Re: [Elecraft] K3 10M Birdie

2008-05-25 Thread john petters



Mike Harris wrote:

Hi,

Anyone else seeing a birdie on 28004.9+/-?


Hi Mike
I have it also.
73
John G3YPZ
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Re: [Elecraft] K3 10M Birdie

2008-05-25 Thread Ian White GM3SEK

Mike Harris wrote:

Hi,

Anyone else seeing a birdie on 28004.9+/-?

With no antenna, CW, 500Hz hardware filter, 50Hz DSP, I see DISP readings:

-21dBV pre-amp OFF
-1.4dBV pre-amp ON

In either case the ATT makes only another -2dBV difference.

It doesn't display on the S-meter but given many workable signals don't on
10M it is relevent.



I don't hear a birdie on that frequency, but centred around there is a 
broad peak of rasping noise and transient carriers that only appear 
while rotating the VFO A knob.



--

73 from Ian GM3SEK
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Re: [Elecraft] K3 10M Birdie

2008-05-25 Thread dalej
I also find one there, very weak however.  I also heard a few more up  
the band, all very weak.  When switching on the ant the band noise  
pretty much covers them up.

Dale, K9VUJ



On 25, May 2008, at 9:54, Mike Harris wrote:


Hi,

Anyone else seeing a birdie on 28004.9+/-?

With no antenna, CW, 500Hz hardware filter, 50Hz DSP, I see DISP  
readings:


-21dBV pre-amp OFF
-1.4dBV pre-amp ON

In either case the ATT makes only another -2dBV difference.

It doesn't display on the S-meter but given many workable signals  
don't on

10M it is relevent.

Regards,

Mike VP8NO

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RE: [Elecraft] K3 10M Birdie

2008-05-25 Thread Evert Bakker (PA2KW)


That's what I hear as well.

73'e, Evert PA2KW

---

I don't hear a birdie on that frequency, but centred around there is a 
broad peak of rasping noise and transient carriers that only appear 
while rotating the VFO A knob.


-- 

73 from Ian GM3SEK
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RE: [Elecraft] K3 10M Birdie

2008-05-25 Thread ab2tc

I have the birdie at 28004.5kHz. No raspy noises when tuning.

Knut - AB2TC

Evert Bakker (PA2KW) wrote:
 
 
 
 That's what I hear as well.
 
 73'e, Evert PA2KW
 
 ---
 
 I don't hear a birdie on that frequency, but centred around there is a 
 broad peak of rasping noise and transient carriers that only appear 
 while rotating the VFO A knob.
 
 
 -- 
 
 73 from Ian GM3SEK
 
 snip
 
 

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RE: [Elecraft] K3 10M Birdie

2008-05-25 Thread G4ILO

What's the big deal with birdies? Perhaps if you are operating from the
middle of nowhere miles from the nearest computer the bands are actually
quiet unless a real signal is present. Here there are so many unmodulated
carriers and other noises from computers, computer peripherals, cordless
phones, TV set top boxes, burglar alarms and goodness knows what else that
you just get used to them. If some of them were actually generated from
within the K3 I would never know.

-
Julian, G4ILO  K3 s/n: 222 K2 s/n: 392
G4ILO's Shack: www.g4ilo.com
Zerobeat Ham Forums: www.zerobeat.net/smf
-- 
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RE: [Elecraft] K3 10M Birdie

2008-05-25 Thread Evert Bakker (PA2KW)
I do!

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of G4ILO
Sent: Sunday, May 25, 2008 22:06
To: elecraft@mailman.qth.net
Subject: RE: [Elecraft] K3 10M Birdie


What's the big deal with birdies? Perhaps if you are operating from the
middle of nowhere miles from the nearest computer the bands are actually
quiet unless a real signal is present. Here there are so many unmodulated
carriers and other noises from computers, computer peripherals, cordless
phones, TV set top boxes, burglar alarms and goodness knows what else that
you just get used to them. If some of them were actually generated from
within the K3 I would never know.

-
Julian, G4ILO  K3 s/n: 222 K2 s/n: 392
G4ILO's Shack: www.g4ilo.com
Zerobeat Ham Forums: www.zerobeat.net/smf
-- 
View this message in context:
http://www.nabble.com/K3-10M-Birdie-tp17458757p17461803.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] K3 10M Birdie

2008-05-25 Thread Mike Harris
Hi,

No big deal, it just gets in the way occasionally, just like a similarly 
placed offering in the K2, albeit that one has a different source.  For 
what it's worth, I've been working signals on 10M this weekend somewhat 
lower in strength than this particular birdie.  No band noise at all when 
plugging the antenna in.

If you use WSJT on 6M you will even find 'em -25dB, one cost me a 
completion on EME, mainly due to operator error on my part and I wouldn't 
expect Elecraft to try and sort sub noise level signals out.

So yes, some of us routinely work at very low receive signal levels in 
reasonably quiet locations, even on HF.  You just have to remind yourself 
why the other guy can't hear you.

Regards,

Mike VP8NO

- Original Message - 
From: G4ILO [EMAIL PROTECTED]
To: elecraft@mailman.qth.net
Sent: Sunday, May 25, 2008 4:05 PM
Subject: RE: [Elecraft] K3 10M Birdie


| What's the big deal with birdies? Perhaps if you are operating from the
| middle of nowhere miles from the nearest computer the bands are actually
| quiet unless a real signal is present. Here there are so many 
unmodulated
| carriers and other noises from computers, computer peripherals, cordless
| phones, TV set top boxes, burglar alarms and goodness knows what else 
that
| you just get used to them. If some of them were actually generated from
| within the K3 I would never know.

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RE: [Elecraft] K3 10M Birdie

2008-05-25 Thread KM5Q
I have it too. It's a clean carrier, too weak to indicate on the S  
meter.


Windy KM5Q
#764
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