[ICOM] Pro 2 vs. 746 Pro
Jeff Frank
jafrank at nyc.rr.com
Wed Oct 6 12:37:43 EDT 2004
Steve - You are probably right about my trying to split hairs between the
Pro2 and the 746Pro regarding strong signal performance. It's my obsessive
side doing that. And your comments about the Pro2's performance in
contesting is reassuring. Thank you.
Jeff - KX2P
----- Original Message -----
From: "n4lq" <n4lq at iglou.com>
To: "ICOM Reflector" <icom at mailman.qth.net>
Sent: Wednesday, October 06, 2004 11:25 AM
Subject: Re: [ICOM] Pro 2 vs. 746 Pro
>I used the PROII during the 160m cw contest. I think that contest is the
> ultimate test for IMD. Thousands of KW stations piled up in one small
> area on the dial. I left the bandwidth at about 100hz and was really
> impressed with how well it performed. Occasionally I would hear a few
> beeps and grunts that were the result of intermod but nothing strong
> enough to prevent a QSO. Perhaps if the KW station was next door to me
> or maybe in a multi-station setup it would be a different story. In that
> case I might invest in some outboard bandpass filtering from ICE or
> someone. The scope in the PROII is very additive and the scope on the
> 746pro is almost useless. I had the 746pro for a short time and didn't
> compare the strong signal performance so I can't help you there. I doubt
> if there is enough difference to notice.
> N4LQ Steve
>
> -----Original Message-----
> From: "Jeff Frank" <jafrank at nyc.rr.com>
> To: "ICOM Reflector" <icom at mailman.qth.net>
> Date: Wed, 6 Oct 2004 10:59:54 -0400
> Subject: Re: [ICOM] Pro 2 vs. 746 Pro
>
>>
>> Gus - Thanks for the lead to the Sherwood web-site. Haven't seen that
>> one
>> yet. But from what I've read, performance isn't always exactly
>> correlated
>> with "numbers" and some argue that tests for esesentially analogue
>> radios
>> don't always apply well for more dsp designs. I'm looking more for
>> actual on
>> the air experiences with the Pro2 vs. 746Pro. But thanks.
>> Jeff - KX2P
>>
>>
>> ----- Original Message -----
>> From: "Augie Hansen" <augie.hansen at comcast.net>
>> To: "Icom Reflector" <icom at mailman.qth.net>
>> Sent: Wednesday, October 06, 2004 10:08 AM
>> Subject: Re: [ICOM] Pro 2 vs. 746 Pro
>>
>>
>> > On 10/6/04 7:31 AM, "Jeff Frank" <jafrank at nyc.rr.com> wrote:
>> >
>> >> I'm trying to decide between buying the Pro 2 or the 746 Pro. Read
>> just
>> >> about
>> >> everything I could find on the internet about it. Besides the
>> difference
>> >> in
>> >> extra features and price, some technical types have been saying the
>> Pro 2
>> >> has
>> >> a more "bullet-proof" front end against very strong signals than
>> does the
>> >> 746
>> >> Pro. I like working 40 meters (ssb and cw) at night, as well as and
>> some
>> >> contest activity, so that could be an important factor for me. Does
>> >> anyone
>> >> have any experience with both those radios under very strong signal
>> >> conditions?
>> >
>> > Hi Jeff,
>> >
>> > Given your intended use you want a radio that has good dynamic range
>> > characteristics. Check out Rob Sherwood's comparison chart on his web
>> > page:
>> >
>> > http://www.sherweng.com/presentation.html
>> >
>> > The close-in (2KHz) is particularly critical to CW contest operators.
>> I
>> > have
>> > an Elecraft K2 and an old, but still very capable Drake R4C with the
>> > Sherwood mods. Both have exceptional dynamic range characteristics.
>> >
>> > The two Icom radios you are looking at have virtually the same DR
>> > numbers --
>> > good, but not great. A 2KHz number of 80 or higher is preferred. So
>> your
>> > choice will probably be based more on cost vs. features (dual watch,
>> > etc.).
>> >
>> > 73, Gus Hansen
>> > KB0YH at arrl.net
>> >
>> >
>> > ----
>> > Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
>> > Icom Users Net: Sundays, 1700Z, 14.316 MHz
>> > Icom FAQ: http://www.qsl.net/icom/
>>
>> ----
>> Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
>> Icom Users Net: Sundays, 1700Z, 14.316 MHz
>> Icom FAQ: http://www.qsl.net/icom/
>>
>
> ----
> Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
> Icom Users Net: Sundays, 1700Z, 14.316 MHz
> Icom FAQ: http://www.qsl.net/icom/
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