Date   

strange tone using FT8 on 80M

todd ruby
 

Hi all,
I have been playing around with FT8 on my K3, and it has been working fine on all the bands where I have transmitted, 17,20 and 40M. However, on 80M, instead of the pure tone as on the other bands I am getting the tone but also a hum/buzz unless I dial the power down to 20W. On all the other bands I hear the pure transmit tone regardless of the power setting from 50-700W with no problems.

Any ideas what is up with  80?

tnx es 73

todd 
WB2ZAB
SN#339


Re: K3/0 mic path question

Dennis Ashworth
 

Yes, the bias is on.
Thanks

On Feb 11, 2019, at 8:07 PM, Gary K9GS <garyk9gs@...> wrote:

Did you turn on the bias?



73,

Gary K9GS

-------- Original message --------
From: Dennis Ashworth <dennisashworth49@...>
Date: 2/11/19 9:17 PM (GMT-06:00)
Subject: [Elecraft-K3] K3/0 mic path question

I’m attempting to interface a CM500 headset to my K3/0 mini. The phones audio is no issue, but I can’t seem to get mic drive to the side panel mic jack. I’ve tried the various config options, Vox gain at 100, anti vox at 0, but no joy? Ideas?

Dennis, K7FL



Re: K3/0 mic path question

Gary K9GS
 

Did you turn on the bias?



73,

Gary K9GS

-------- Original message --------
From: Dennis Ashworth <dennisashworth49@...>
Date: 2/11/19 9:17 PM (GMT-06:00)
To: Elecraft-K3@groups.io
Subject: [Elecraft-K3] K3/0 mic path question

I’m attempting to interface a CM500 headset to my K3/0 mini. The phones audio is no issue, but I can’t seem to get mic drive to the side panel mic jack. I’ve tried the various config options, Vox gain at 100, anti vox at 0, but no joy? Ideas?

Dennis, K7FL



K3/0 mic path question

Dennis Ashworth
 

I’m attempting to interface a CM500 headset to my K3/0 mini. The phones audio is no issue, but I can’t seem to get mic drive to the side panel mic jack. I’ve tried the various config options, Vox gain at 100, anti vox at 0, but no joy? Ideas?

Dennis, K7FL


RX ANT input reception issue

Petr Ourednik
 

Hi all,

I would like to ask kindly for ideas, tips or opinion please.

Simply I have problem with RX ANT input reception. I lost reception from external Beverages
on that input during last contest event > it worked well most of the time but Sunday evening
I realized that noise from Beverages is going down, some time later I realized that even sigs
lower and lower and finally after some time (15-20min) I realized that I am deaf from RX ANT input.
When I switched to receive back from ANT1 main all looked ok with receiver sensitivity etc.
It happened not instantly but gradually!

When I disconnected BNC from KXV3 board on read panel of K3 and put it back it received instantly OK.
So my first though was > well I have bad contact on the coaxial cable/BNC. Unfortunately
when I switched RX ANT input OFF then ON I lost sigs immediately again.
I tried to shaking with BNC on rear panel and randomly I got it back to work but
when switched on front panel the RX ANT again I lost reception from external Beverages again.

So something is wrong in my K3 and have no idea what to do at this moment BUT...
... it can be also linked to the "Phenomenon" from the Sunday earlier morning.
I noticed in the morning that during transmitting I had strong audio feedback into QSK which
sounded to me at first like short echo from myself > propagation Phenomenon.
I made short vid here: https://youtu.be/cV3rzlsZbA4

When I talked to other people they routed my mind to idea that it can be linked to RX ANT issue then after in the evening...

I am using always Front-end antenna Saver circuit which is grounding receiver input on RX ANT
port when TXing by fast relays (0.5ms) and I used only K3 at 100W out without any power amplifier!
So I do not believe/hope that I damaged it by TXing to Inverted V antenna by induced energy back thru Beverages...
See the FES circuit used here:
http://ok1rp.blogspot.com/2015/03/front-end-saver-for-lb-antennas.html

I will be happy to get some idea, advise or hint what I should check and replace or how I could solve it.

73 - Petr, OK1RP


Re: No power out on data A mode after firmware upgrade

Bob Brodovsky K6UDA
 

Thank you. The line gain was reset to 1. I'm back up now. Thanks a bunch. -K6UDA


Re: No power out on data A mode after firmware upgrade

Bob Brodovsky K6UDA
 

Yes it is. in the data A position.


Re: K3S Loose Microphone Connector

Michael Foerster
 

Thanks guys, guess it's normal...

I thought about trying to solder the shell to the wire on the back side, but I doubt that the solder would stick. 
   I'll just leave it alone. 

Mike, W0IH


Re: K3S Loose Microphone Connector

Dave Cole
 

After removing the little metal cap, I checked, mine is the same way, the pins are hard bound, the ring is loose.

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 2/5/19 4:09 PM, Richard Williams via Groups.Io wrote:
Ed,
The 8 pins within the connector are tight; the part with some "play" is just the ring with the threads on it.
Dick, K8ZTT
On Tuesday, February 5, 2019, 3:16:03 PM MST, Ed Pflueger <ab4iq@comcast.net> wrote:
I have 10853 and 10858 for K3S’s and 2971 for a K3 and all of mine are tight.  I bought the deluxe models.  Hi..
Ed.. AB4IQ
*From:*Elecraft-K3@groups.io [mailto:Elecraft-K3@groups.io] *On Behalf Of *Steven Wolf KC8BW
*Sent:* Tuesday, February 5, 2019 3:40 PM
*To:* Elecraft-K3@groups.io
*Subject:* Re: [Elecraft-K3] K3S Loose Microphone Connector
Mine is also loose.  I haven't opened it up, but I figured that the connector was just soldered to the board and not fastened to the front panel.  It seems that most electronic items are constructed that  way these days.  In other words, "they don't make 'em like they used to"
73,
Steve  KC8BW


Re: K3S Loose Microphone Connector

Richard Williams
 

Ed,

The 8 pins within the connector are tight; the part with some "play" is just the ring with the threads on it.

Dick, K8ZTT

On Tuesday, February 5, 2019, 3:16:03 PM MST, Ed Pflueger <ab4iq@...> wrote:


I have 10853 and 10858 for K3S’s and 2971 for a K3 and all of mine are tight.  I bought the deluxe models.  Hi..

 

Ed.. AB4IQ

 

From: Elecraft-K3@groups.io [mailto:Elecraft-K3@groups.io] On Behalf Of Steven Wolf KC8BW
Sent: Tuesday, February 5, 2019 3:40 PM
To: Elecraft-K3@groups.io
Subject: Re: [Elecraft-K3] K3S Loose Microphone Connector

 

Mine is also loose.  I haven't opened it up, but I figured that the connector was just soldered to the board and not fastened to the front panel.  It seems that most electronic items are constructed that  way these days.  In other words, "they don't make 'em like they used to"

73,

Steve  KC8BW


Re: K3S Loose Microphone Connector

Ed Pflueger
 

I have 10853 and 10858 for K3S’s and 2971 for a K3 and all of mine are tight.  I bought the deluxe models.  Hi..

 

Ed.. AB4IQ

 

From: Elecraft-K3@groups.io [mailto:Elecraft-K3@groups.io] On Behalf Of Steven Wolf KC8BW
Sent: Tuesday, February 5, 2019 3:40 PM
To: Elecraft-K3@groups.io
Subject: Re: [Elecraft-K3] K3S Loose Microphone Connector

 

Mine is also loose.  I haven't opened it up, but I figured that the connector was just soldered to the board and not fastened to the front panel.  It seems that most electronic items are constructed that  way these days.  In other words, "they don't make 'em like they used to"

73,

Steve  KC8BW


Re: K3S Loose Microphone Connector

Steven Wolf KC8BW
 

Mine is also loose.  I haven't opened it up, but I figured that the connector was just soldered to the board and not fastened to the front panel.  It seems that most electronic items are constructed that  way these days.  In other words, "they don't make 'em like they used to"

73,

Steve  KC8BW


Re: K3S Loose Microphone Connector

southdaleus
 

My K3s front mike connector is tight.

Dale, K9VUJ

On 05, Feb 2019, at 12:42, Dave Cole <dave@nk7z.net> wrote:

Mine is loose as well...

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manger, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 2/5/19 9:48 AM, Ned Mountain WC4X wrote:
Mike,
When I sent my K3s in for service on another issue I mentioned that I thought the FP mic. connector seemed a little loose. The service report came back saying that this is normal. This has never been an issue but it still seems a little odd.
Ned
WC4X


Re: K3S Loose Microphone Connector

Dave Cole
 

That's the funny part, I have never used mine either... Always via the read panel.

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 2/5/19 11:32 AM, Richard Williams via Groups.Io wrote:
Well, I just checked my K3s, and be damned it is not loose too.  I have never used it (I use the rear panel one), so it has been that way from the get-go.
I also have a K3 (was replaced by the K3s when it was released) that I retired to my ARES go-kit, and use for FD every year (CW only).
My guess, is the case being "loose" is normal, normal.
Dick, K8ZTT
On Tuesday, February 5, 2019, 11:42:59 AM MST, Dave Cole <dave@nk7z.net> wrote:
Mine is loose as well...
73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manger, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon
On 2/5/19 9:48 AM, Ned Mountain WC4X wrote:
> Mike,
>
> When I sent my K3s in for service on another issue I mentioned that I
> thought the FP mic. connector seemed a little loose.  The service report
> came back saying that this is normal.  This has never been an issue but
> it still seems a little odd.
>
> Ned
> WC4X
>


Re: K3S Loose Microphone Connector

QUENTIN COLLIER
 

I had a similar experience - not with a K3 but with an MFJ voice keyer which uses the same type of connector..all my attempts to tighten it enough to stabilise it failed. Once I realised it wasn't all going to  disintegrate, I learnt to live with it - but it is a tad odd!

73, Quin G3WRR

On Tuesday, 5 February 2019, 17:48:32 GMT, Ned Mountain WC4X <ned.mountain@...> wrote:


Mike,

When I sent my K3s in for service on another issue I mentioned that I thought the FP mic. connector seemed a little loose.  The service report came back saying that this is normal.  This has never been an issue but it still seems a little odd.

Ned
WC4X


Re: K3S Loose Microphone Connector

harry latterman <harrylatterman@...>
 

Must be something different from the older K3.  I just checked my K3 (none S) and it is very tight...

Harry K7ZOV

On Tuesday, February 5, 2019, 11:43:00 AM MST, Dave Cole <dave@...> wrote:


Mine is loose as well...

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manger, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 2/5/19 9:48 AM, Ned Mountain WC4X wrote:
> Mike,
>
> When I sent my K3s in for service on another issue I mentioned that I
> thought the FP mic. connector seemed a little loose.  The service report
> came back saying that this is normal.  This has never been an issue but
> it still seems a little odd.
>
> Ned
> WC4X
>




Re: K3S Loose Microphone Connector

Richard Williams
 

Well, I just checked my K3s, and be damned it is not loose too.  I have never used it (I use the rear panel one), so it has been that way from the get-go.

I also have a K3 (was replaced by the K3s when it was released) that I retired to my ARES go-kit, and use for FD every year (CW only).

My guess, is the case being "loose" is normal, normal. 

Dick, K8ZTT 

On Tuesday, February 5, 2019, 11:42:59 AM MST, Dave Cole <dave@...> wrote:


Mine is loose as well...

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manger, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 2/5/19 9:48 AM, Ned Mountain WC4X wrote:
> Mike,
>
> When I sent my K3s in for service on another issue I mentioned that I
> thought the FP mic. connector seemed a little loose.  The service report
> came back saying that this is normal.  This has never been an issue but
> it still seems a little odd.
>
> Ned
> WC4X
>




Re: K3S Loose Microphone Connector

Dave Cole
 

Mine is loose as well...

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manger, 30MDG Grid Awards
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 2/5/19 9:48 AM, Ned Mountain WC4X wrote:
Mike,
When I sent my K3s in for service on another issue I mentioned that I thought the FP mic. connector seemed a little loose.  The service report came back saying that this is normal.  This has never been an issue but it still seems a little odd.
Ned
WC4X


Re: K3S Loose Microphone Connector

Ned Mountain WC4X
 

Mike,

When I sent my K3s in for service on another issue I mentioned that I thought the FP mic. connector seemed a little loose.  The service report came back saying that this is normal.  This has never been an issue but it still seems a little odd.

Ned
WC4X


Re: No power out on data A mode after firmware upgrade

Bob Elliot K1RI
 

Using the  K3 Utility RF Gain Calibration works for me.

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