[time-nuts] Sun Outage

Graham planophore at aei.ca
Fri Oct 10 05:17:31 EDT 2014


Good morning Brooke,

Sorry, don't know the answer to that question. Interesting question though.

I am aware of the Radio Rove project and have played around at 
"listening" for Jupiter on HF and LO VHF but not in a very serious way.

cheers, Graham ve3gtc


On 2014-10-09 19:26, Brooke Clarke wrote:
> Hi Graham:
>
> Do you know if anyone has used a Ku-band receiver, like described in 
> the paper, to look at Jupiter?
> The Radio Jove project is looking between 18 and 40 MHz.
> http://radiojove.gsfc.nasa.gov/
>
> Have Fun,
>
> Brooke Clarke, N6GCE
> http://www.PRC68.com
> http://www.end2partygovernment.com/2012Issues.html
> http://www.prc68.com/I/DietNutrition.html
>
> Graham wrote:
>> If you have an interest in trying to measure sun noise, you might 
>> like to have a look at the "itty bitty radio telescope".
>>
>> (watch the line wrap)
>>
>> http://www.arrl.org/files/file/ETP/Radio%20Astronomy/Build%20a%20Homebrew%20Radio%20Telescope-QST-0609.pdf 
>>
>>
>> http://www.gb.nrao.edu/epo/ambassadors/ibtmanualshort.pdf
>>
>> http://www.stargazing.net/david/radio/itty_bitty_radio_telescope.html
>>
>> as a start. A google search will return more.
>>
>> cheers, Graham ve3gtc
>>
>>
>>
>> On 2014-10-09 14:23, paul swed wrote:
>>> Exactly geosyncs have sun outages as the sun aligns with the sat and 
>>> your
>>> dish.
>>> GPS because the sats are distributed do not suffer from the effect.
>>> Regards
>>> Paul
>>> WB8TSL
>>>
>>> On Thu, Oct 9, 2014 at 2:04 PM, Mike Feher <mfeher at eozinc.com> wrote:
>>>
>>>> Bob -
>>>>
>>>> I do not believe it has any effect. The DirecTV satellites are
>>>> geostationary at about 22K miles. I used to experience the same 
>>>> phenomenon
>>>> in the late 70's with my TVRO receiver at C band. GPS has some 36 
>>>> or so
>>>> satellites in a Medium Earth Orbit (MEO). Blockage, if it can even 
>>>> occur
>>>> due to the nature of the receiving antenna, of a single one for a few
>>>> minutes will have no discernible effect in my opinion. 73 - Mike
>>>>
>>>> Mike B. Feher, EOZ Inc.
>>>> 89 Arnold Blvd.
>>>> Howell, NJ, 07731
>>>> 732-886-5960 office
>>>> 908-902-3831 cell
>>>>
>>>> -----Original Message-----
>>>> From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Bob
>>>> Stewart
>>>> Sent: Thursday, October 09, 2014 1:40 PM
>>>> To: Time Nuts
>>>> Subject: [time-nuts] Sun Outage
>>>>
>>>> Two days this week, there was a 3 or 4 minute outage on DirecTV as 
>>>> the sun
>>>> aligned with the satellite and my dish.  So I was wondering what 
>>>> kind of
>>>> effect this has on the GPS system and especially timing receivers.
>>>>
>>>>
>>>> Bob - AE6RV
>>>> _______________________________________________
>>>> time-nuts mailing list -- time-nuts at febo.com To unsubscribe, go to
>>>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>>>> and follow the instructions there.
>>>>
>>>> _______________________________________________
>>>> time-nuts mailing list -- time-nuts at febo.com
>>>> To unsubscribe, go to
>>>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>>>> and follow the instructions there.
>>>>
>>> _______________________________________________
>>> time-nuts mailing list -- time-nuts at febo.com
>>> To unsubscribe, go to 
>>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>>> and follow the instructions there.
>>
>> _______________________________________________
>> time-nuts mailing list -- time-nuts at febo.com
>> To unsubscribe, go to 
>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>> and follow the instructions there.
>>
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to 
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.




More information about the time-nuts mailing list