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Showing posts from July 28, 2013

Propagation a random mechanism ..

Friday 19 there was exceptional good 80M   grey-line propagation
500mW decodes by VK7DIK and  VK6XT
Just out of the blue  1 day super SS   after weeks with  maximum DX around 1000km in EU
Since the 19th all back to normal  absolute null DX  10 6 4 80m

First tonight  1 decode again by VK7DIK and  early morning N2NOM on 80m
2013-07-27 19:06  PA0O  3.594047  -22  0  JO33hg  5  VK7DIK  QE28sf  16731  84 
it was almost a radio blackout last week I even switched off the WSPR mode one day  after being on air almost continuous 2 years  it was the deepest dip in propagation this year  last week.


1.Lenovo W510 audio annoying intermittent contact
My W510 Lenovo Laptop had a problem with the build in left speaker an intermittent  bad contact  by pressing upon the speaker the sound could return but only for a few minutes.
This Lenovo already has a weak sound  system  we have 2 Lenovo laptops both have a weak audio.

The speakers are only  about 2.5x 1.5 cm and…