Thanks for the review. Very disappointed that the software and hardware is
still not ready for prime time. I was hoping they would be shipping by the
end of the month as Gerald had indicated earlier in the last update sent to
us. Sounds like another missed goal. It does look like over a year from
ordering before receiving the unit, I wonder if it will be shipped anytime
this quarter?
Jim K4JAF
-----Original Message-----
From: Dr. Howard S. White
Sent: Sunday, April 21, 2013 6:58 PM
To: [email protected]
Subject: [FlexEdge] Visalia DX Conference - Youtube Video - Flex 6700
inAction
I have posted a video of the Visalia DX Convention with the First Public
Demonstration of the Flex 6700
http://youtu.be/vLXjL6hoIYg
Not too much about the Convention but mostly the radio in operation...
The Flex 6700 radio was definitely working but clearly it was a beta test
unit.
I did manage to crash the software at least once and many features are yet
to be fully operational.
For the uninitiated... the radio software is now a simple browse that does
NOT need a major computer system
All the processing is now done inside the radio with its own computer
power...
it should even ultimately be able to run on your iPad or other simple
device...
Interestingly it was interfaced directly to N1MM Contest Logger, a SteppIR
DB-18 and an Alpha 9500 so it clearly was set up for contesting.
While I am not the contest Ultra Maven... I personally found the clean
simple interface much more intuitive for contesting than my Flex 5000
as you really never need to have your hands leave the logger keyboard. I
can see where the Flex will finally be more than competitive, if not excel
the K3 for contests.
In spite of the limitations of the beta test software, the receiver
performance was astounding.
It appeared that the radio was hearing down to -142dBm (or about S0 - 15db
or almost 2 ½ S Units below S0)
BUT what was more astounding was that they introduced DSP gain into the
system so that it could hear down to -149 dBm or about the phase noise
levels. I am not sure how to measure down to those levels as the thermal
noise in my test equipment is higher than that. (The figures are
un-calibrated- we will see what Sherwood says)
Adjacent Channel rejection appeared be out of the world....you could totally
block an S9+40db signal 100Hz away.....
This would be especially important in multi-stations.... AND you do not
Need to use any Roofing Filters
Of course it was really cool to be able to listen to several slices of the
band at the same time and easily jump from band to band without losing any
information.
They had 4 spectral operational but could only receive on 2 slices... (It
will be 8 slices in the final model)
Real World Performance...
Several times we had Armchair copy in QSO's with Hams who had could barely
copy our signals due to their poor antennas and outdated equipment
We definitely could easily copy the very weak DX Stations...
Although I am not a CW Operator .. The CW ops I talked to said it was full
QSK with no delays whatsoever...
Delivery
Flex said they hoped to ship production units within 30 days (maybe by
Dayton anyone?) however I am skeptical that they can get everything 100% by
then as clearly there is still a lot of software to get right. I suspect
that in order to meet that tight schedule, they will ship the first units
with a reduced feature set. The good thing about a SDR is that you can
easily upgrade in a matter of seconds.
Bottom Line:
When I read the specs and placed my order at Dayton 2012, I knew that this
was going to be the radio that will set the bar for the next standard in Ham
Radio
However, I was personally astounded by the performance which even in Beta
far exceeded my expectations.
__________________________________________________________
Howard S. White Ph.D. P. Eng., VE3GFW/K6 ex-AE6SM KY6LA
Website: www.ky6la.com<http://www.ky6la.com/>
"No Good Deed Goes Unpunished"
"Ham Antennas Save Lives - Katrina, 2003 & 2007 San Diego Fires, 911"
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