[OZAPRS] Fw: HF frequency drift reports ...?

[VK4UN]

Just to add a bit more regarding the callsign VK3FPF Mike it does show that 
callsign still being available on the ACMA web site



> Hi Mike, I have a curious question the call sign VK3FPF doesn't come up on 
> the ACMA Database, was trying to look up where you are located, any ideas 
> why??
>
> 73's
>
> David   VK4UN
>
> ----- Original Message ----- 
> From: "OE3MZC Mike" <oe3mzc at oevsv.at>
> To: <vk2io at amsat.org>; "'Australian APRS Users'" <ozaprs at aprs.net.au>
> Sent: Thursday, June 30, 2011 5:01 PM
> Subject: Re: [OZAPRS] HF frequency drift reports ...?
>
>
>> An entry in the list will always represent the last packet heard.
>> There is also a maximum number of entries to this list (32 I guess)...
>> So it can be some days old of course if not much traffic and only some
>> stations heard.
>> Still I think it is helpful to compare your own frequency compared to
>> others.
>> It is not meant to measure in absolute terms.
>> (Which means: VK6UZ-4 is also offset a bit-- but his DSP-TNC will
>> successfully decode plus/minus 400Hz from center QRG)
>> 73 de Mike
>> VK3FPF/OE3MZC
>>
>>
>> -----Original Message-----
>> From: ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au] On
>> Behalf Of Gerard Hill
>> Sent: Donnerstag, 30. Juni 2011 06:02
>> To: Australian APRS Users
>> Subject: Re: [OZAPRS] HF frequency drift reports ...?
>>
>> Hi Terry,
>>
>> I would not be too concerned. Frequency reports in the list do not seem 
>> to
>> expire, so they'll stay there until reset. I think the list was reset or 
>> is
>> not being transmitted at the moment because the beacon has stopped.
>>
>> Sending the report is a good idea - thanks VK6UZ! Its an automated system
>> though so you need to do your own verification. For example, I am sure 
>> that
>> VK2TV-4 is not 143 Hz low. Other entries in the list are, as far as I can
>> tell, reasonably accurate with a slight tendency to report too low a
>> frequency.
>>
>> Oh and Dave, I miss VNG too. Used to use 7.5 MHz reference a lot.
>>
>> Cheers ... Gerard, VK2IO
>>
>> On 30/06/2011 1:23 PM, Terry Neumann wrote:
>>>
>>> It doesn't take a lot to confuse me these days. OK I'll admit it. I am
>>> confused by the list of stations Mike has copied below.
>>>
>>> I've checked for myself and that's more or less what the site is
>>> delivering in real time at this moment.
>>>
>>> My station is one of those listed with today's date. It hasn't been on
>>> HF APRS since I returned from our Flinders Ranges trip over a couple
>>> of weeks ago:
>>>
>>> http://aprs.fi/?call=vk5atn-15&mt=m&z=11&timerange=86400
>>> <http://aprs.fi/?call=vk5atn-15&mt=m&z=11&timerange=86400> gives the
>>> true picture. It's in the shed with the HF rig off and the 20 metre
>>> whip on the bar. (I just checked)
>>>
>>> So why is it appearing in the lists for today? And all of those going
>>> back over the past day or so?
>>>
>>> Simple answers only please - type slowly .......
>>>
>>> Puzzled 73
>>> Terry
>>>
>>>
>>> Date: Wed, 29 Jun 2011 13:37:07 +0200
>>>> From: "Mike Zwingl oe3mzc"<oe3mzc at oevsv.at>
>>>> Subject: [OZAPRS] QRG drift  HF APRS
>>>> To: "Australian APRS Users"<ozaprs at aprs.net.au>
>>>> Message-ID:<00ed01cc3650$e08f6800$cda8a8c0 at WORKSTATION>
>>>> Content-Type: text/plain; charset="iso-8859-1"
>>>>
>>>> see how all stations on 10Mhz are drifting offset in QRG:
>>>> 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>APU25N,TCPIP*,qAC,T2AUST:=3211.17S/11604.17E&HF-IGATE
>>>> 10147.6USB Perth
>>>> 2011-06-29 11:29:01 UTC: 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>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>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>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>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>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>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>APRS,TCPIP*,qAC,T2AUST:>dF (Hz):
>>>> VK4UN-15 +43, VK8LM +50, VK5LY-6 +50, VK3BDG-9 -18
>>>>
>>>
>>>
>>>
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>>
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