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GB3MCB and fading

Author

Post

Andy, G0VUH

Mon May 19 2014, 05:06PM

Hi Guys,
During these long summer days from around second week in May until around September I recieve the beacon at S1-S5 in the early morning from around 05:00 until about 10:00 and then it comes back around 19:00 till about 21:00. The varibles from S1 to S5 is really strong now i understand 50mhz propagation but wonder why i dont hear it so often during the winter. Its some 410km from my location so its really great hearing it and i have it monitoring most mornings. I ve noticed that at S5 then there generally is some "E" around and i will swing the beam more east and work a few countries. At S1 there is no propagation! Now the question, is it that i can hear the beacon during the summer months because of the warming up of the ground and i would say the sea near GB3MCB and thats why i hear it? Only on some occasions can i hear it during winter.

[ Edited Fri May 30 2014, 10:20AM ]

Andy, G0VUH

Tue May 27 2014, 10:59AM

Andy, G0VUH

Registered Member #727

Joined: Sun Sep 28 2008, 08:37AM

Posts: 36

Thanks members for all your 241 views and not one reply as usual with this forum !!!!

Trev, EA5ISZ

Wed May 28 2014, 10:00AM

Trev, EA5ISZ

Registered Member #13

Joined: Tue Mar 18 2008, 01:43PM

Posts: 143

Well I suppose at least 241 people are reading your post Andy so your thoughts are at least being heard.

Personally I don't know the answer to your question; I guess your mention of ground warming is a suggestion that this possibly affects tropospheric propagation? An interesting thought but I have absolutely no idea whether that is indeed the case. Perhaps one of our members with meterological experience could shed some light?

Trev

Andy, G0VUH

Fri May 30 2014, 10:22AM

Andy, G0VUH

Registered Member #727

Joined: Sun Sep 28 2008, 08:37AM

Posts: 36

Thanks trev, it really interests me in how the beacons fade in and out with the seasons.

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