None of those 6m birdies here in Texas
73
Mike R
Date: Mon, 04 Jul 2011 13:45:11 -0400
From: John Ragle tpcj1...@crocker.com
Subject: Re: [Elecraft] Zipper Noise and Birdies on 6M -- FIXED!
To: elecraft@mailman.qth.net
Message-ID: 4e11fc27.7090...@crocker.com
Content-Type: text/plain;
I also have a pretty strong (-120dbm) and annoying 6 meter birdie. It is
when I am in cw mode and moves when I tune, intersecting with the
passband at 50096 or so . It moves with VFO tuning, but at a much higher
rate (viewing on the P3). When I have tuned 1 khz higher, it has moved
almost
I have a birdie at 50.09465 cw normal not rev on a cold k3 and the one at
14.186. The latter being weaker and neither adding to the s meter. My shack has
no computers but a wal wart or two so I can confirm those two.
Auto notch has no effect.
I believe as Tom mentioned there is a method to
mikerodgerske5...@yahoo.com
收件人︰ Robert Redmon k5sm@gmail.com
副本(CC)︰ elecraft@mailman.qth.net elecraft@mailman.qth.net
傳送日期︰ 2011年07月7日 (週四) 6:04 AM
主題︰ Re: [Elecraft] [k3] 6m birdies
I have a birdie at 50.09465 cw normal not rev on a cold k3 and the one at
14.186. The latter being weaker
It may just be my more or less casual observation, but ---
Many seem to becoming loose on what is defined as a birdie.
Proper use of the term is to refer to a fast tuning signal that is
produced by the receiver's mixing scheme and the harmonics thereof.
That is a true birdie.
Other annoying
︰ 2011年07月7日 (週四) 8:35 AM
主題︰ Re: [Elecraft] [k3] 6m birdies
It may just be my more or less casual observation, but ---
Many seem to becoming loose on what is defined as a birdie.
Proper use of the term is to refer to a fast tuning signal that is
produced by the receiver's mixing scheme
Johnny,
Yes, that is an excellent suggestion, especially if the K3 power supply
is a switcher.
73,
Don W3FPR
On 7/6/2011 9:05 PM, Johnny Siu wrote:
Hello Don,
I would even play a more safe game to distinguish whether it is a true
birdie. How about using a 12v battery instead of a
All,
Be sure that the antenna has been disconnected and a
good dummy load is connected in its place to the antenna
port via a very short piece of known-good coax. Better to
have a 50 ohm termination connected directly to the antenna
port.
73
Gene K1NR
K2 6K
On Wed, 06 Jul 2011 21:14:02
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