Yes - Aurora actually arced back into morning twilight before it was nixed by
daylight
Looking forward to quieter times in the coming year or two Alan
Laurence
Seattle enroute Blightly
> On Oct 18, 2015, at 09:29, Alan Melia <[email protected]> wrote:
>
> Hi Laurence yes I can imagine...... the impact was at around 0800z The
> bottom of the Dst was around 1500z. NOAA SEC shows the aurora right down to
> the Alaskan coast.
>
> Alan
> ----- Original Message ----- From: "Laurence KL7 L"
> <[email protected]>
> To: <[email protected]>
> Sent: Sunday, October 18, 2015 5:12 PM
> Subject: Re: LF: Re: Good 136kHz conditions
>
>
> Wasnt a good night last night over here on 136/475 and visual Au seen pre
> dawn as I flew down to Seattle
>
> Laurence KL7L/AM
>
>
>> On Oct 18, 2015, at 05:56, Alan Melia <[email protected]> wrote:
>>
>> Hi Mike it is interesting to see that your "Good Conditions" were just
>> before a bout of geomagnetic activity :-)) The Dst was nothing special last
>> night (-40nT) but it plunged to -80nT around noon today. All the contacts
>> you quote are around the 2000km max range so are one hop and the
>> precipitated hot electrons did not appear until daylight, but it is possible
>> these initially aided the Italian copy and your 2000km daylight paths. These
>> will probably disappear later in the day.
>>
>> At longer range Roelof reports good signals from Joe VO1NA up to two hours
>> after ground sunrise. This is a 2-hop path. This could have been due to
>> precipitared electrons "filling" the morning dip on the 2nd hop but it was a
>> little early for that. There is also my belief that solar wind electrons
>> may aid E-layer ionisation so mild activity may lead to better night-time
>> conditions. My suspicion is that the paths will not be quite so good
>> tonight....we shall see. The geomagnetic activity does not seem too intense
>> so will probably soon decay, and we will be back to "normal" again.
>>
>> Alan
>> G3NYK
>>
>>
>>
>> ----- Original Message ----- From: "Mike Dennison"
>> <[email protected]>
>> To: <[email protected]>; <[email protected]>
>> Sent: Sunday, October 18, 2015 12:53 PM
>> Subject: LF: Good 136kHz conditions
>>
>>
>>> Good conditions and activity last night on the 136kHz band. My Op32
>>> transmission at midnight UTC last night produced reports from nine
>>> countries, including LA, SM, EW6, SV, SP and EA. I also received Op32
>>> from Russia and Italy.
>>>
>>> This morning, my transmission at 1035UTC was reported by three
>>> stations around the 2000km mark. IS7SLZ is also readable.
>>>
>>> A good time to dust off the LF gear.
>>>
>>> Mike, G3XDV
>>> ==========
>
>
|
