[OZAPRS] 434 MHz GPS Tracker

Mon Aug 17 20:57:18 EST 2009

I have another 434.920 MHz tx from jaycar - 5 volts $12 10mW

I am trying co channel interfernce on my tracker

Tracker is winning at 64 kHz


----------------------------------------------------------
Andrew Rich
Amateur Radio Callsign VK4TEC
email: vk4tec at tech-software.net
web: www.tech-software.net
----- Original Message ----- 
From: "Michael Carey" <michaelcarey at internode.on.net>
To: "Andrew Rich (Home)" <vk4tec at tech-software.net>; "Australian APRS Users" 
<ozaprs at aprs.net.au>
Sent: Monday, August 17, 2009 8:27 PM
Subject: Re: [OZAPRS] 434 MHz GPS Tracker


> Plus Ford Falcon key fobs and others too!
>
>
> Andrew Rich (Home) wrote:
>> Curious situation huh
>>
>> You can jam ur complete suburbs garage door openers by sending SSTV on
>> 434 MHz
>>
>>
>> ----------------------------------------------------------
>> Andrew Rich
>> Amateur Radio Callsign VK4TEC
>> email: vk4tec at tech-software.net
>> web: www.tech-software.net
>> ----- Original Message ----- From: "Andrew Rich (Home)"
>> <vk4tec at tech-software.net>
>> To: "Hamish Moffatt" <hamish at cloud.net.au>; "Australian APRS Users"
>> <ozaprs at aprs.net.au>
>> Sent: Monday, August 17, 2009 7:26 PM
>> Subject: Re: [OZAPRS] 434 MHz GPS Tracker
>>
>>
>>> LIPD 433.05-434.79 25mW
>>> Ham Radio 420-450 MHz Any emission mode 120 watts
>>>
>>> Subject to section 15, the licensee must not operate an amateur advanced
>>> station, using a transmitter output power of more than 400 watts pX,
>>> if the
>>> emission mode of the station includes:
>>> (a) C3F; or
>>>
>>> (b) J3E; or
>>>
>>> (c) R3E.
>>>
>>> (2) Subject to section 15, the licensee must not operate an amateur
>>> advanced
>>> station, with an emission mode not mentioned in subsection (1), using a
>>> transmitter output power of more than 120 watts pY.
>>>
>>>
>>>
>>> For paragraph 4 (1) (b) of the Radiocommunications (Low Interference
>>> Potential Devices) Class Licence 2000, a radiocommunications device
>>> operating in the frequency band 433.05-434.79 MHz in accordance with
>>> that
>>> Class Licence (except for that paragraph) is taken not to cause
>>> interference
>>> to an amateur repeater station.
>>>
>>>
>>>
>>> ----------------------------------------------------------
>>> Andrew Rich
>>> Amateur Radio Callsign VK4TEC
>>> email: vk4tec at tech-software.net
>>> web: www.tech-software.net
>>> ----- Original Message ----- From: "Hamish Moffatt"
>>> <hamish at cloud.net.au>
>>> To: "Andrew Rich (Home)" <vk4tec at tech-software.net>; "Australian APRS
>>> Users"
>>> <ozaprs at aprs.net.au>
>>> Cc: <rodney at melecom.com.au>
>>> Sent: Monday, August 17, 2009 6:50 PM
>>> Subject: Re: [OZAPRS] 434 MHz GPS Tracker
>>>
>>>
>>>> Those modules operate under the LIPD class license anyway don't they?
>>>> Unless you have bumped up the power or modified it in some way.
>>>>
>>>>
>>>> Hamish
>>>>
>>>> On Mon, Aug 17, 2009 at 06:02:24PM +1000, Andrew Rich (Home) wrote:
>>>>> The only other things on that freq is
>>>>>
>>>>> garage door openers, wireless weather stations and power monitors.
>>>>>
>>>>> I am flat out hearing any body on 70cm these days
>>>>>
>>>>>
>>>>> ----------------------------------------------------------
>>>>> Andrew Rich
>>>>> Amateur Radio Callsign VK4TEC
>>>>> email: vk4tec at tech-software.net
>>>>> web: www.tech-software.net
>>>>> ----- Original Message ----- From: "Mitch" <rodney at melecom.com.au>
>>>>> To: "Andrew Rich (Home)" <vk4tec at tech-software.net>; "Australian APRS
>>>>> Users" <ozaprs at aprs.net.au>
>>>>> Sent: Monday, August 17, 2009 5:39 PM
>>>>> Subject: Re: [OZAPRS] 434 MHz GPS Tracker
>>>>>
>>>>>
>>>>>
>>>>> If it operates in the Ham band I'm not sure that a beacon transmitting
>>>>> irregardless of any other concurrent transmissions is wise...it
>>>>> could be
>>>>> a
>>>>> potential interference issue?
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> Completed
>>>>>>
>>>>>> http://tech-software.net/tracker%200501.JPG
>>>>>>
>>>>>> ----------------------------------------------------------
>>>>>> Andrew Rich
>>>>>> Amateur Radio Callsign VK4TEC
>>>>>> email: vk4tec at tech-software.net
>>>>>> web: www.tech-software.net
>>>>>> ----- Original Message -----
>>>>>> From: "Andrew Rich (Home)" <vk4tec at tech-software.net>
>>>>>> To: "James Cameron" <vk2lqz at wia.org.au>; "Australian APRS Users"
>>>>>> <ozaprs at aprs.net.au>
>>>>>> Sent: Saturday, August 15, 2009 6:35 PM
>>>>>> Subject: Re: [OZAPRS] 434 MHz GPS Tracker
>>>>>>
>>>>>>
>>>>>>> No
>>>>>>>
>>>>>>> No
>>>>>>>
>>>>>>> Dunno
>>>>>>>
>>>>>>> ----------------------------------------------------------
>>>>>>> Andrew Rich
>>>>>>> Amateur Radio Callsign VK4TEC
>>>>>>> email: vk4tec at tech-software.net
>>>>>>> web: www.tech-software.net
>>>>>>> ----- Original Message -----
>>>>>>> From: "James Cameron" <vk2lqz at wia.org.au>
>>>>>>> To: "Andrew Rich (Home)" <vk4tec at tech-software.net>; "Australian
>>>>>>> APRS
>>>>>>> Users" <ozaprs at aprs.net.au>
>>>>>>> Sent: Saturday, August 15, 2009 4:25 PM
>>>>>>> Subject: Re: [OZAPRS] 434 MHz GPS Tracker
>>>>>>>
>>>>>>>
>>>>>>>> On Sat, Aug 15, 2009 at 08:40:58AM +1000, Andrew Rich (Home) wrote:
>>>>>>>>> Work continues on my 434 MHz GPS tracker
>>>>>>>>> 19k2 baud rate
>>>>>>>>> Range 3 km's
>>>>>>>>
>>>>>>>> Neat.
>>>>>>>>
>>>>>>>> I note the PIC 16F628.  Is the code available under an open
>>>>>>>> source license, or is there any collaboration opportunity?
>>>>>>>>
>>>>>>>> I note the transmitter module.  Where can one obtain these modules
>>>>>>>> pretuned for 70cm amateur frequencies?
>>>>>>>>
>>>>>>>> -- 
>>>>>>>> James Cameron
>>>>>>>> http://quozl.linux.org.au/
>>>>>>>
>>>>>>>
>>>>>>> --------------------------------------------------------------------------------
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> No virus found in this incoming message.
>>>>>>> Checked by AVG - www.avg.com
>>>>>>> Version: 8.5.392 / Virus Database: 270.13.57/2303 - Release Date:
>>>>>>> 08/14/09
>>>>>>> 18:10:00
>>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Ozaprs mailing list
>>>>>> Ozaprs at aprs.net.au
>>>>>> http://aprs.net.au/mailman/listinfo/ozaprs
>>>>>>
>>>>>> -- 
>>>>>> This message has been scanned for viruses and
>>>>>> dangerous content by MailScanner, and is
>>>>>> believed to be clean.
>>>>>> Supported by melecom with a Fedora server.
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> -- 
>>>>> ----------------------------------
>>>>> Rodney Mitchell
>>>>> Manager, Technical Officer
>>>>> --------------------------
>>>>> Mitchell Electronics + Computers
>>>>> 73 Fiveash Drive
>>>>> Pasadena  5042
>>>>>
>>>>> PH/FAX: 08 8276 2939
>>>>>
>>>>> www.melecom.com.au
>>>>> VK5KFB
>>>>> --------------------------------------------------
>>>>>
>>>>>
>>>>> --------------------------------------------------------------------------------
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> No virus found in this incoming message.
>>>>> Checked by AVG - www.avg.com
>>>>> Version: 8.5.392 / Virus Database: 270.13.58/2306 - Release Date:
>>>>> 08/16/09 06:09:00
>>>>>
>>>>> _______________________________________________
>>>>> Ozaprs mailing list
>>>>> Ozaprs at aprs.net.au
>>>>> http://aprs.net.au/mailman/listinfo/ozaprs
>>>>
>>>> -- 
>>>> Hamish Moffatt VK3SB <hamish at debian.org> <hamish at cloud.net.au>
>>>
>>>
>>> --------------------------------------------------------------------------------
>>>
>>>
>>>
>>>
>>> No virus found in this incoming message.
>>> Checked by AVG - www.avg.com
>>> Version: 8.5.392 / Virus Database: 270.13.58/2308 - Release Date:
>>> 08/16/09
>>> 21:46:00
>>>
>>> _______________________________________________
>>> Ozaprs mailing list
>>> Ozaprs at aprs.net.au
>>> http://aprs.net.au/mailman/listinfo/ozaprs
>>
>>
>> --------------------------------------------------------------------------------
>>
>>
>>
>>
>> No virus found in this incoming message.
>> Checked by AVG - www.avg.com
>> Version: 8.5.392 / Virus Database: 270.13.58/2308 - Release Date:
>> 08/16/09 21:46:00
>>
>> _______________________________________________
>> Ozaprs mailing list
>> Ozaprs at aprs.net.au
>> http://aprs.net.au/mailman/listinfo/ozaprs
>>


--------------------------------------------------------------------------------


No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 8.5.392 / Virus Database: 270.13.58/2308 - Release Date: 08/16/09 
21:46:00

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