It returns a 2 byte (4 character) hexadecimal number. The first byte is
the S units in hex. The second byte is the fraction S units in 256ths.
So 0F23 would be 15 sunits with a fractional part of 35/256. The 35 is
decimal for hex 23.
I hope this helps.
Carl Moreschi N4PY
121 Little Bell Dr.
Hays, NC 28635
www.n4py.com
On 7/13/2012 1:40 PM, Martin Ewing wrote:
> Hello, all.
>
> I'm using a Jupiter with Hamlib.org interface software, but the Jupiter
> driver (which I'm maintaining) needs to know how to deal with the S-meter.
> The Ten-Tec programmer's reference (v1.1) claims that "The data format is a
> 4 byte ascii string. The upper part of the number is the signal strength in
> ‘S’ units while the lower part is the fractional part of the signal in ‘S’
> units. For example: if the radio returns the string ‘S0356’ the signal
> strength is 3.56 ‘S’ units."
>
> But this is not what is coming back to me (firmware v1330-538). I get hex
> digits ('0' - 'F") not just decimal. Other CAT functions seem normal. If
> someone knows the correct way to interpret the ?S results, I'd appreciate
> the info. Otherwise, I will have to do some reverse engineering. Doable,
> but a pain...
>
> TIA& 73
> Martin AA6E
>
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