[aprssig] GPS 18 coordinates

[Andrew Rich (Home)]

Thank u very helpfull

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Andrew Rich
Amateur Radio Callsign VK4TEC
email: vk4tec at tech-software.net
web: www.tech-software.net
----- Original Message ----- 
From: "Tapio Sokura" <oh2kku at iki.fi>
To: "TAPR APRS Mailing List" <aprssig at tapr.org>
Sent: Sunday, August 09, 2009 12:06 PM
Subject: Re: [aprssig] GPS 18 coordinates


> Andrew Rich (Home) wrote:
>> Even the GARMIN docs are wrong
>
> If you are aiming to write general purpose NMEA parsing code, I
> recommend you prepare your code to accept 1-3 digits for degrees and 1-6
> digits for minute decimals. Integer minutes are always 2 digits, zero
> padded if necessary. The great majority of NMEA producing devices
> zero-pad the degrees value, but I have seen some that don't do that. The
> number of minute decimals varies typically between 2 and 4, but it
> doesn't hurt if you prepare for something between 1 and 6 at least.
>
>   Tapio
>
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