Hi Frank,
Do you mean the IC-7300 is a fantastic radio for contest use?
The receiver has really major issues under crowded band conditions.
73,
Martín, LU5DX
El mié., 31 mar. 2021 8:30 p. m., <donovanf@erols.com> escribió:
> Hi Joe,
>
>
> There's no doubt the IC-7300 is a fantastic radio, but it has significant
> transmitter composite noise issues. If you're a single op its not a
> problem
> unless you have other hams within a few miles. They won't be your
> friends for long...
>
>
> The IC-7300 works well for SO2R or Field Day if suitable transmitter
> band pass filters are used. But the IC-7300 doesn't play well with
> other transceivers on the same band and as is often the case for a
> competitive Field Day or in communities with nearby hams.
>
>
> The news is worse if you use a modern amplifier with the IC-7300
> (and many other modern transceivers, too). Transmitted composite
> noise is much worse (almost ten dB worse!) at the 25-50 watt
> maximum power to drive modern amplifiers.
>
>
> 73
> Frank
> W3LPL
>
>
>
>
>
> ----- Original Message -----
>
> From: "Joe" <nss@mwt.net>
> To: donovanf@erols.com, CQ-Contest@contesting.com
> Sent: Wednesday, March 31, 2021 7:37:03 PM
> Subject: Re: [CQ-Contest] IC-7300 VS IC-7410
>
> OK,
>
> The trend I see here is pretty strong Kill the 7300.
>
> OK how about a possible third Option?
>
> The KX3 with it's 100 watt amp?
>
> Joe WB9SBD
>
>
> On 3/31/2021 1:16 PM, donovanf@erols.com wrote:
>
>
> Hi Joe,
>
>
> I don't know about the IC-7410, but the IC-7300 is about the worst
> transceiver you could ever use for Field Day unless you're planning
> a one transmitter entry.
>
> IC-7300 transmitted phase noise makes it impossible for any other
> transceiver to operate on the same band, and likely you will
> need a high quality bandpass filter to operate another transceiver
> on any another band with an antenna in proximity to the IC-7300's
> antenna.
>
>
> Its hard to beat the performance of the Elecraft K3 for a light weight.
> very low transmitted noise, high performance Field Day transceiver.
> The FTdx101D is also excellent high performance, reasonably
> light weight Field Day radio.
>
>
> If you don't have access to any of those, the trusty old FT-1000MP
> is an excellent Field Day transceiver that outperforms most modern
> radios from a transmitted noise perspective and its receiver performance
> is generally acceptable.
>
>
> 73
> Frank
> W3LPL
>
> ----- Original Message -----
>
> From: "Joe" <nss@mwt.net> To: CQ-Contest@contesting.com Sent: Wednesday,
> March 31, 2021 3:30:38 PM
> Subject: [CQ-Contest] IC-7300 VS IC-7410
>
> Trying to decide which Rig to Use IC-7300 VS IC-7410.
>
> Last year Field Day was a Bust. But it looks pretty promising that this
> year it could be really close to a traditional Field Day YAY!
>
> Now In past years in my local club I am the only CW op of the group. Sad
> I know. And I'm just too old to do 24 hours single Op anymore.
>
> So in years past when a phone or digital station would be taking a break
> for whatever reason, I would sit down and use the station and make as
> many CW contacts as I could until the other Op's came back. It worked
> OK, Over the weekend Id make a few hundred CW contacts the club would
> not have had.
>
> BUT this year is Different, A new guy moved in, and he's also a CW man!
> YES! So we said we will for Field Day this year make a dedicated CW
> station!
>
> Now we are trying to decide which of those two rigs would be best at
> Field Day?
>
> Most if not ALL rigs (most times we run 5A) have Band pass filters, like.
> https://www.dxengineering.com/parts/lbs-pb-f200-14?rrec=true And if we
> don't have one of those, we have many coaxial stub notches we
> can add to an offending station.
>
> So usually when we want to try to decide what Radio we want to use, if
> there is a choice, and no one really has a personal preference, we
> usually go by the Data Bob gives us at, http://www.sherweng.com/table.html
> Using the Sorted by Third-Order Dynamic Range Narrow Spaced - or- ARRL
> RMDR (Reciprocal Mixing Dynamic Range) if Phase Noise Limited as the
> deciding factor.
>
> We are both amazed at the difference of close in spec's between these
> two radios!
> 97 for the 7300 VS only 78 for the 7410,, is it really that much
> difference!?
>
> Wow!
>
> So am I to think correctly in a Field Day setting would the 7300 be the
> better radio?
>
> Joe WB9SBD
>
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