selcal again

Thu May 11 11:33:03 AEST 2017

Hi Daryl

You’re totally correct, there is no requirement for real hardware these days. As there is more processing power in the average desktop/laptop then we use on average.

It just that no-one in NZ has written the code to do it. As NZ fire service Selcall is unique to NZ.

The one person who wrote the code, back in the late 90s used hardware, sound cards were expensive http://www.angelfire.com/super2/radio/selcalldecoding/ (You’ll see the history here)
As no one else has written code to do it (that I know of) then http://www.comms.net.nz/ Seems to be the only option still today.

Regards

Mike

From: TheList [mailto:thelist-bounces at radiowiki.org.nz] On Behalf Of Catherine Sayer
Sent: Thursday, 11 May 2017 12:02 p.m.
To: thelist at radiowiki.org.nz
Subject: [TheList] Selcal again

Hi

Could someone improve my knowledge of Selcall and the need for hardware decoders please. Do we not have enough processing power in today’s PCs to be able to decode Selcall tones via a software option through a sound card, or is this not possible (and why)?

Welcome your input.

Regards

Daryl Sayer

Christchurch

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Today's Topics:

   1. Re: Selcall Decoders (Craig Molloy)

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Message: 1

Date: Sat, 25 Feb 2017 18:05:03 +1300

From: Craig Molloy <phantomdb at gmail.com <mailto:phantomdb at gmail.com> >

To: thelist at radiowiki.org.nz <mailto:thelist at radiowiki.org.nz> 

Subject: Re: [TheList] Selcall Decoders

Message-ID:

        <CAHJsxhjLmWKOQ5o3+KgYf56zZ1ZgCw8nZ=ygR-1xfdSuosM9Dw at mail.gmail.com <mailto:CAHJsxhjLmWKOQ5o3+KgYf56zZ1ZgCw8nZ=ygR-1xfdSuosM9Dw at mail.gmail.com> >

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I would say abc

On 24 Feb 2017 6:44 pm, "kim gyton" <gytonk at gmail.com <mailto:gytonk at gmail.com> > wrote:

thanks craig but for me is that starting with abc or xyz

kim Gyton

AREINZ / Auctioneer

Rural Property International Sales

021728408 <021%20728%20408>

On 24 February 2017 at 13:26, Craig Molloy <phantomdb at gmail.com <mailto:phantomdb at gmail.com> > wrote:

> Get a vhf Tait and select the required format in the profile. And it will

> display on the screen. Or output via serial

> 

> On 24 Feb. 2017 12:05 pm, "Phil W" <philip.walker at outlook.com <mailto:philip.walker at outlook.com> > wrote:

> 

>> Hey guys,

>> 

>> It looks like ANZAC comms will no longer be making their Selcall decoders.

>> Is there an alternative?

>> Or does someone have a circuit diagram that I could use to attempt to

>> make one myself?

>> 

>> Thanks heaps!

>> Phil.

>> 

>> 

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