Indeed, Carl. I bypassed the pager system part and went straight to
the map.
Interestingly, you can zoom in down to individual house level on the
map to see the location of the sightings. For example, the Eleonora's
Falcon in Southend (Essex) was reported partway along Harcourt Ave.
Of course, you have to subscribe at the rate of 70p per day to get the
full details ....
Regards, Laurie.
On 29/10/2009, at 10:57 PM, Carl Clifford wrote:
Laurie,
I think there would be a problem with a pager system such as this. I
think, and would be happy to be corrected, that Telstra, in their
wisdom, axed their pager service some years ago. The only pager
systems in Australia now are private local and private area
networks. The LAN's are generally restricted to sites such as
hospitals, while the WANs are used by emergency services, usually by
piggy-bqcking the signal on the various emergency service radio
networks.
I think Telstra dropped the pager service because they regarded the
mobile 'phone service as more "efficient" or perhaps that was more
profitable.
There is no reason why a such a service could not be based on text
messages to mobiles though.
Cheers,
Carl Clifford
On 29/10/2009, at 11:16 PM, L&L Knight wrote:
http://www.birdforum.net/sightingsmap.php is an example of what can
be developed when there is a critical density of twitchers in a
region.
Interestingly the categories are uncommon, scarcity, rarity and mega-
rarity. The current map shows 4 mega-rarities, which may indicate
that the scale might need to be re-calibrated.
Regards, Laurie.
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