[time-nuts] Sun Outage

David McGaw n1hac at dartmouth.edu
Fri Oct 10 08:50:29 EDT 2014


Jupiter emissions are MHz.  Ku band is GHz.

David


On 10/10/14 5:17 AM, Graham wrote:
> 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.
>
> _______________________________________________
> 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