Re: Good tip for antennae !!!!!
"tones772000" <[email protected]> Thu, 24 Feb 2005 01:23:11 -0000
| Newsgroups | gmane.recreation.radio.hardware.icomr2 |
|---|---|
| Message-ID | <[email protected]> |
--- In [email protected], mdennisond@a... wrote: > Hi there!!!! > I have a good tip for you,no messing about with connectors & cable & risking > any possible damage to the tiny sma aerial socket. > Some guy gave me this tip of wish i could remember his name as i would list > it here in this message. > Me being a communications engineer thinks this is really a cool way of > amplifying the signals just that little bit more into this tiny R2 scanner. > Have you heard of or know of something called Adhesive Aluminium Tape ? > If so....purchase some of this,if not silver kitchen foil will do the job. > Now all you do is roll the stuff into a tube that will slide over the stock > antennae. > Length ?.....I started with 1/2 a metre of which i noticed a big improvement > on the AM band. > This really works !!!! > Now you can experiment with lengths as you wish. > The best thing about doing it this way than making bigger external aerials > via extra cable (RG58) is that you can cut down signals coming in overloading > the if stages & filtering of the IC-R2 unit,in other words the bigger the > aerial on this unit the more overloading of signals coming into the unit will > make you receive a signal on say 142.0000Mhz and find that you will receive > exactly the same signal on say 308.0000Mhz. > That can get very confusing. > This unit was built to perform in spec with it's stock antennae. > You will receive more with external aerials but you will run into some > frequencies of which you receive the same on a different frequency if you > know what i mean (overloading the if stages). > I have found with Adhesive Aluminium Foil/Kitchen Silver Foil slid over the > stock antennae to bring in signals as to not overload the unit. > You can try this with different lengths and it's so easy as with messing > about with different variations of external aerials. > Anyway,try it out and let us know what you find. > Yours, > Mark. > > > > > [Non-text portions of this message have been removed] Post message: [email protected] Subscribe: [email protected] Unsubscribe: [email protected] Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/icomr2/ <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/