[aprssig] Motorola radios for Satgates.
wa2mct at mearle.com
Sun Aug 1 09:58:51 CDT 2004
Incorrect de-emphasis? If possible, connect at the discriminator or before
the de-emph network and build your own to "tune" to the application..???
At 08:48 08/01/2004 -0600, you wrote:
>I've been looking at replacing the radios I use in my Satgate (VE5BNC-3). I
>currently use Motorola MX-350's (handhelds) and Motorola MCX-100's (mobiles)
>in for my terrestrial radios and digipeaters. I've found they're as
>sensitive as anything else I've ever used. My problem is that neither of
>these radios work for my Satgate. I can hear the packet through the speaker
>but they rarely get decoded. Does anyone have any ideas (or wild
>speculation) why? My favourite theories include:
>- The Doppler shift is too great for the IF in these radios.
>- Something in the AGC that messes up the signal when the squelch breaks.
>- Something else going on when squelch breaks.
> (No, my TNC's aren't set up to run with open squelch, so we don't need to
>go down that road right now).
>Any other ideas would be welcome.
>73, Bruce - VE5BNC
>aprssig mailing list
>aprssig at lists.tapr.org
) ) de WA2MCT Mark
) ) You will be assimilated... oooh, coffee!!
_|****| http://www.findu.com/cgi-bin/find.cgi?wa2mct-8 Home
( | | http://www.findu.com/cgi-bin/find.cgi?wa2mct-9 Mobile
`|____| wa2mct at mearle.com wa2mct at juno.com www.mearle.com/mark
More information about the aprssig