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
|
