Hi,
Is it possible to dynamically change predict's qth file from a socket
connection? Looking to develop a small web app that gives updates on pass
times depending on your current geolocation.
73
Bobby KF4GTA
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David Jordan AA4KN's excellent article on working ARISSat-1 that was published
in the February, 2011 issue of QST magazine is available for download to all.
http://tinyurl.com/work-arissat1
It is a 1.1MB .pdf document.
Clint Bradford, K6LCS
(Permission received from the ARRL to publish.)
_
I purchased a Yaesu 847 for both satellite and HF work. Since this is my 1st
base-style transceiver I am now in need of a power supply. I was originally
considering the Astron RS35M and am curious if linear or switching is the
proper choice? Is there a Amsat BB favorite between switching and
My preference is for big linear supplies but perhaps I'm just an old fogey that
prefers traditional design.
On 18-Feb-11 18:44, zach hillerson wrote:
> I purchased a Yaesu 847 for both satellite and HF work. Since this is my 1st
> base-style transceiver I am now in need of a power supply. I wa
Hi,
Thanks for reading this message. Is there any news regarding HO-68?
Or can somebody give us a link where we can find this information?
73 Jan - PE0SAT
--
With regards PE0SAT
Internet web-page http://www.ham.vgnet.nl/
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> Is there a Amsat BB favorite between switching and linear [power
supplies]?
I won't speak to noise, which is the only potential issue with switching
power supplies, but other than that, I am writing an article for QST that
points out how the world of power and emergency power has changed
drastic
Only thing I have to say is that Switching types are much lighter and are
more transportable. I have owned big bruiser linears and they work OK-just
find a sturdy shelf to put them on. If your requirement is 25Amps, get a
35Amp unit.(switching) Best to run cooler than at "load."
Good luck on the
At 10:54 AM 2/18/2011, Bob Bruninga wrote:
> > Is there a Amsat BB favorite between switching and linear [power
>supplies]?
>
>I won't speak to noise, which is the only potential issue with switching
>power supplies, but other than that, I am writing an article for QST that
>points out how the worl
Howdy,
I do not recall predict having that capability. If they do, it would be
great to see how they handle doppler of a moving qth. In gpredict we are
adding gpsd support and would like the example.
Charles
AA1VS
On Feb 18, 2011 12:47 PM, "Bobby Lacey" wrote:
> Hi,
>
> Is it possible to dynamic
At 12:01 PM 2/18/2011 -0900, "Edward R. Cole" wrote:
>I am rebuilding my 4.2kV PS for the 2m-8877.
That'll get you into AO-51. ;-)
>I was 14 years old when working on my DX-35 with 850vdc on the 6146 plate.
>
>I agree that many hams these days aren't not trained to handle
>high-voltage with a
The AMSAT office will be closed on Monday, February 21 for observance of
Presidents' Day.
--
73- Martha
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On Feb 18 2011, zach hillerson wrote:
I purchased a Yaesu 847 for both satellite and HF work. Since this is my
1st base-style transceiver I am now in need of a power supply. I was
originally considering the Astron RS35M and am curious if linear or
switching is the proper choice? Is there a
Hi!
I will do one more demonstration today from the Yuma AZ hamfest on FO29
at 2331 UTC today. If you are on that pass, please feel free to call
WD9EWK on there.
73!
Patrick WD9EWK/VA7EWK
http://www.wd9ewk.net/
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At 12:26 PM 2/18/2011, Vince Fiscus, KB7ADL wrote:
>At 12:01 PM 2/18/2011 -0900, "Edward R. Cole" wrote:
> >I am rebuilding my 4.2kV PS for the 2m-8877.
>
>
>That'll get you into AO-51. ;-)
Not me! I'm not getting the blame for melting the AO-51 receiver.
> >I was 14 years old when working o
I have been slackin, did they put it out or is it still postponed???
Kevin
KF7MYK
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I expect to be QRV on AO7 at 19/1703Z near the middle of the band if the
local winds don't get too out of hand overnight. CW will be the mode at
least at first. SSB will be available but I frequently have a hard time
hearing my downlink with lower elevation passes, and this one will top
off at abou
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