[ICOM] IC-7800

[awallacejr at sbcglobal.net]

Which version of the monthly Orion bug fixes did Tom test?

Andy K5VM


----- Original Message ----- 
From: "Bill Tippett" <btippett at alum.mit.edu>
To: <icom at mailman.qth.net>
Sent: Monday, May 24, 2004 1:59 PM
Subject: [ICOM] IC-7800


> I wrote:
> 
>  >Possible conclusions:
> 
> 1.  Icom's claims may be more hype than substance, and there
> could be some specsmanship games being played.
> 2.  ARRL's measurements were bad.
> 3.  The unit under test was bad.
> 
>          Someone directed me to W8JI's Receiver Tests website which
> has been updated to include both the 7800 and Orion.  In addition
> to IMD measurements, Tom has added MDS and BDR for the 7800 which
> I have never seen published anywhere previously:
> 
> http://www.w8ji.com/receiver_tests.htm
> 
> Tom's 2 kHz spaced IMD measurements of the 7800 and Orion agree
> exactly (78 dB for 7800 and 92 dB for Orion) with Sherwood's, which
> gives me some confidence that we can eliminate conclusions #2 and #3
> above.  It will be very interesting to see ARRL's final report late
> this summer.  Hopefully RSGB's RadCom report will be out soon also.
> 
>                                          73,  Bill  W4ZV
> 
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