Agreed, auroral CW is more hiss than tone. A bit more challenging to copy.
73
Bob, K4TAX
----- Original Message -----
From: "VE1BN" <ve1bn@eastlink.ca>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Wednesday, January 16, 2008 12:41 PM
Subject: Re: [TenTec] Argonaut II internal CW audio filter?
> Steve -
>
> I have worked VHF auroral CW many years in the past. Auroral CW does
> sound
> like a hiss.
> The northern lights breaks up the CW into a hissing sound. not like
> regular
> HF CW sounds
> that you might expect..
>
> 73 - Don, VE1BN
>
>
> ----- Original Message -----
> From: "Steve Berg" <wa9jml@tbc.net>
> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Sent: Wednesday, January 16, 2008 2:29 PM
> Subject: Re: [TenTec] Argonaut II internal CW audio filter?
>
>
>>
>>
>> I am looking for a way to either disable the internal audio low pass CW
>> filter in my Argonaut II, or else raise its cutoff frequency quite a
>> bit. I believe that presently it has a cutoff at 1 KHz, and that makes
>> it difficult to copy auroral CW signals which sound like someone hissing
>> in Morse. I use the old radio as the tunable IF rig with my VHF
>> transverters.
>>
>> 73,
>>
>> Steve WA9JML
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