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[aprssig] Ideal Tracker Spec

Steve Noskowicz noskosteve at yahoo.com
Wed Dec 5 23:54:04 UTC 2012


I'm thinking about battery size and duration.

OK.  I wonder what I draw the CNSP payloads have.  They have something like 60 hours run time.  Their draw must be something like 16.7 ma. which is for 1000 mah battery (I'm guessing - which I think they could have in that small payload).

Your ARM unit would need 15 Amp-Hours of battery (Ignoring the TX part as an estimate).  It this correct?

73, Steve, K9DCI


 



73, Steve, K9DCI  USN (Vet)  MOT (Ret)  Ham (Yet)

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--- On Wed, 12/5/12, Bryan Hoyer <bhhoyer at gmail.com> wrote:

> From: Bryan Hoyer <bhhoyer at gmail.com>
> Subject: Re: [aprssig] Ideal Tracker Spec
> To: "TAPR APRS Mailing List" <aprssig at tapr.org>
> Date: Wednesday, December 5, 2012, 4:35 PM
> Preliminary Current at 12VDC
> 
> Receive ~250ma
> Transmit 25W 5A
> 
> Bryan
> 
> On Dec 5, 2012, at 12:32 PM, Steve Noskowicz <noskosteve at yahoo.com>
> wrote:
> 
> > 
> > That's a lot of bandwidth. What kind of power
> consumption?
> > 
> > 
> > 73, Steve, K9DCI  USN (Vet)  MOT (Ret) 
> Ham (Yet)
> > 
> > 
> > --- On Wed, 12/5/12, Bryan Hoyer <bhhoyer at gmail.com>
> wrote:
> >> We are currently implementing a
> >> Tracker Function for our UDR56K radio with a USB
> GPS. (For
> >> more info on the radio www.nwdigitalradio.com)
> >> 
> >> Most trackers are implemented in small micros with
> limited
> >> resources whereas we have an 800MHz Arm (no
> floating point)
> >> running Linux 3.x kernel. The project will be
> open-sourced.
> >> 
> >> Time to think outside the box. We have access to
> RSSI which
> >> is absent in the conventional GPS>TNC>RADIO
> model.
> >> 
> >> What features are must haves and what feature have
> you
> >> always wanted.
> >> 
> >> I assume you've all been nice this year, you have
> Santa's
> >> ear
> >> Bryan Hoyer K7UDR
> > 
> > _______________________________________________
> > aprssig mailing list
> > aprssig at tapr.org
> > https://www.tapr.org/cgi-bin/mailman/listinfo/aprssig
> 
> 
> _______________________________________________
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> 



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