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K3S Sub-Receiver: How to Hear Both Receivers?

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Byron Peebles

K3S Sub-Receiver: How to Hear Both Receivers?

Is there a way to have the signals on both the main and sub-receivers?

For example, listening to a DX operator who is running split.

I would like to hear the DX on the Main, and both Listen and Transmit on
the Sub.

I've read and re-read a lot of pages, pressed a lot of button
combinations, but have yet to hear any signals on the sub-receiver.
When I A/B swap, I hear things on Main, but never on Sub.

I am new to the Elecraft style, so I might bemissing something obvious
to others.

(100)-72, Byron

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Elecraft mailing list

Re: K3S Sub-Receiver: How to Hear Both Receivers?

You don't need to do anything special except have two speakers or a stereo headset. One output goes to left speaker and the other to the right speaker. You can hear the difference unless you have a hearing problem. Likewise with a stereo headset you hear one in the left ear and one in the right. Willis 'Cookie' Cooke,TDXS Contest Chairman K5EWJ & Trustee N5BPS
From: Byron Peebles <[hidden email]>
To: [hidden email]
Sent: Sunday, August 9, 2015 5:52 PM
Subject: [Elecraft] K3S Sub-Receiver: How to Hear Both Receivers?

Is there a way to have the signals on both the main and sub-receivers?

For example, listening to a DX operator who is running split.

I would like to hear the DX on the Main, and both Listen and Transmit on
the Sub.

I've read and re-read a lot of pages, pressed a lot of button
combinations, but have yet to hear any signals on the sub-receiver.
When I A/B swap, I hear things on Main, but never on Sub.

I am new to the Elecraft style, so I might bemissing something obvious
to others.

(100)-72, Byron

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Don Wilhelm-4

Re: K3S Sub-Receiver: How to Hear Both Receivers?

In reply to this post by Byron Peebles

Byron,

First, it is not possible to transmit on the Sub - it is receive only.

I don't know what you mean by "have the signals on both the main and
sub-receivers" - if you turn on the SUB, you will have the main in one
ear and the SubRX in the other.

You can hear signals in the main RX, and also in the SubRX (if you have
the SUB turned on). Normally the main RX frequency is displayed in VFO
A and the subRX frequency is in VFO B. Your transmit frequency will be
on VFO A unless you go SPLIT and then it changes to VFO B. If you have
any question about which VFO will be used for transmit, look at the
"arrow" to the right of the display - it points to the VFO that will be
used for transmit.

With the K3 in SPLIT, the transmit arrow will point to VFO B, and that
will be the frequency you will transmit on, so you would tune VFO A to
the DX and tune VFO B to the pileup to find the spot you wish to transmit.

With the SubRX on, you can accomplish the same thing without going into
SPLIT, but you will transmit on VFO A - tune that vfo to the pileup, and
with VFO B, tune to the DX station.

It is not complicated as long as you observe the transmit arrow display.
I prefer to tune through the pileup with the big knob and place my
transmit frequency at what I consider a good spot. The DX station does
not often move, so once I tune in the DX with the VFO B knob, there is
no reason to change VFO B.

73,
Don W3FPR

On 8/9/2015 6:52 PM, Byron Peebles wrote:

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Scott Manthe-2

Re: K3S Sub-Receiver: How to Hear Both Receivers?

In reply to this post by Byron Peebles

Byron,
Perhaps you're missing the first step: you need to turn it on by tapping
"sub" on the front panel.

73,
Scott N9AA

On 8/9/15 6:52 PM, Byron Peebles wrote:

> Is there a way to have the signals on both the main and sub-receivers?
>
> For example, listening to a DX operator who is running split.
>
> I would like to hear the DX on the Main, and both Listen and Transmit
> on the Sub.
>
> I've read and re-read a lot of pages, pressed a lot of button
> combinations, but have yet to hear any signals on the sub-receiver.
> When I A/B swap, I hear things on Main, but never on Sub.
>
> I am new to the Elecraft style, so I might bemissing something obvious
> to others.
>
> (100)-72, Byron
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>

Byron Peebles

Re: SOLVED: K3S Sub-Receiver: How to Hear Both Receivers?

In reply to this post by Byron Peebles

Lots of great tips from list members: Thanks everyone!

For me, the answer was to use B SET and tap the ANT button to get it on
the antenna.

Other great steps: SPEAKERS 2, SUB, etc. Luckily I just missed this one.

(100)72, Byron

On 08/09/2015 06:52 PM, Byron Peebles wrote:

Byron Peebles

Re: K3S Sub-Receiver: How to Hear Both Receivers?

In reply to this post by Don Wilhelm-4

I think this is another un-learning experience for me, coming from a
radio with two big knobs.
It makes sense to reverse the way I used the VFOs in the past, so I have
to learn the mechanics of quickly going "split", locking the Sub, and
working the VFO A DX-receive frequency.

I have seen this written-up, but it didn't hit home until your note.

Great tip, Don.

(100) 72, Byron

On 08/09/2015 07:47 PM, Don Wilhelm wrote:
> It is not complicated as long as you observe the transmit arrow display.
> I prefer to tune through the pileup with the big knob and place my
> transmit frequency at what I consider a good spot. The DX station
> does not often move, so once I tune in the DX with the VFO B knob,
> there is no reason to change VFO B.

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gm3sek

Re: K3S Sub-Receiver: How to Hear Both Receivers?

In reply to this post by Don Wilhelm-4

Byron wrote:
>>
>> For example, listening to a DX operator who is running split.
>>
>> I would like to hear the DX on the Main, and both Listen and Transmit
>> on the Sub.
>>

Don replied:
>I prefer to tune through the pileup with the big knob and place my
>transmit frequency at what I consider a good spot. The DX station does
>not often move, so once I tune in the DX with the VFO B knob, there is
>no reason to change VFO B.

Byron, don't give up! Your instincts are entirely correct: use the main
receiver for the DX and the sub for the pileup.

Four good reasons:

1. By any meaningful definition of the term "DX", the DX station is
likely to be *much* weaker and more difficult to copy than stations in
the pileup. In some parts of the world, the DX station will also be
subject to strong and deliberate jamming that will make copy extremely
difficult.

2. But you still need to copy *every detail* of what the DX station
sends. Above all, you need 100% copy of the callsign that he's currently
replying to - in the hope that it's yours, of course, and then to
confirm that he copied it correctly.

3. You don't need good copy at all from the pileup. You only need to
identify a frequency where someone is sending "599" but you don't need
to know who that was, and you probably won't even call on that
frequency. It doesn't need your best receiver to do that.

4. The Main and Sub receivers are not "equal". The Main is by far your
best receiver because all the QRM-fighting features and controls are
immediately to hand. Many controls for the Sub cannot be reached without
first holding BSET, and the Sub may not have the full complement of
filters.

So stick with the method you know, Byron. The K3 can do it, and it
*will* net you more DX.

73 from Ian GM3SEK

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