[OZAPRS] QRG drift HF APRS
Ray Wells
vk2tv at exemail.com.au
Sat Jul 2 09:02:25 EST 2011
Thanks Mark,
It's very Irish!!
Ray vk2tv
On 02/07/11 08:53, Mark Austin wrote:
> G'Day Ray,
> Have a look at
> http://lists.aprs.net.au/pipermail/ozaprs/2010-May/009291.html
> the +78 means VK3MY needs to come up 78Hz to zero beat with VK6UZ-4, not
> that he is 78Hz high
> Regards,
> Mark
>
> On Sat, Jul 2, 2011 at 8:35 AM, Ray Wells <vk2tv at exemail.com.au
> <mailto:vk2tv at exemail.com.au>> wrote:
>
> Mike,
>
> A query re the figures shown at http://aprs.fi/?c=raw&call=__vk6uz-4
> <http://aprs.fi/?c=raw&call=vk6uz-4>
>
> VK3MY-4 is shown with a figure of +78 which suggests he is higher in
> frequency than a station shown as +50, for example.
>
> How can this be so when VK3MY-4 is clearly displayed in a waterfall
> display as being lower in frequency than almost every other station
> and other contributors to this forum have made the same observation?
>
> I know the figures are relative but that relativity suggests that,
> given the number of stations shown as +50, those stations are on the
> correct frequency and VK6UZ-4 is not.
>
> I think we need to decide on a reference (net) station that is on
> frequency and from that known reference, every station would be able
> to use a waterfall display to net to the reference station. Those
> simple steps would eliminate most of the frequency error related
> problems. In fact, if one station was the standard, every other
> station could, by using a waterfall display, become a pseudo
> sub-standard - a bit like calibrating meters.
>
> How many applications are out there with a waterfall display?
>
> For Windoze I know of Digipan and WinMX and,
> for Linux there is fldigi
>
> There may be more applications for both operating systems but since
> I haven't used Windoze for most things for some years I wouldn't
> know and in Linux I've found something that does the job so why look
> any further?
>
> Ray vk2tv
>
>
> On 29/06/11 21:37, Mike Zwingl oe3mzc wrote:
>
> see how all stations on 10Mhz are drifting offset in QRG:
> http://aprs.fi/?c=raw&call=__vk6uz-4
> <http://aprs.fi/?c=raw&call=vk6uz-4>
> <http://aprs.fi/?c=raw&call=__vk6uz-4
> <http://aprs.fi/?c=raw&call=vk6uz-4>>
>
> It is not the absolute but the relative value to each other that
> makes
> the problem in decoding hf-aprs sigs.
> (values after callsigns is given in Hz)
> 2011-06-29 11:24:57 UTC: *VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&__call=VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>>*>APU25N,TCPIP*,__qAC,T2AUST:=3211.17S/11604.__17E&HF-IGATE
>
> 10147.6USB Perth
> 2011-06-29 11:29:01 UTC: *VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&__call=VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>>*>APRS,TCPIP*,__qAC,T2AUST:>dF
>
> (Hz): WIDE1 +100, VK2GKA-15 +50, VK7BW-15 +50, VK8ZAB-4 +25
> 2011-06-29 11:29:02 UTC: *VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&__call=VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>>*>APRS,TCPIP*,__qAC,T2AUST:>dF
>
> (Hz): VK4UN-4 +62, VK5ATN-15 +65, VK5LY-15 +43, VK4KWI-15 +75
> 2011-06-29 11:29:02 UTC: *VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&__call=VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>>*>APRS,TCPIP*,__qAC,T2AUST:>dF
>
> (Hz): VK2AJ-15 +50, KF7EU-6 +25, ZS6SS-3 +62, VK2TV-4 +143
> 2011-06-29 11:29:02 UTC: *VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&__call=VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>>*>APRS,TCPIP*,__qAC,T2AUST:>dF
>
> (Hz): VK3DHI-15 +68, VP8DEU +43, VK2DQC-15 +81, VK4DMI-4 +96
> 2011-06-29 11:29:02 UTC: *VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&__call=VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>>*>APRS,TCPIP*,__qAC,T2AUST:>dF
>
> (Hz): VK4HW-15 +46, VK4VP-15 +25, DL8RCB-3 +100, IW2GOB-10 +100
> 2011-06-29 11:29:02 UTC: *VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&__call=VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>>*>APRS,TCPIP*,__qAC,T2AUST:>dF
>
> (Hz): VK4KMR-15 +46, F5LDS-4 +112, VK2SX-15 +50, LA4FPA-15 +87
> 2011-06-29 11:29:02 UTC: *VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&__call=VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>>*>APRS,TCPIP*,__qAC,T2AUST:>dF
>
> (Hz): VK7DIK-4 +40, VK3MY-4 +65, VK3BZQ-9 +37, VK5LY-4 +43
> 2011-06-29 11:29:02 UTC: *VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&__call=VK6UZ-4
> <http://aprs.fi/?c=raw&limit=&call=VK6UZ-4>>*>APRS,TCPIP*,__qAC,T2AUST:>dF
>
> (Hz): VK4UN-15 +43, VK8LM +50, VK5LY-6 +50, VK3BDG-9 -18
>
> ----- Original Message -----
> *From:* Michael Wain <mailto:vk3hau at bigpond.net.au
> <mailto:vk3hau at bigpond.net.au>>
> *To:* Australian APRS Users <mailto:ozaprs at aprs.net.au
> <mailto:ozaprs at aprs.net.au>>
> *Sent:* Thursday, April 28, 2011 2:01 AM
>
> *Subject:* Re: [OZAPRS] HF APRS with an FT 857D and
> Kantronics KP3
>
> G'day Russ,
>
> Thanks for the reply, I've been meaning to set up a buy /
> sell page
> on the web site, just hav'nt had time, but any way I'll asks
> arould
> for you.
>
> P.S. I also have a web site at vk3hau.com
> <http://vk3hau.com> <http://vk3hau.com> but
>
> the info is a bit old now.
>
>
> Yours sincerely
>
> Michael Wain - VK3HAU
>
> EGARC Inc. Publicity Officer. Ph: 613 - 51411650
>
> On 28/04/2011, at 0:06, "Russell" <ashdown at hunterlink.net.au
> <mailto:ashdown at hunterlink.net.au>
> <mailto:ashdown at hunterlink.__net.au
> <mailto:ashdown at hunterlink.net.au>>> wrote:
>
> Hi Michael,
> Had a look at your club site.....pretty good.
> If you or the club has a KP3 spare I would like to buy
> it and put
> it in service as a digi in our area.
> Russ
> VK2VK
> /-------Original Message-------/
> /*From:*/ Michael Wain <mailto:vk3hau at bigpond.net.au
> <mailto:vk3hau at bigpond.net.au>>
> /*Date:*/ 27/04/2011 23:32:57
> /*To:*/ Australian APRS Users <mailto:ozaprs at aprs.net.au
> <mailto:ozaprs at aprs.net.au>>
> /*Subject:*/ Re: [OZAPRS] HF APRS with an FT 857D and
> Kantronics KP3
>
> The only work out my KPC-3 gets nowa days is beaconing
> my weather
> station from the ui-view32 software, cost me nearly $300
> back in
> the day of packet 16 years ago, and it got a lot of
> work, but now,
> just seats in the corner of the shack tx every 30 mins,
> I have
> always wanted to setup a Igate on hf ( 40mtrs ), oh
> well, one day
> maybe if the wife is not looking at the bank account I
> mite look
> at the KAM.
> Yours sincerely
>
>
> Michael Wain - VK3HAU
>
>
> EGARC Inc. Publicity Officer.
>
> Ph : 613 - 51411650
> Email - <mailto:vk3hau at vk3egc.org
> <mailto:vk3hau at vk3egc.org>>vk3h__au at vk3egc.org
> <mailto:vk3hau at vk3egc.org>
> <mailto:vk3hau at vk3egc.org <mailto:vk3hau at vk3egc.org>>
> Web - http://www.vk3egc.org <http://www.vk3egc.org/>
>
>
> <macbean tartan - sheld1.jpg>< a>
>
>
> ----- Original Message -----
> *From:* Russell <mailto:ashdown at hunterlink.__net.au
> <mailto:ashdown at hunterlink.net.au>>
> *To:* Australian APRS Users <mailto:ozaprs at aprs.net.au
> <mailto:ozaprs at aprs.net.au>>
> *Sent:* Wednesday, April 27, 2011 9:46 PM
>
> *Subject:* Re: [OZAPRS] HF APRS with an FT 857D and
> Kantronics KP3
>
> Hi Shaun,
> I've been running a Kantronics KP3 ($80 on VKHAM) with a
> IC2820 at
> my shack for about three month now and it works a treat,
> VK2VK-5. (2M)
> Software is Ui-View and running KISS on the KP3
> I have just landed a *Kantronics All mode "KAM"* (runs
> HF and VHF)
> from UK for $120 AU.
> Hoping to be on HF within the week if work allows. I
> also have a
> FT-857D that I hope to run my HF Igate on.
> If I can be of any assistance give me a yell.
> For your info.
> Regards
> Russ
> VK2VK-5 Central Coast Igate
> /-------Original Message-------/
> /*From:*/ Shaun <mailto:shaunbaby at optusnet.__com.au
> <mailto:shaunbaby at optusnet.com.au>>
> /*Date:*/ 27/04/2011 09:30:32
> /*To:*/ Australian APRS Users <mailto:ozaprs at aprs.net.au
> <mailto:ozaprs at aprs.net.au>>
> /*Subject:*/ Re: [OZAPRS] HF APRS with an FT 857D and
> Kantronics KP3
>
> OK, I set the TNC back to 2m 1200 settings and all
> working fine,
> so it would
> appear the 200 vs 800hz was the issue. Silly that Kantronics
> didn't address
> the issue rather than just telling you it won't work.
> I set my symbol to a bike as I had never really worked
> out how to
> do that part
> or the set up although for today I think I should change
> it to a
> boat with
> this rain!
> And for the info of the APRS.net.au <http://APRS.net.au>
> <http://APRS.net.au> people
>
> this link is broken in the
> configurations page:
> <http://web.ew.usna.edu/~__bruninga/aprs/symbolsX.txt
> <http://web.ew.usna.edu/%7Ebruninga/aprs/symbolsX.txt>>htt__p://web.ew.usna.edu/~bruninga/__aprs/symbolsX.txt
> <http://web.ew.usna.edu/%7Ebruninga/aprs/symbolsX.txt>
>
> Once again, thanks for all your help. Even though it
> didn't work I
> now have a
> better understanding of this part of our hobby.
> 73
> Shaun VK2XPP-9
> On Wed, 27 Apr 2011 05:43:28 Shaun wrote:
> > Thanks Terry,
> >
> > This explains a lot, and although not the outcome I was
> looking
> for, your
> > help has saved me a lot of time.
> >
> > Anyone got a cheep 300 baud 200 hz modem going?
> >
> > Thanks to all that contributed.
> >
> > 73
> >
> > Shaun VK2XPP-9 for now.
> >
> _________________________________________________
> OZAPRS mailing list
> <mailto:OZAPRS at aprs.net.au
> <mailto:OZAPRS at aprs.net.au>>OZA__PRS at aprs.net.au
> <mailto:OZAPRS at aprs.net.au>
> <mailto:OZAPRS at aprs.net.au <mailto:OZAPRS at aprs.net.au>>
> <http://lists.aprs.net.au/__mailman/listinfo/ozaprs
> <http://lists.aprs.net.au/mailman/listinfo/ozaprs>>http:/__/lists.aprs.net.au/mailman/__listinfo/ozaprs
> <http://lists.aprs.net.au/mailman/listinfo/ozaprs>
>
>
> ------------------------------__------------------------------__------------
>
> _________________________________________________
> OZAPRS mailing list
> OZAPRS at aprs.net.au <mailto:OZAPRS at aprs.net.au>
> <mailto:OZAPRS at aprs.net.au <mailto:OZAPRS at aprs.net.au>>
>
> http://lists.aprs.net.au/__mailman/listinfo/ozaprs
> <http://lists.aprs.net.au/mailman/listinfo/ozaprs>
>
> _________________________________________________
> OZAPRS mailing list
> OZAPRS at aprs.net.au <mailto:OZAPRS at aprs.net.au>
> <mailto:OZAPRS at aprs.net.au <mailto:OZAPRS at aprs.net.au>>
>
> http://lists.aprs.net.au/__mailman/listinfo/ozaprs
> <http://lists.aprs.net.au/mailman/listinfo/ozaprs>
>
>
>
> ------------------------------__------------------------------__------------
>
> _________________________________________________
> OZAPRS mailing list
> OZAPRS at aprs.net.au <mailto:OZAPRS at aprs.net.au>
> http://lists.aprs.net.au/__mailman/listinfo/ozaprs
> <http://lists.aprs.net.au/mailman/listinfo/ozaprs>
>
>
>
> _________________________________________________
> OZAPRS mailing list
> OZAPRS at aprs.net.au <mailto:OZAPRS at aprs.net.au>
> http://lists.aprs.net.au/__mailman/listinfo/ozaprs
> <http://lists.aprs.net.au/mailman/listinfo/ozaprs>
>
>
> _________________________________________________
> OZAPRS mailing list
> OZAPRS at aprs.net.au <mailto:OZAPRS at aprs.net.au>
> http://lists.aprs.net.au/__mailman/listinfo/ozaprs
> <http://lists.aprs.net.au/mailman/listinfo/ozaprs>
>
>
>
>
> _______________________________________________
> OZAPRS mailing list
> OZAPRS at aprs.net.au
> http://lists.aprs.net.au/mailman/listinfo/ozaprs
More information about the OZAPRS
mailing list