[OZAPRS] TVI

[Geoff]

Hamish,

Try an FM828 if you can get your hands on one. The front end is extremely
good for pager rejection.  

We have one at the VK2JPJ digi in the middle of Sydney CBD, with no
additional external filters, on a Diamond X-50, and it is bulletproof.  
(It is spitting distance to one of the major pager sites in Sydney.)

The FM900 seems to get quite a bit of pager interference - we tried one in
the same location before we got the 828, although in our case it was more
the high noise floor making the 900 appear very, very deaf.

Regards,
Geoff  VK2XJG

-----Original Message-----
From: ozaprs-bounces at marconi.ics.mq.edu.au
[mailto:ozaprs-bounces at marconi.ics.mq.edu.au] On Behalf Of Hamish Moffatt
Sent: Saturday, December 13, 2003 12:57 AM
To: OZAPRS
Subject: [OZAPRS] TVI

Hi all,

I am having some problems with TVI from the IGATE station. (Stupidly)
the 2m antenna is on top of the TV antenna. This has not been much of an
issue because we have Foxtel but lately we have been using the antenna a
bit more and the IGATE is even affecting digital TV reception to the
digital TV tuner card in my PC. It looks like it is just overload; I
thought it might be unclean signal (the radio is still a handheld)
but I just tried transmitting fairly low power from the FT-847 and also
had trouble.

I have another antenna located a few metres away from the TV antenna
but it has too much gain and even the FT-847 is badly affected by
pagers. How resistent to pagers is the FM900? I have one which I'm
not using and could put in, if it will cope with the pagers okay.

If I get around to it I might test the current radio on a scope to see
how clean the signal is - so it could be down for a bit.
Else I might be able to move the low gain antenna over the Christmas
break. If you have any suggestions they would be most welcome.


Thanks,
Hamish
-- 
Hamish Moffatt VK3SB <hamish at debian.org> <hamish at cloud.net.au>
_______________________________________________
ozaprs mailing list
ozaprs at marconi.ics.mq.edu.au
http://marconi.ics.mq.edu.au/cgi-bin/mailman/listinfo/ozaprs



_______________________________________________
ozaprs mailing list
ozaprs at marconi.ics.mq.edu.au
http://marconi.ics.mq.edu.au/cgi-bin/mailman/listinfo/ozaprs