[hpsdr] Atlas orientation in Pandora...

Mon Mar 16 08:37:00 PDT 2009

Thanks for the clarification, John.  I guess I hadn't realized that
provision had already been made to handle Alex as you described. I'll go
take a closer look at the pictures on the Wiki. Sounds like this will
work nicely.

Pete

> -----Original Message-----
> From: hpsdr-bounces at lists.hpsdr.org [mailto:hpsdr-
> bounces at lists.hpsdr.org] On Behalf Of John Ackermann N8UR
> Sent: Monday, March 16, 2009 11:12 AM
> To: Mike Stevenson
> Cc: Thompson, Peter; hpsdr at hpsdr.org
> Subject: Re: [hpsdr] Atlas orientation in Pandora...
> 
> ***** High Performance Software Defined Radio Discussion List *****
> 
> I'm not quite sure what you're driving at.
> 
> Pandora is designed for all connectors on the boards and on Alex to be
> accessible from the back of the case.
> 
> In case it wasn't clear, Alex mounts with its connectors sticking out
> the back of the box, so you can easily make the interconnections
> between
> Merc, Penny, and Alex from the outside.  The only internal cabling is
> the Alex controller cable.
> 
> We will have some extra holes drilled to allow you to route lines
from,
> e.g., a Pennywhistle mounted inside, back to the rear panel.  Current
> thinking is to provide two holes above the Alex connectors for
> amplifier
> in/out.
> 
> There will also be some holes in the front of the case for mic,
> headphone, etc., connections if you want to install those.  (All these
> extra holes will be either 7/32 or 1/4 inch, haven't finalized that
> yet,
> with the idea that users can then drill them out to whatever size
their
> chosen connector requires.)
> 
> We envisioned two classes of users:
> 
> (a) operators, who probably want all the cabling at the back of the
> box,
> and who would mount mic/headphone/key connectors on the front panel
and
> route them to the rear.  That gives a nice finished looking project on
> the front.  (And, by the way, for SDR-1000 users, the footprint is
such
> that the SDR-1000 can sit on top of Pandora.)
> 
> (b) experimenters, for whom the back panel is really the front.
> They'll
> turn the box around and have all the connectors facing forward for
easy
> access.
> 
> Reversing Atlas so the boards pointed in would have required a totally
> different enclosure design, and probably a larger box to make room for
> all the cabling.  That just wasn't what we had in mind for the
project.
> 
> John
> ----
> Mike Stevenson wrote:
> > ***** High Performance Software Defined Radio Discussion List *****
> >
> > I agree. I do not see how all this connects up in practice.
> >
> > Mike G8ALS
> >
> >
> > ----- Original Message ----- From: <Thompson_Peter at emc.com>
> > To: <hpsdr at hpsdr.org>
> > Sent: Monday, March 16, 2009 2:26 PM
> > Subject: [hpsdr] Atlas orientation in Pandora...
> >
> >
> >> ***** High Performance Software Defined Radio Discussion List *****
> >>
> >> If I'm right in thinking that Pandora will have sufficient internal
> >> space to accommodate Alex and PennyWhistle (or perhaps even a more
> >> powerful/larger PA) might it not make more sense to orient Alex
such
> >> that the connectors (BNC, etc) on the edges of Mercury, Penelope
are
> on
> >> the inside rather than sticking out the back of the cabinet - since
> >> they're almost certainly going to be routed to the additional
> hardware
> >> such as Alex, and Alex's connectors will be the point of connection
> for
> >> antennas.  Maybe there should be provision for access to Alex from
> the
> >> back panel?
> >>
> >> Pete, N3EVL
> >>
> >>> -----Original Message-----
> >>> From: hpsdr-bounces at lists.hpsdr.org [mailto:hpsdr-
> >>> bounces at lists.hpsdr.org] On Behalf Of John Ackermann N8UR
> >>> Sent: Monday, March 16, 2009 9:40 AM
> >>> To: HPSDR Reflector
> >>> Subject: [hpsdr] [Fwd: HPSDR Announcement: Pandora Enclosure
> Interest
> >>> List]
> >>>
> >>> ***** High Performance Software Defined Radio Discussion List
*****
> >>>
> >>> Reminder -- just one more day to sign up for the Pandora interest
> >> list!
> >>>
> >>> John
> >>>
> >>> -------- Original Message --------
> >>> Subject: HPSDR Announcement: Pandora Enclosure Interest List
> >>> Date: Tue, 03 Mar 2009 21:59:15 -0500
> >>> From: John Ackermann N8UR <jra at febo.com>
> >>> To: lpu-announce at tapr.org, tapr-announce at tapr.org
> >>>
> >>> *** TAPR ANNOUNCES NEW HPSDR ENCLOSURE***
> >>> High Performance Software Defined Radio Project (HPSDR)
> >>> *IMPORTANT*
> >>>
> >>> 3 March 2009
> >>>
> >>> TAPR and HPSDR need your input on the Pandora enclosure for Atlas
> and
> >>> related HPSDR projects!
> >>>
> >>> Pandora is a professionally manufactured painted aluminum case
that
> >>> will
> >>> hold Atlas and attached boards, the LPU power supply, and the Alex
> >>> filter set, with room left over for other goodies.  It includes
> >>> numerous
> >>> ventilation slots and has provision for a cooling fan.
> >>>
> >>> Design work is finished, prototypes are being fabricated as I type
> >>> this,
> >>> and we hope to start delivery in May/June 2009.  If we can do 500
> >>> units,
> >>> we estimate the price to be $99 for TAPR members and $109 for
> >>> non-members (plus shipping).
> >>>
> >>> More information about Pandora, including some CAD renderings, is
> >>> available at http://hpsdr.org/wiki/index.php?title=PANDORA
> >>>
> >>> Please go to the link below and indicate your interest by March
> 17th,
> >>> 2009.  Enclosure quantities will be determined by the collective
> >>> expression of interest on this date.  (We anticipate starting the
> >> order
> >>> process not long after the interest list closes.)
> >>>
> >>> To register your interest you need to go to Dale's (WA8SRA) HAMSDR
> >>> website, in the projects section.
> >>>
> >>> If you are a member and have previously expressed interest in
these
> >>> projects, log in and re-enter your Quantities of each board.
> >>>
> >>> If you are new to HPSDR and Dale's Website, please join for
instant
> >>> access by providing the information requested.
> >>>
> >>> Go NOW to: HTTP://www.hamsdr.com
> >>>
> >>> Login and go to Projects > TAPR-HPSDR and follow instructions
> provided
> >>> on that page.
> >>>
> >>> What is HPSDR?    http://hpsdr.org
> >>> What is Pandora?    http://hpsdr.org/wiki/index.php?title=PANDORA
> >>>
> >>> There are many other HPSDR projects in design and testing; please
> see
> >>> the HPSDR.org website for details.
> >>>
> >>>
> >>>
> >>> _______________________________________________
> >>> HPSDR Discussion List
> >>> To post msg: hpsdr at hpsdr.org
> >>> Subscription help: http://lists.hpsdr.org/listinfo.cgi/hpsdr-
> hpsdr.org
> >>> HPSDR web page: http://hpsdr.org
> >>> Archives: http://lists.hpsdr.org/pipermail/hpsdr-hpsdr.org/
> >>
> >> _______________________________________________
> >> HPSDR Discussion List
> >> To post msg: hpsdr at hpsdr.org
> >> Subscription help: http://lists.hpsdr.org/listinfo.cgi/hpsdr-
> hpsdr.org
> >> HPSDR web page: http://hpsdr.org
> >> Archives: http://lists.hpsdr.org/pipermail/hpsdr-hpsdr.org/
> >>
> >
> > _______________________________________________
> > HPSDR Discussion List
> > To post msg: hpsdr at hpsdr.org
> > Subscription help: http://lists.hpsdr.org/listinfo.cgi/hpsdr-
> hpsdr.org
> > HPSDR web page: http://hpsdr.org
> > Archives: http://lists.hpsdr.org/pipermail/hpsdr-hpsdr.org/
> 
> _______________________________________________
> HPSDR Discussion List
> To post msg: hpsdr at hpsdr.org
> Subscription help: http://lists.hpsdr.org/listinfo.cgi/hpsdr-hpsdr.org
> HPSDR web page: http://hpsdr.org
> Archives: http://lists.hpsdr.org/pipermail/hpsdr-hpsdr.org/

 1237217820.0