Order Tray | Contact Us | Home | SIG Lists

[aprssig] [amsat-bb] Transit of Venus event 5/6 June

Tad Burnett tadburnett at vermontel.net
Tue Jun 5 10:00:14 UTC 2012


On 6/5/2012 5:11 AM, Bob Bruninga wrote:
> Re Transit of Venus:
>
>> Do I have my math right?  Your website says that
>> the transit starts around 05:13z, which is around
>> 10:13pm local time out here on the West Coast (UTC
>> -7).  How can that be, if according to the map, the
>> transit will still be in progress 5hrs later at
>> Sunset?
> I did a quick look at my site, and do not see the reference to 0513z.  Please let me know where the mistake is.
>
> I am in japan and cannot fix it anyway.  But I do know that it begins at about 6 PM EDT on the 5th of June on the east coast.
>
> GOod luck!
> Bob, WB4APR

Weatherman here in Vermont just confermed that it starts
at around 6:13 pm EDT which translates to 5:13 pm EST.... Is that
posibaly where the 5:13 came from ???
Anyway using that time the visibility chart fits....
Tad N1QAG

>>    What am I doing wrong?
>>
>>    Greg  KO6TH
>>
>>    On Mon, Jun 4, 2012 at 4:10 PM, Bob Bruninga
>>    <bruninga at usna.edu>  wrote:
>>
>>      Transit of Venus Special Event, 5/6 June 2012:
>>
>>      For the 7th time in Human history and last time
>>      this century, Venus will pass in front of the sun
>>      on 6 June 2012.  We are encouraging hams to join
>>      up with astronomers and observers in public places
>>      to share in this event.  It is observable
>>      worldwide except the center of the Atlantic
>>      (eastern S.America and western Africa)
>>       Everywhere else can see parts of it.  It lasts
>>      5+ hours and is fully visible around the Pacific
>>      Rim. In the Usa it is late afternoon on the 5th
>>      towards sunset.
>>
>>      All previous centuries were before the discovery
>>      of radio and so sailing ships were dispatched
>>      around the globe to time the event.  From these
>>      times, the size of the Solar System could be
>>      calculated.  It took months if not years to get
>>      the data back.  Now we can do it in 0.05 seconds
>>      with Ham radio.
>>
>>      See if you can contact hams at other Transit of
>>      Venus sites from your public observing site.
>>       Here are the suggested calling frequencies.  We
>>      don't want contest-style pileups nor home
>>      stations.  We just want a place where similar
>>      public setups can contact like minded other public
>>      viewing sites via ham radio and make their
>>      reports.
>>
>>      See the web page:
>>       http://aprs.org/VenusTransit2012.html
>>
>>      We are suggesting these calling frequencies:
>>
>>      40 Meters -  7180 KHz
>>      20 Meters - 14240 KHz
>>      17 Meters - 18140 KHz
>>      15 Meters - 21240 KHz
>>      12 Meters - 24940 KHz
>>      10 Meters - 28340 KHz
>>
>>      VHF - Join the global APRS message reflector "CQ
>>      VENUS" to exchange live APRS messages with all
>>      other participants.  To do this, send APRS msg to
>>      CQSRVR with the first words of your message CQ
>>      VENUS ... and your text.  You can send up to one
>>      messae each 30 minutes.  For details, see the web
>>      page.
>>
>>      *** TAKE ALL IMPORTANT SAFETY PRECAUTIONS WHEN
>>      VIEWING THE SUN!!! *** Google for Techniques.
>>
>>      Bob Bruninga, WB4APR (will be observing in Japan
>>      with a Japanese callsign JH1IBN-7 from Kyoto.
>>
>>      _______________________________________________
>>      aprssig mailing list
>>      aprssig at tapr.org
>>      https://www.tapr.org/cgi-bin/mailman/listinfo/aprssig
>> ________________
>> _______________________________________________
>> aprssig mailing list
>> aprssig at tapr.org
>> https://www.tapr.org/cgi-bin/mailman/listinfo/aprssig
> _______________________________________________
> aprssig mailing list
> aprssig at tapr.org
> https://www.tapr.org/cgi-bin/mailman/listinfo/aprssig
>
>
>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.tapr.org/pipermail/aprssig/attachments/20120605/fa99e167/attachment.htm>


More information about the aprssig mailing list