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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