[aprssig] DTMF on HF?
vk2tv at exemail.com.au
Fri Jan 10 17:56:38 EST 2014
On 11/01/14 04:10, Robert Bruninga wrote:
> Has anyone had any experience with any success at DTMF working on HF
> for some rudimentary commands?
> I know tuning is critical as well as inter-tone noise must be way down.
> Just thought maybe someone has experimented with it.
> Bob, WB4aPR
> aprssig mailing list
> aprssig at tapr.org
No experience, but if it was used on an active aprs frequency the radio
would already be critically tuned.
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