Re: i can not find any sensitivity numbers number on R2
"Marty" <hywmn-/[email protected]> Wed, 29 Aug 2007 00:58:26 -0000
| Newsgroups | gmane.recreation.radio.hardware.icomr2 |
|---|---|
| Message-ID | <[email protected]> |
--gtnWJLFHnSNQUS3Iva8yjz04YJhVuCUG5ql0SYY Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable --- In [email protected], "Ubbe ." <ubbe02@...> wrote: > > The R2 has very good sensitivity, both to the actual signal you are=20 monitoring and unfortunatly also to interfering ones. You have to=20 choose antenna and location carefully when using it. >=20=20=20=20 > A signalgenerator will show something like 0,2uV on 400Mhz but=20 when connecting a dipole antenna at the roof top it degraded to 20uV.=20 Using different kind of external RF-filters brought it down to 2uV. >=20=20=20=20 > In comparison a basescanner like Pro-2006 had 0,6uV showing on=20 the signalgenerator and went to 0,8uV using the rooftop antenna,=20 making it receive a lot more than the Icom. >=20=20=20=20 > In real life the sensitivity figures printed in the documents,=20 measured in a lab enviroment with no interfering signals, are in most=20 cases unrelevant. >=20=20=20 > Ubbe. >=20=20=20 > mikeheight <mikeheight@...> wrote: > hi to everyone i am new to this group > and i have one r2 and thing about picking up a > used one on e-bay > but i can not find any sensitivity numbers number on R2 > i like the one i have > how is the sensitivity on the R2 >=20 > thank you >=20 > mike >=20 >=20 >=20 > __ > Recent Activity >=20=20=20=20=20 > 1 > New Members >=20 > Visit Your Group=20 > Stay in Shape > on Yahoo! Groups > Find a fitness Group > & get motivated. >=20 > Official Samsung > Yahoo! Group for > supporting your > HDTVs and devices. >=20 > Share Photos > Put your favorite > photos and > more online. >=20 > I have a r2 and it has always worked well for me..> . >=20 >=20=20 > = =20 >=20 >=20=20=20=20=20=20=20=20 > --------------------------------- > Ready for the edge of your seat? Check out tonight's top picks on=20 Yahoo! TV.=20 >=20 > [Non-text portions of this message have been removed] > --gtnWJLFHnSNQUS3Iva8yjz04YJhVuCUG5ql0SYY Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> </head> <body style="background-color: #ffffff;"> <!--~-|**|PrettyHtmlStartT|**|-~--> <div id="ygrp-mlmsg" style="width:655px; position:relative;"> <div id="ygrp-msg" style="width: 490px; padding: 0 15px 0 0; float:left; z-index:1;"> <!--~-|**|PrettyHtmlEndT|**|-~--> <div id="ygrp-text"> <p>--- In <a href="mailto:icomr2%40yahoogroups.com">icomr2@yahoogroups.<wbr>com</a>, "Ubbe ." <ubbe02@...> wrote:<br> ><br> > The R2 has very good sensitivity, both to the actual signal you are <br> monitoring and unfortunatly also to interfering ones. You have to <br> choose antenna and location carefully when using it.<br> > <br> > A signalgenerator will show something like 0,2uV on 400Mhz but <br> when connecting a dipole antenna at the roof top it degraded to 20uV. <br> Using different kind of external RF-filters brought it down to 2uV.<br> > <br> > In comparison a basescanner like Pro-2006 had 0,6uV showing on <br> the signalgenerator and went to 0,8uV using the rooftop antenna, <br> making it receive a lot more than the Icom.<br> > <br> > In real life the sensitivity figures printed in the documents, <br> measured in a lab enviroment with no interfering signals, are in most <br> cases unrelevant.<br> > <br> > Ubbe.<br> > <br> > mikeheight <mikeheight@<wbr>...> wrote:<br> > hi to everyone i am new to this group<br> > and i have one r2 and thing about picking up a<br> > used one on e-bay<br> > but i can not find any sensitivity numbers number on R2<br> > i like the one i have<br> > how is the sensitivity on the R2<br> > <br> > thank you<br> > <br> > mike<br> > <br> > <br> > <br> > __<br> > Recent Activity<br> > <br> > 1<br> > New Members<br> > <br> > Visit Your Group <br> > Stay in Shape<br> > on Yahoo! Groups<br> > Find a fitness Group<br> > & get motivated.<br> > <br> > Official Samsung<br> > Yahoo! Group for<br> > supporting your<br> > HDTVs and devices.<br> > <br> > Share Photos<br> > Put your favorite<br> > photos and<br> > more online.<br> > <br> > I have a r2 and it has always worked well for me..> .<br> > <br> > <br> > <br> > <br> > <br> > ------------<wbr>---------<wbr>---------<wbr>---<br> > Ready for the edge of your seat? Check out tonight's top picks on <br> Yahoo! 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