Re: [Elecraft] K3S Radio check? (signal generator)

[dw]

I used a simple 4-pin clock-oscillator running at 7.32mhz.
Runs on 5VDC.
Put it in a project box with LM7805 and a 12 inch wire as antenna.
Can't use that as a signal generator for circuit tracing though without
seriously limiting its output.
But it makes for a simple little qrp xmitter.

With nothing attached to K3 ANT1 input, lay the wire next to the K3.
Picked up the signal S9.
Hope you find the issue Jerry.
-- 
 bw...@fastmail.net

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Re: [Elecraft] K3S Radio check? (signal generator)

[Jerry Moore]

As it turns out the issues are mostly related to my antenna and operator
error... e.g. not knowing how to correctly use the DSP/AGC/Filters/RF
gain.etc.. 

Rig is working 100%  PEBKAC error ;)

Jerry Moore
CDXA, INDEXA, SKCC, Fists
AE4PB, K3S - S.N. 010324
http://www.qrz.com/db/AE4PB
An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced, and
Patriotic.


-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of dw
Sent: Monday, October 12, 2015 2:03 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3S Radio check? (signal generator)

I used a simple 4-pin clock-oscillator running at 7.32mhz.
Runs on 5VDC.
Put it in a project box with LM7805 and a 12 inch wire as antenna.
Can't use that as a signal generator for circuit tracing though without
seriously limiting its output.
But it makes for a simple little qrp xmitter.

With nothing attached to K3 ANT1 input, lay the wire next to the K3.
Picked up the signal S9.
Hope you find the issue Jerry.
--
 bw...@fastmail.net

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delivered to je...@carolinaheli.com

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[Elecraft] K3S Radio check?

[ae4pb]

 

I'm not sure if my antenna/coax/radio is deaf because I can hear some
signals. Is there a way to quantify and verify that at least the radio is
receiving as designed ? The K3S, antenna, and coax are all new. 

Without a signal generator or such I'm not sure how this can be
accomplished. I was only able to barely hear one or two people on the SSB
net and was not able to check in.  

I'm in the Charlotte NC area for reference. My dipole is at 35' broadside to
45 degrees. Due to the height I'd expect high angle radiation which should
help/work for NVIS and longer type contacts. 

 

Thanks in advance. 

 

 

 

Jerry Moore

CDXA, INDEXA, SKCC, Fists

AE4PB, K3S - S.N. 010324

http://www.qrz.com/db/AE4PB

An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced, and
Patriotic.

 

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Re: [Elecraft] K3S Radio check?

[Cliff Frescura]

I would start with your local AM Broadcast stations like WBT on 1100 KHz.  I
would then check out WWV on 5.0MHz, 10MHz, 15MHz, 20MHz as well as CHU in
Canada on 3.33MHz, 7.850MHz and 14.67MHz.  You might want to add these into
memory for easy recall.

Be mindful that time of day/current propagation/solar conditions will be in
play as well.

73,

Cliff K3LL/6

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
ae...@carolinaheli.com
Sent: Sunday, October 11, 2015 12:20 PM
To: 'ELECRAFT'
Subject: [Elecraft] K3S Radio check?

 

I'm not sure if my antenna/coax/radio is deaf because I can hear some
signals. Is there a way to quantify and verify that at least the radio is
receiving as designed ? The K3S, antenna, and coax are all new. 

Without a signal generator or such I'm not sure how this can be
accomplished. I was only able to barely hear one or two people on the SSB
net and was not able to check in.  

I'm in the Charlotte NC area for reference. My dipole is at 35' broadside to
45 degrees. Due to the height I'd expect high angle radiation which should
help/work for NVIS and longer type contacts. 

 

Thanks in advance. 

 

 

 

Jerry Moore

CDXA, INDEXA, SKCC, Fists

AE4PB, K3S - S.N. 010324

http://www.qrz.com/db/AE4PB

An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced, and
Patriotic.

 

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delivered to c...@cfcorp.com




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Re: [Elecraft] K3S Radio check?

[brian]

Ron,
Second that.   I found it easier to maximize output by  substituting a 
1k resistor in series with a 1K pot for the 1.8 K resistor.   Also after 
connecting the battery backwards once,  a diode in series with the + 
supply was added.


73 de Brian/K3KO

This unit produces about S9 noise on most bands with a fresh battery.   
Great for aligning filters.


73 de Brian/K3KO
On 10/11/2015 20:28 PM, Ron D'Eau Claire wrote:

Cdx are punk here in the Northwest today. Very few signals below 21 MHz.

If one of the little Elecraft sig gens is too pricy ($90 to $180), think
about assembling a little noise generator. I have one made out of a handful
of parts with the most expensive piece being the 9V battery. The late Tom
Hammond, N0SS, still has it on his web site:

http://www.mmccs.com/mmarc/n0ss/noise_generator_ac7ac-style.pdf

There are a couple of other versions on the same page.

Once you note how your S-meter reacts to it on each band when the rig is
obviously working well you can use it to see if your rig has gone deaf
later.

Ron AC7AC


-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
ae...@carolinaheli.com
Sent: Sunday, October 11, 2015 12:44 PM
To: 'Cliff Frescura'; ae...@carolinaheli.com; 'ELECRAFT'
Subject: Re: [Elecraft] K3S Radio check?

2.5 nothing band noise
5 nothing just band noise
10 signal S6.5 with lots of band noise but readable
15 S6.5~S7 readable and clear with band noise
20 S8.5 very strong with almost no noise
25 S9 solid tone of some kind, no other signal or sound evident.

I don't have the all band receive module if that matters..

I'm thinking everything is working and I just need better antennas.. ?
Thanks in advance.



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-
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Version: 2015.0.6140 / Virus Database: 4435/10798 - Release Date: 10/11/15




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Re: [Elecraft] K3S Radio check?

[ae4pb]

2.5 nothing band noise
5 nothing just band noise
10 signal S6.5 with lots of band noise but readable
15 S6.5~S7 readable and clear with band noise
20 S8.5 very strong with almost no noise
25 S9 solid tone of some kind, no other signal or sound evident.

I don't have the all band receive module if that matters..

I'm thinking everything is working and I just need better antennas.. ?
Thanks in advance.

-Original Message-
From: Cliff Frescura [mailto:c...@cfcorp.com] 
Sent: Sunday, October 11, 2015 3:35 PM
To: ae...@carolinaheli.com; 'ELECRAFT'
Subject: RE: [Elecraft] K3S Radio check?

I would start with your local AM Broadcast stations like WBT on 1100 KHz.  I
would then check out WWV on 5.0MHz, 10MHz, 15MHz, 20MHz as well as CHU in
Canada on 3.33MHz, 7.850MHz and 14.67MHz.  You might want to add these into
memory for easy recall.

Be mindful that time of day/current propagation/solar conditions will be in
play as well.

73,

Cliff K3LL/6

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
ae...@carolinaheli.com
Sent: Sunday, October 11, 2015 12:20 PM
To: 'ELECRAFT'
Subject: [Elecraft] K3S Radio check?

 

I'm not sure if my antenna/coax/radio is deaf because I can hear some
signals. Is there a way to quantify and verify that at least the radio is
receiving as designed ? The K3S, antenna, and coax are all new. 

Without a signal generator or such I'm not sure how this can be
accomplished. I was only able to barely hear one or two people on the SSB
net and was not able to check in.  

I'm in the Charlotte NC area for reference. My dipole is at 35' broadside to
45 degrees. Due to the height I'd expect high angle radiation which should
help/work for NVIS and longer type contacts. 

 

Thanks in advance. 

 

 

 

Jerry Moore

CDXA, INDEXA, SKCC, Fists

AE4PB, K3S - S.N. 010324

http://www.qrz.com/db/AE4PB

An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced, and
Patriotic.

 

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Re: [Elecraft] K3S Radio check?

[Ron D'Eau Claire]

Cdx are punk here in the Northwest today. Very few signals below 21 MHz. 

If one of the little Elecraft sig gens is too pricy ($90 to $180), think
about assembling a little noise generator. I have one made out of a handful
of parts with the most expensive piece being the 9V battery. The late Tom
Hammond, N0SS, still has it on his web site:

http://www.mmccs.com/mmarc/n0ss/noise_generator_ac7ac-style.pdf

There are a couple of other versions on the same page. 

Once you note how your S-meter reacts to it on each band when the rig is
obviously working well you can use it to see if your rig has gone deaf
later. 

Ron AC7AC


-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
ae...@carolinaheli.com
Sent: Sunday, October 11, 2015 12:44 PM
To: 'Cliff Frescura'; ae...@carolinaheli.com; 'ELECRAFT'
Subject: Re: [Elecraft] K3S Radio check?

2.5 nothing band noise
5 nothing just band noise
10 signal S6.5 with lots of band noise but readable
15 S6.5~S7 readable and clear with band noise
20 S8.5 very strong with almost no noise
25 S9 solid tone of some kind, no other signal or sound evident.

I don't have the all band receive module if that matters..

I'm thinking everything is working and I just need better antennas.. ?
Thanks in advance.



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Re: [Elecraft] K3S Radio check?

[Bill]

40 meters is alive with signals as of 16:50 Eastern time. If you don't 
have that - something is wrong in your system. No signal generator 
needed for that test.


Bill W2BLC K-Line
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Re: [Elecraft] K3S Radio check?

[dw]

Jerry,
I had a 2 foot long alligator clip lead on the antenna input of my K3s
today and was hearing cw signals all over 40 meters.

K3s is a pretty hot receiver.
You might try to connect up a wire 5-10 feet long to the ANT 1 input.
Put the rig in TEST mode and see what you hear.
Fingers crossed you figure it out.
-- 
 bw...@fastmail.net

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Re: [Elecraft] K3S Radio check?

[Bill Adams]

Make certain that the selected antenna input is correct. 

Bill af4b

Sent from my iPad

> On Oct 11, 2015, at 6:32 PM, dw  wrote:
> 
> Jerry,
> I had a 2 foot long alligator clip lead on the antenna input of my K3s
> today and was hearing cw signals all over 40 meters.
> 
> K3s is a pretty hot receiver.
> You might try to connect up a wire 5-10 feet long to the ANT 1 input.
> Put the rig in TEST mode and see what you hear.
> Fingers crossed you figure it out.
> -- 
> bw...@fastmail.net
> 
> __
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