[amsat-bb] Fox, "Easy Sats"....et al....

[Joe]

tape measure dipole worked in the past.
Joe WB9SBD
Sig
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com
On 7/4/2015 1:10 PM, Paul Stoetzer wrote:
> Because of the difficulty of putting an adequate antenna for a 10m 
> downlink on a cubesat.
>
> 73.
>
> Paul, N8HM
>
> On Sat, Jul 4, 2015 at 2:07 PM, Joe <nss at mwt.net <mailto:nss at mwt.net>> 
> wrote:
>
>     Why don't they have mode "A" anymore? even the single channel FM
>     could be mode a true?
>
>     The Original Rolling Ball Clock
>     Idle Tyme
>     Idle-Tyme.com
>     http://www.idle-tyme.com
>     On 7/4/2015 12:48 PM, Paul Stoetzer wrote:
>>     Well, you are partially right. With OSCAR 6 and 7 and their strong ten
>>     meter downlinks, it was just a matter of adding two meter transmit
>>     capability to an HF station. Now it does take a little more work to
>>     receive and transmit at VHF and UHF with SSB or CW and the prevalence
>>     of man-made noise on VHF and UHF these days generally requires a beam.
>>
>>     I am quite certain that many of the people that worked OSCARs, 6, 7,
>>     8, and the RS birds never graduated from Mode A. Just like many of the
>>     FM satellite users never graduate from FM.
>>
>>     People tend to think it's more difficult than it is. I've made over
>>     2,000 linear transponder contacts with nothing more than two Yaesu
>>     FT-817s (for a few hundred of those I used an Icom IC-R10 receiver)
>>     and an Arrow antenna handheld.
>>
>>     The radios for operating via a linear transponder are widely available
>>     and inexpensive. A Yaesu FT-100, FT-817, FT-857, FT-897, FT-991 or an
>>     Icom IC-706MkII(g), Icom IC-7000, or any of those plus a FUNcube
>>     dongle and computer to receive the downlink are all the radio you need
>>     and an Arrow or Elk antenna will get you going.
>>
>>     73,
>>
>>     Paul, N8HM
>>
>>
>>     On Sat, Jul 4, 2015 at 1:19 PM, Joe<nss at mwt.net>  <mailto:nss at mwt.net>  wrote:
>>>     Funny how a linear bird is a technical challenge, wow, as a novice in 1975 I
>>>     listened to Oscar 6 & 7 all the time. and once up graded used them also all
>>>     the time. Sad to think that 1970's technology is high tech to anyone.
>>>     Joe WB9SBD
>>>     Sig
>>>     The Original Rolling Ball Clock
>>>     Idle Tyme
>>>     Idle-Tyme.com
>>>     http://www.idle-tyme.com
>>>
>>>     On 7/4/2015 12:10 PM, Paul Stoetzer wrote:
>>>>     Michael,
>>>>
>>>>     The idea is to get people hooked on satellite operating and then have
>>>>     them "graduate" to more challenging aspects of satellite operating.
>>>>
>>>>     AMSAT is, of course, working on projects that be more of a technical
>>>>     challenge than FM satellites, like Fox-1E with a linear transponder
>>>>     and the geosynchronous P4B project.
>>>>
>>>>     73,
>>>>
>>>>     Paul, N8HM
>>>>
>>>>     On Sat, Jul 4, 2015 at 1:02 PM, Michael<Mat_62 at charter.net>  <mailto:Mat_62 at charter.net>  wrote:
>>>>>     Once again I feel the need to say that we have gone in the wrong
>>>>>     direction
>>>>>     by trying to convince everyone how easy a  "sat"  is to work with a
>>>>>     handheld
>>>>>     antenna. I got into satellite communication because of the technical
>>>>>     challenge involved, not by how "easy it was".
>>>>>        This whole half or full duplex issue is a symptom of  "dumbing down"
>>>>>     There
>>>>>     should never be any question on it.  Full duplex should ALWAYS be used.
>>>>>     73,
>>>>>     Michael, W4HIJ
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>>>>     _______________________________________________
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>>>>
>>>     _______________________________________________
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>>>     to all interested persons worldwide without requiring membership. Opinions
>>>     expressed
>>>     are solely those of the author, and do not reflect the official views of
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>
>