Re: R: [amsat-bb] Is anyone working on equipment for C-C Rider?

["John B. Stephensen" <kd6ozh@xxxxxxxxxxx>]

AMSAT has little choice about the frequencies to use as the satellite bands are
2400-2450, 3400-3410, 5650-5670, 5830-5850 and 10,450-10,500 MHz. The European
microwave weak-signal segments are better aligned with the satellite bands than
those in the U.S.

I've got a set of transverters for all AO-40 bands, but also bought crystals for
the U.S. weak-signal segments and made use of them for microwave contests. In my
new location, the problem is going to be finding space for antennas so anything
that reduces antenna size will be a big help.

73,

John
KD6OZH

----- Original Message -----
From: "Edward R. Cole" <al7eb@acsalaska.net>
To: "AMSAT-BB" <amsat-bb@amsat.org>
Sent: Thursday, 04 November, 2004 12:38 UTC
Subject: Re: R: [amsat-bb] Is anyone working on equipment for C-C Rider?


> Domenico,
>
> You have raised a good reason for the construction of regional earth-based
> C-C Rider Repeaters.  Many of us were left with equipment that never had a
> chance for use.  Since C-C Rider does not operate on the standard 5 GHz
> frequency for either terrestrial or moon bounce operation, it will require
> investment in new equipment by everyone.  That is much easier to justify if
> it is usable for daily use on mw!
>
> I had contracted DEM for a 10.451/144 Rx-conv. and fortunately they did not
> have it ready before it was know the 10 GHz transmitter was not working on
> AO-40.  I did buy their 1268 MHz Tx-conv. which was in production for only
> a short time.  So even the mw mfr's got left with stuff they could not
> market.  That will make it hard to sell them on tooling up once
> more....unless the risk is removed by developing for other use in addition
> to satellite.  This is being promoted and I endorse it.
>
> I have mw gear up to 24 GHz and my nearest QRV station is 2200 miles from
> me...guess that makes me an optimist (or something).  But someone has to go
> first...and hope others follow.  Obviously you are a leader on mw
> satellite, Dom.  Here's hoping you get to use the equipment on future
> satellites.  BTW 10.451 GHz is the Japanese eme freq.
>
> MW operation on satellites or eme is my only realistic chance for activity,
> so I would welcome seeing the launch of mw transponders.
>
> 73's Ed - AL7EB
>
>
>
> At 11:54 AM 11/4/2004 +0100, i8cvs wrote:
> >Hi Ed and Douglas
> >
> >I was working very hard for two years in preparation of P3D around
> >a 10 watt  2400 MHz uplink and a 10.5 GHz downlink for very small
> >or nothing at all.
> >
> >And infact my 2400 MHz uplink was used only one time during a
> >succesfull  S/K control station skeduled test on AO40
> >
> >Actually my 10.5 GHz downlink (10450-10452 MHz ) system is
> >usable only to measure the sun noise to test if the system is still
> >working  or it requires preventional maintenance in waiting for P3E
> >and if P3E will use the same frequency band.
> >
> >In waiting for the future both systems are getting  rust in the roof.
> >
> >Many others in Europe did the same investing a lot of money for
> >very small or nothing.
> >
> >Why do not implement in EAGLE what was impossible to use with
> >AO40 ?
> >
> >The lesson is that I will prepare my equipments for C-C Rider only if
> >and only when C-C Rider will succesfully operate in orbit and not
> >before.
> >
> >73" de
> >
> >i8CVS Domenico
> ----
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