[RFI] OT? Why Does 1450 Wobble & 970 Not?

[kd4e]

So to eliminate the "flutter" (that's the term I was
struggling for, thanks) - I need to try some sort of
directional antenna and/or perhaps a nulling system
(active or passive)?

> 1450 KHz has many more "local" stations on it in the USA than does 970.
> 
> 1450 has better "sky wave propagation" being that it is higher in frequency.
> So what you are hearing as wobble is either multiple stations on 1450 KHz or
> more likely the effects of multi path propagation (ground wave and sky wave
> which = QSB). 
> 
> 970 is a much better "ground wave" frequency than 1450.
> 
>>From a ground wave perspective:
> 5 KW at 570 KHz goes as far as 50 KW at 1500 KHz! 
> 
> 1500 has much better skywave propagation at night
> 
> 73!
> Tim K3LR



-- 

Thanks! & 73, doc, KD4E
Personal: http://bibleseven.com/kd4e.html