Hi Steve and all, Thanks For That Consise Description, Steve, never heard it 
described better.   also works on the Sony 7600G, 7600GR, and ICF-S100S, 
likely others too, but I've owned and used those three, and that feature 
really does help. Danny Dyer, Wb4idu.
----- Original Message ----- 
From: "Steve Dresser" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, November 17, 2008 9:58 AM
Subject: Synchronous detection (was Re: Filtering report of the IC7000)


> Phil,
>
> Synchronous detection is the receiver's ability to lock on to a carrier 
> and
> supply that carrier's frequency to the detector during selective fading.
> When it works properly, as it does in the 2010, the result is to minimize
> the distortion on an AM signal that occurs when the carrier drops out
> leaving only the sidebands.  As I said, it's one of the 2010's best
> features.
>
> Steve
>
> ----- Original Message ----- 
> From: "Phil Scovell" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Sunday, November 16, 2008 23:10
> Subject: Re: Filtering report of the IC7000
>
>
>> Steve,
>>
>> I'm not even certain what synchronous detection is so explain.  There is 
>> a
>> lot of synchronous topics in the manual and if synchronous detection is
>> what
>> I think it is, I haven't discovered that to be in the 7000 radio.
>>
>> Phil.
>> K0NX
>>
>>
>>
>>
>> ----- Original Message ----- 
>> From: "Steve Dresser" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Sunday, November 16, 2008 8:09 PM
>> Subject: Re: Filtering report of the IC7000
>>
>>
>>> Phil,
>>>
>>> Does the 7000 have synchronous detection?  That may not be high on your
>> list
>>> of must-have features, but it's one of the best features of the 2010, 
>>> and
>>> almost impossible to find elsewhere.
>>>
>>> Steve
>>>
>>> ----- Original Message ----- 
>>> From: "Phil Scovell" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Sunday, November 16, 2008 14:16
>>> Subject: Filtering report of the IC7000
>>>
>>>
>>> >I have tuned in some strong CW signals compared to the weaker ones I
>>> > reported on the other day.  The S9 signals tune down to about 80 Hz
>>> > compared
>>> > to the narrow 12 to 14 Hz of the weaker signals.  I am saying that
>>> > anything
>>> > outside these thresholds, top and bottom, means the signals simply
>>> > isn't
>>> > there; they are gone, that is, cut off.  Pretty narrow tuning.  I am
>> also
>>> > copying weaker signals, that when tuning passed them with wider
>> filtering,
>>> > such as in the sideband mode and are hardly copyable, once the CW
>> filters
>>> > mode is buttoned on, the signals come up to a Q5 copy level and then
>>> > can
>>> > be
>>> > made even stronger by fiddling with the tuneable filtering.  I've also
>>> > tested the notch filter used for zeroing out a carrier that comes on.
>> It
>>> > vanishes when you hit the right frequency but very little change is
>>> > noticed
>>> > in the background noise characteristics of the receiver.  I also got a
>> lot
>>> > of time during Sweep Stakes to play around with the sideband filtering
>> and
>>> > witnessed first hand how narrow you can tighten down on a sideband
>> signal
>>> > and still copy him just fine.
>>> >
>>> > I still haven't learned how to set memories or scan, you get mighty
>> tired
>>> > at
>>> > spinning the dial at 1 or 10 Hz, so I plugged in the desk microphone I
>>> > purchased because I knew it would have up and down scanning buttons,
>> which
>>> > it does.  Those work fine other than the fact you have to hold them
>>> > down
>>> > during the scan and it would appear, from my frequency readings, that
>> you
>>> > are jumping 5 Hz in the sideband mode on the default setting so it
>>> > works
>>> > pretty well.  It is pretty quick but not too fast that you just whiz
>>> > passed
>>> > the signal before you know it.
>>> >
>>> > Dumb me.  I discovered this week, too, just playing around, it covers
>> the
>>> > FM
>>> > broadcast band but for good fidelity, I'm going to find me a bigger,
>>> > basier,
>>> > speaker because those in the radio are pretty tinny sounding.  In
>>> > short,
>>> > it
>>> > would appear the 7000 will replace all my radios by a wide margine and
>>> > this
>>> > includes my beloved Sony 2010 I have had for years.  The 7000 is about
>> the
>>> > size of a cigar box but you can pound nails with it due to its metal
>>> > construction.
>>> >
>>> > Phil.
>>> > K0NX
>>> >
>>>
>>>
>>> -- 
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>> 10:04 AM
>>>
>>>
>>