[amsat-bb] Tripod for Arrow

Thu Apr 25 21:22:52 UTC 2019

 Geo,
I didn't see an attachment.  Do you mean the Link?
Bob  K8BL
    On Thursday, April 25, 2019, 5:13:56 PM EDT, W3AB/GEO via AMSAT-BB <amsat-bb at amsat.org> wrote:  

 I received it with the attachment.

⁣___
Sent from my two way wrist watch
73 de W3AB/GEO

On Apr 25, 2019, 13:24, at 13:24, "Stephen  E. Belter" <seb at wintek.com> wrote:
>No, the AMSAT-BB removes file attachments.  
>
>In general, you can include hyperlinks (URL's) to webpages, Twitter
>posts, or Dropbox locations.
>
>73, Steve N9IP
>--
>Steve Belter, seb at wintek.com
>
>
>
>On 4/25/19, 8:13 AM, "AMSAT-BB on behalf of W3AB/GEO via AMSAT-BB"
><amsat-bb-bounces at amsat.org on behalf of amsat-bb at amsat.org> wrote:
>
>    Can files be attached?
>    
>    ⁣___
>    Sent from my two way wrist watch
>    73 de W3AB/GEO
>    
>On Apr 24, 2019, 12:58, at 12:58, KE6BLR Robert via AMSAT-BB
><amsat-bb at amsat.org> wrote:
>    >Here is a link to a photo of the Arrow on the Amazon tripod:
>    >
>    >https://twitter.com/MachaleRobert/status/1121138773394255872
>    >
>    >On Wed, Apr 24, 2019 at 12:30 PM Ryan Noguchi via AMSAT-BB <
>    >amsat-bb at amsat.org> wrote:
>    >
>  >>  There have already been a lot of good comments on the list on why
>  >> handheld antennas work a lot better if you can manage it, and I'm
> >> definitely in that camp. My experience with my home station (an Elk
>    >on a
>    >> tripod in the attic with an azimuth-only TV rotator and a fixed
>    >elevation
>    >> of about 18 degrees) also corroborates this, as I find that
>    >mismatched
> >> elevation makes very little difference, but mismatched polarization
>    >makes a
>    >> huge difference.
>    >>
>  >> When I was confined to a fixed location, one trick that I've found
>    >helped
> >> is to suspend the tip of the antenna to bear part of its weight. In
>    >my back
>  >> yard, I have strung up some horizontal (non-conductive) lines that
>    >are at
>  >> about the right height for me to hold the Arrow horizontal with my
>    >arm
>  >> extended and the tip of the antenna resting on the line, with line
>    >"hooked"
>  >> on the forward-most element. This saves a lot of fatigue on those
>    >long
>>> portions of the pass when the elevation angle is low, provides added
>    >height
> >> to reduce the workable elevation angle, and enables almost complete
>    >freedom
> >> of rotation for polarization. I've used this approach with both the
>    >Elk and
>>> the Arrow to good effect. It does require a little more practice and
>    >> attention with the Arrow due to the crossed geometry, but it was
>    >certainly
>    >> very workable. I have the lines strung out in three directions
>    >optimized
>  >> for different pass geometries, which was more useful for the Arrow
>    >than the
>>> Elk. I don't use them much any more since I got over my fear of
>being
>    >> "outed" and started operating in full view of the public.
>    >>
>    >>
>  >> Operating completely pedestrian-portable is also very handy if you
>    >have to
>>> move during the pass to clear obstructions or distance yourself from
>    >> (audio) noise sources. Operating writing-hand-free can be very
>    >doable, even
>  >> without VOX. I hold the antenna with one hand, and leave the other
>    >hand
>    >> free for tuning, logging in real time, pressing the earpiece PTT
>    >switch,
>    >> and occasionally holding an umbrella.
>    >>
>    >>
>    >> 73, Ryan AI6DO
>    >> _______________________________________________
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>    >> expressed
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>views
>    >of
>    >> AMSAT-NA.
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>    >_______________________________________________
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>    >to all interested persons worldwide without requiring membership.
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>    _______________________________________________
>  Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
>to all interested persons worldwide without requiring membership.
>Opinions expressed
>are solely those of the author, and do not reflect the official views
>of AMSAT-NA.
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>program!
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>    
_______________________________________________
Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
to all interested persons worldwide without requiring membership. Opinions expressed
are solely those of the author, and do not reflect the official views of AMSAT-NA.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb