[aprssig] Roundthe-world approaching Cancouver Island now!

[Lynn W. Deffenbaugh (Mr)]

 From 41,600 feet, the radio footprint is about 251 miles in all 
directions (radius).  In the following screen shot, the balloon is at 
the center.  The smaller circle is the radio footprint (notice how all 
of the recent radio receptions are inside that circle?) and the larger 
circle is 577 miles in radius:



APRSISCE/32 will show you radio footprints for stations flying at 
altitude as will aprs.fi, IIRC.

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

On 7/22/2014 7:48 PM, Paul Bramscher wrote:
> I've not yet had the opportunity to track a balloon.  Anyone know what
> to expect for the radio footprint on this one, or high altitude balloons
> in general?
>
> On the http://spacenear.us/tracker/ site I'm curious about the blue
> circles surrounding the various balloons.  Do these represent the footprint?
>
> 73
> Paul, KD0KZE
>
> On 7/22/2014 11:58 AM, Robert Bruninga wrote:
>> G6UIM reports a Balloon launched in the UK is approaching Washington
>> state from across Asia and the Pacific right now.
>>
>> See:http://spacenear.us/tracker/ look for Balloon B-63
>>
>>   
>>
>> It is being well received by the APRS network in Canada, Washington and
>> Oregon as it approaches Vancoover Island as shown here:
>>
>> http://aprs.org/balloons/M0XER-3.jpg
>>
>>   
>>
>> That image from Lynn, author of APRSIS32.
>>
>> Bob, Wb4APR
>>
>>   
>>
>>
>>
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