13322Re: [tracker2] Re: Not transmitting while moving
- Dec 12, 2011The antenna is probably where I'd start. I get much better results from
a more rigid 5/8 wave than the thin 1/4 wave magmounts while moving.
On 12/9/2011 1:24 PM, francois.rogez wrote:
> --- In firstname.lastname@example.org <mailto:tracker2%40yahoogroups.com>,
> "francois.rogez" <ffdef@...> wrote:
> > Hi there, just joined and looking for help with a new T2-301.
> > Setup:
> > ADS-GM1 GPS Receiver plugged into serial port B (using ADS splitter
> > I use port A to run OTWINCFG using Parallel on a mac for setup, or
> ZTERM for looking at received waypoints
> > power is provided from my car battery through ADS serial+power cable
> > Currently, I have turned off smart beaconing and trying to transmit
> every minute (planning to slow this down and use smart beaconing as soon
> as I finished troubleshooting).
> > I can see packets on aprs.fi almost every minutes while stopped, but
> almost no packet while driving.
> > Any suggestions on how to make this work while moving?
> > Thanks
> > WZ6FR-2
> Thank you all for the good suggestions
> After driving with a D72 in the car, I receive good packets on the
> hand-held almost every time ( a few open the squelch, but don't display
> - I assume those are corrupted)
> So, the GPS and tracker are fine, and the remaining problem is either RF
> or path related.
> Using aprs.fi, I see several people being tracked very well in the same
> general area.
> Given the fairly good performance while parked, I am guessing that the
> setting is ok, but that moving degrades the RF performance enough to
> become unusable.
> Any suggestion on improving performance?
> Current setup: T2-301 with power level set at 99 (~9W?), 2m/70cm
> magnetic antenna on roof of the car.
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