[MLB-WIRELESS] Debugging 915mhz weather station?

[Andrew van Slageren]

Or hack up one of these for a 900mhz spectrum analyser on the cheap - 
http://hackaday.com/2010/03/17/im-me-spectrum-analyzer/

Cheers,
Andrew.

Mike Everest wrote:
>
> If you have a 900M receiver with spectrum analyser on it, you could 
> test your theory.
>
> If you had a mikrotik routerBoard (from shop.duxtel.com.au) with a 
> 900M radio like someone was promoting on this list a few days ago, 
> then you could run the spectrum analyser and compare the results with 
> the weather station on, and off.
>
> My guess, though, would be that the transmitter is probably OK, but 
> the receiver may be damaged. Being a weather station, it is obviously 
> intended to be mounted in a reasonably high place outdoors – thus 
> susceptible to lightning damage. And lightning damage usually affects 
> the receiver systems - they go ‘deaf’ ;-)
>
> The only way to test /that/ would be to run diagnostics on the 
> receiver circuitry – so apart from getting out your CRO, there’s 
> probably not much you can do that swap out the radio systems with new 
> components ;-)
>
> Cheers!
>
> Mike.
>
> *From:* melbwireless-bounces at v2.wireless.org.au 
> [mailto:melbwireless-bounces at v2.wireless.org.au] *On Behalf Of *emdeex
> *Sent:* Sunday, 21 March 2010 9:48 AM
> *To:* Melbwireless at v2.wireless.org.au
> *Subject:* [MLB-WIRELESS] Debugging 915mhz weather station?
>
> Hi All,
>
> I just bought a wireless weather station at the sunday market, its a 
> La Crosse WS1600IT. But of course, I can't get it to connect (probably 
> why he was selling it cheap!) But where there is a will, there is a 
> way I always say!
>
> Its uses a 915Mhz transmitter/receiver. Following the correct startup 
> procedure, the receiver unit just flashes the "connecting" icon and 
> does not connect.
>
> There are no lights, indicators on the transmitter, so my first guess 
> would be the transmitter is not working. Is there a way I can detect 
> if the transmitter is transmitting?
>
> Any other ideas about how to debug it?
>
> I'll call the distributor on Monday and see if I can get a new/spare 
> transmitter.
>
> regards,
> Murray
>
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