[amsat-bb] funcube dongle
kayakfishtx at gmail.com
Wed Feb 11 16:37:02 UTC 2015
Like Alan, I use a manual system to switch between the transceiver and
the FCD. When I am receiving on the FCD, there is no transmitter
connected to any feedlines for that band. I manually disconnect it
from the radio and connect it directly to the FCD. Thus far, this
technique has managed to dodge my incompetence and protect my precious
I have plans to incorporate relays at some point down the road.
On Wed, Feb 11, 2015 at 10:01 AM, Alan <wa4sca at gmail.com> wrote:
> The consequences at not going to be good, nor will repair be easy. :) I only took out one mode-S
> converter, fortunately a cheap one, to convince myself that I needed to come up with a configuration
> which would make it impossible for even the most ingenious idiot, ME, to do that in the heat of
> battle. On the rare times I use the FCD for satellite testing I have to manually move the antenna
> from the main rig to the FCD which has so far been adequate.
> <-----Original Message-----
> <From: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org] On Behalf Of kb2m at arrl.net
> <Sent: Wednesday, February 11, 2015 9:34 AM
> <To: 'AMSAT-BB'
> <Subject: [amsat-bb] funcube dongle
> <Got my Funcube Dongle PRO + today and was wondering about the consequences
> <of transmitting into it. No I haven't done it yet, but in the past with such
> <devices you operate on a system that requires you tx on 2 banks alternately
> <this will happen. How do I know this? In the AO-40 days I think I replaced
> <the front end in my 2.4 gig downconverter at least 3 times. It wasn't so
> <bad after the first time, after I ordered several replacement chips to fix
> <the one I fried in the frontend of the Drake D/C. I see the Funcube is
> <sealed so I must ask, has anyone had the misfortune to do this? Or does
> <anyone have a protection scheme to share?
> <73 Jeff kb2m
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