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Subject:
From:
Steve Dresser <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Sun, 30 Jun 2013 13:01:15 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (90 lines)
Russ,

Although I don't have the equipment or know-how to perform the tests your 
friend did, my experience with a CCrane radio pretty much matches with what 
he found.  Thanks for bringing some hard data to what has been a rather 
subjective discussion.

Steve

----- Original Message ----- 
From: "Russ Kiehne" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, June 30, 2013 09:52
Subject: Re: AM FM BROADCAST RADIO


>A friend of mine who is a chief engineer at a radio station did the
> following test on a cc radio:
>
> Russ,
>
> I went through my CC Radio platinum edition.here's what I found.
>
> Its roots are an entertainment radio, not communication.  Its
> sensitivity on AM is quite excellent, its selectivity is good to
> excellent, unless the radio is overloaded by a couple of strong local
> stations, then all goes awry.  You can hear images and artifacts all
> over the dial if it's overloaded; this occurs when the field strength is
> greater than 350 milivolts around the radio (high end) and 800 milivolts
> (low end.)  In short its third order intercept point sucks.  10 dB sinad
> occurs in a .5 Milivolt field, low end, a .2 milivolt field high end of
> the dial.  10 Db selectivity points at about 4 KHz.  Distortion at the
> speaker with 250 mw out of the radio was .8% THD + Nose @ 30% modulation
> at 400 Hz. which all works out.  Local oscillator stability is +/- 600
> Hz from -20 to +50 C.  It appears to be voltage stabilized, as voltage
> applied didn't seem to have too great an effect.  It's IF image
> rejection is only fair.but way better than the Super Radio.
>
> Nutshell?  This is a sticks radio.  Owners will enjoy good reception
> with it, providing they don't live close to a couple of AM radio
> stations, the directivity of the loop stick antenna is quite pronounced,
> strong stations can be nulled out to hear the station you desire.  An
> external loop antenna needs to be used carefully - overloading seems to
> be easy to do.
>
> It is very well made with quality components everywhere, plus a clean
> easy to service layout with more than I'm used to seeing on board
> shielding.
>
> So now we know about that.
>
> John.
>
> -----Original Message----- 
> From: Michael Thurman
> Sent: Saturday, June 29, 2013 9:45 AM
> To: [log in to unmask]
> Subject: Re: AM FM BROADCAST RADIO
>
> ohwow   i though the cc radio was supposed to e the best radio out there =
> that is really sad to hear. al this talk of the twin ferrite antenna ad =
> stuff, perhaps you have a bad one and need to just send it back to have =
> it fixed or replaced.  I know others who have had them and loved them. =
> but they were not real receiver buffs so they might thane been just fine =
> for their purposes. how is 2 meters on that radio? A friend of mine has =
> the oldr version before they went from tv audio to 2meters and says it's =
> am is stellar and he is in a basement
>
> On Jun 29, 2013, at 10:30 AM, Anthony Vece <[log in to unmask]> wrote:
>
>> Yes, try to find a GE super radio 2.
>> You could probably find one Ebay.
>>=20
>>=20
>>=20
>> Sent from my Verizon iPhone 5!
>>=20
>> On Jun 29, 2013, at 10:24 AM, Fred Adams <[log in to unmask]> =
> wrote:
>>=20
>>> Do any of you guys know of a good AM FM broadcast radio about the =
> size of
>>> the Crane CC plus?  I want a radio large enough that it will not fall =
> over
>>> if I bump it and with good reception. I have a Crane with 2 meters =
> etc but
>>> AM is not good and Fm is not greatest.  Any suggestions will be
>>> appreciated.
> 

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