I second Tim's comments as I too have used a 7800 on top band for a number
of years.. But, I also have a newly acquired K3. So far I think they are a
horse a piece but the 7800 is quieter.
73, Tom, W0ZR
On 12/5/10 10:37 AM, "Tim Duffy K3LR" <k3lr@k3lr.com> wrote:
> Hello Martin:
>
> I have been using the Icom IC7800 on the TopBand for several years.
> Performance is outstanding. True second receiver and incredible diversity
> capabilities. Plenty of filtering, audio peak filtering with an extremely
> quiet RX.
>
> I worked 103 countries with the IC7800 during the CQ WorldWide CW contest
> last weekend on the TopBand.
>
> 73,
> Tim K3LR
>
>
> -----Original Message-----
> From: topband-bounces@contesting.com [mailto:topband-bounces@contesting.com]
> On Behalf Of Martin Mac Gregor
> Sent: Saturday, December 04, 2010 11:45 AM
> To: 'topBand List'
> Subject: Re: Topband: Preferred Topband transceiver
>
> Anyone using the IC7800 for top band?
> Martin
> VE7MM/G4EZG
>
> -----Original Message-----
> From: topband-bounces@contesting.com [mailto:topband-bounces@contesting.com]
> On Behalf Of GERRY
> Sent: Friday, December 03, 2010 2:31 PM
> To: topBand List
> Subject: Re: Topband: Preferred Topband transceiver
>
>
> I'd like to understand what makes the K3 "hear" better. What they call
> roofing filters are simple 9 mhz Crystal filter know as 1st IF in older
> radios. DSP filtering has been around now for years and have certainly
> evolved in all radios. Can anyone quote side by side experiences with other
> modern radios (like an FT-5000) where the K3 was hearing weak 160 signals
> and the other radio was not.
>
> Gerry VE6LB
> who may be in the market
> someday soon
>
> --------------------------------------------------
> From: "Barry N1EU" <barry.n1eu@gmail.com>
> Sent: Friday, December 03, 2010 6:31 AM
> To: "topBand List" <topband@contesting.com>
> Subject: Re: Topband: Preferred Topband transceiver
>
>> On Thu, Dec 2, 2010 at 11:35 PM, Frank Davis <fdavis@nfld.net> wrote:
>>
>>> 14 - K3 with or without 2nd rx
>>> 3 - Orion I
>>> 2 - TS850
>>> 2 - TS590
>>> 1 - FT1000MP (vintage)
>>> 1 - FT2000
>>> 1 - FT1000D
>>> 1 - Omni VI
>>> 1 - Omni VII
>>>
>>> It wasn't unexpected to me that the K3 would be very popular. What was
>>> surprising to me was the total lack of mention of any of the higher end
>>> Yaesu or Icom rigs.
>>> I also expected Orion II and the Omni VII to place high but that seems to
>>> not be the case.
>>> The K3 is the rig of choice these days for topband due mainly to weak
>>> signal capability and selectivity.
>>>
>>
>> What these results also indicate is that serious Topbanders are early
>> adopters of new receiver technology that promise an advantage in
>> weak/strong
>> signal conditions. This was the case with the Orion I (e.g., narrow
>> roofing
>> filter + dsp) and later with the K3 (e.g., dual identical rx).
>>
>> 73, Barry N1EU
>> _______________________________________________
>> UR RST IS ... ... ..9 QSB QSB - hw? BK
>
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
>
>
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
>
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
_______________________________________________
UR RST IS ... ... ..9 QSB QSB - hw? BK
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