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Re: LF: EbNaut

To: [email protected]lacksheep.org
Subject: Re: LF: EbNaut
From: Rob Renoud <[email protected]>
Date: Sat, 19 Jan 2019 08:51:40 -0500
In-reply-to: <[email protected]>
References: <[email protected]om> <[email protected]om> <[email protected]>
Reply-to: [email protected]
Sender: [email protected]
EbNauters,

No copy here either.

Supporting Jay’s suggestions, I note that the majority of my successful TA 
EbNaut transmissions from FM18qi have been using transmission periods of less 
than 30 minutes.

73,
Rob - K3RWR


> On Jan 19, 2019, at 06:30, "[email protected]" <[email protected]> 
> wrote:
> 
> Alex, Riccardo & EbNaut-eers
>  
> Unfortunately no copy of either station last night. Alex ... understand your 
> TX frequency may have been moving around.
>  
> I wonder if a 1 hour transmission is too long for 137 kHz? Recalling 
> spectrograms of QRSS going back many years seems to indicate a QSB pattern of 
> approximately 15 - 30 minutes. Both receptions of IZ7SLZ and IW4DXW (a while 
> back) were 'one and done' with no hint of the signal in adjacent time slots 
> ... using 30 minute transmission times. Even DK7FC's normally big signal 
> shows big QSB swings from one half hour period to the next. Can't help but 
> wonder if 20 or 30 minute transmission periods make better use of the QSB 
> characteristics on 136 kHz.
>  
> Comments?
>  
> Jay W1VD      



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