[Elecraft] Elecraft 80M SSB Net Report

2023-03-12 Thread Dave New, N8SBE
3784 kHz (we moved to 3786 kHz this evening), 9PM ET Sunday (0200Z 
Monday).


Thanks to the following check ins (w) and relays (rel):

   Call State Radio/Amp Name
1 KIND  MIK4/KPA500 Jan (w)
2 WB9JNZILFTd101dx/KPA1500  Eric (w)
3 K8NU  OHFTd101dx/Mercury IIIs Carl (rel),(w)
4 KE3KQ PAK4D   Ben (w)
5 W4CBS FLK4Don (w)
6 NA4C  TNK4Vollie (w)
7 KA0RTMMNTS-590/KPA1500Mike (w)
8 AF5LQ NCKX3/KXPA100   Carl (w)
9 W3SA  NCK4D/ALS600John (w)
10 N8SBEMIK3s/KPA500Dave (ncs)

So-so conditions on 80M tonight, along with some local noise in my area, 
made copy difficult for some stations.  Thanks to the relays, we were 
able to pull in check-ins from FL, TN, PA, MN, and NC.


Hope to see you next week, and tell your friends!

73,

-- Dave, N8SBE
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Re: [Elecraft] Regarding KX3 with KPA1500.

2023-03-12 Thread Jim Brown

On 3/12/2023 3:37 PM, Steve L wrote:

Recently I ran across several video presentations by Rob Sherwood NC0B, 
regarding today’s (and yesterday’s) transceivers.  To my surprise, he sifts his 
focus from receiver performance testing (for which he is famous for) to 
transmitter cleanliness.  He gives a number of real examples of the mess output 
by some of today’s top transceivers and amplifiers as well as the RF mess 
created by amplifying marginal QRP radios by certain amplifiers.

I had not considered this before when thinking about the purchase of a 
new-to-me synthesized radio - and there are some significant and surprising 
differences!


It's wonderful to see Rob working on this, but he is pretty late to the 
party. Elecraft engineer K6XX and I gave this talk to local contest 
clubs in 2013  http://k9yc.com/K6XXAmpTalk.pdf


I published this report, analyzing the results of ARRL Labs testing in 
2014.  http://k9yc.com/TXNoise.pdf


Six months later, I published my own measurements of my rigs and amps, 
and of rigs I'd borrowed from neighbors, including two problematic Yaesu 
rigs.


All have been on my website since then.

73, Jim K9YC




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Re: [Elecraft] Regarding KX3 with KPA1500.

2023-03-12 Thread Steve L
Recently I ran across several video presentations by Rob Sherwood NC0B, 
regarding today’s (and yesterday’s) transceivers.  To my surprise, he sifts his 
focus from receiver performance testing (for which he is famous for) to 
transmitter cleanliness.  He gives a number of real examples of the mess output 
by some of today’s top transceivers and amplifiers as well as the RF mess 
created by amplifying marginal QRP radios by certain amplifiers. 

I had not considered this before when thinking about the purchase of a 
new-to-me synthesized radio - and there are some significant and surprising 
differences!

Definitely worth a watch on the subject:


https://www.youtube.com/watch?v=GNh0wP9PlsM
"Receiver Performance + What is the limit today?" by Rob Sherwood, NC0B
youtube.com


Let’s demand cleaner transmitters!
Steve
AA8AF
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[Elecraft] Elecraft 80M SSB Net Announcement

2023-03-12 Thread Dave New, N8SBE
Please join us on 3784 kHz (NOTE THE NEW FREQUENCY), 9PM ET Sunday 
(0100Z Monday). Note that the net stays on the same local time, when we 
switch back and forth to/from Daylight time, so the UTC time changes, 
but not the local time.


80M has been good at that time of the evening, with strong signals and 
little QRN from thunderstorms these days.  As we move into Daylight time 
and have longer daylight hours, this may no longer hold so true.


Your net control this week will be Dave, N8SBE, although I've had 
intermittent antenna issues at high power the last few weeks.  This 
seems to be an 80M only issue, for some reason.  If I continue to have 
issues this evening, please listen for Eric, WB9JNZ, who did a stellar 
job a few weeks ago of taking over as NCS after my hi-power station went 
down.


This week we had a couple of snowfalls, but the temperature was high 
enough that the sidewalks and driveway were 'self-cleaning'.  Suits me, 
for sure.


Hope to see you this evening on the net.

73,

-- Dave, N8SBE

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Re: [Elecraft] Regarding KX3 with KPA1500.

2023-03-12 Thread Jim Brown

On 3/12/2023 7:46 AM, Steve Hall wrote:

I have found that my KX3 with 15 Watts output will drive the 1500 to well
over 900 Watts


Yes, but IMD (clicks and splatter) will get nasty, and the KX3 will be 
pushed pretty hard. Maybe OK for occasional casual operation on a slow 
band where you're not bothering anyone, but doing it a lot could lead to 
radio failure.


73, Jim K9YC
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[Elecraft] W-2 meter

2023-03-12 Thread AB1DD

The W 2 is spoken for pending funds!!

--
73,
Carl
AB1DD

Resistance is futile.
(don't know about reactance, though)

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[Elecraft] W-2 meter

2023-03-12 Thread AB1DD
I have An Elecraft W-2 watt meter/swr bridge that is in excess to my 
needs. It is in like new condition. Non smoking and no pet environment. 
It has 2 couplers, 1.8 to 54 MHz, 2 KW and a 144 to 450 MHz 200 W. All 
cables, power and interface included. The new price from Elecraft is 
about $690. I will let it go for $400 shipped in the US.


--
73,
Carl
AB1DD

Resistance is futile.
(don't know about reactance, though)

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[Elecraft] Regarding KX3 with KPA1500.

2023-03-12 Thread Steve Hall
I have found that my KX3 with 15 Watts output will drive the 1500 to well
over 900 Watts. *Steve*

*WM6P*
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