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[aprssig] more kayak and aprs

Kurt A. Freiberger kurt at badgers-hill.net
Sat Aug 30 15:50:53 UTC 2008


Could the buoy that Bob was playing with be modified to fit?

73/Kurt


Jan T. Pharo wrote:
> jimlux <jimlux at earthlink.net>, Thu, 28 Aug 2008 05:42:45 -0700
> 
>> So, another approach to the desire to
>> a) know the position of the kayak
>> b) get it to something like FindU
>>
>> is to get a marine VHF radio with DSC (which can send a GPS position) 
>> for the kayak, and set up a DSC receiver in the car, tied to a APRS 
>> transmitter.
> 
> You will probably have the same problem with the marine VHF (160 MHZ)
> as with your 145 MHz amateur equipment: same frequency (2m), same wave
> distribution properties.
> 
> The signals from a 5W handheld marine trx won't reach your car unless
> the 5W handheld amateur trx does the same.
> 
> calls with position om marine channel 70 will probably reach the
> coastal station, but won't be retransmitted from there unless it's a
> distress signal (AFAIK from being a marine VHF user). So there might
> be practical issues in addition to the possible legal ones.
> In the area you're talking about, is there a hilltop digi which cover
> the area where you will be navigating? In that case, your amateur APRS
> signals will be digied from there and reach (1) your car; (2) all APRS
> stations within hearing range of the digi, most probably also some
> Igate.
> 

-- 
Kurt A. Freiberger     Austin, TX	kurt at badgers-hill.net
Amateur Radio Callsign WB5BBW  		AIM Handle: WB5BBW
        "Reputation is what other people know about you.
            Honor is what you know about yourself."
         - Lois McMaster Bujold - "A Civil Campaign"




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