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Victor
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Alan Pilot
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Alan Pilot
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Alan Pilot


Call Sign : 163-CT-220...MW7TTA
Posts : 1937
Times Thanked : 47
Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 149

Topographic map Empty
PostSubject: Topographic map   Topographic map Icon_minitimeMon Aug 08, 2022 6:52 am

Found this on another forum but found out i was 24m ASL from it lower than i thought.

https://en-gb.topographic-map.com/maps/b9/England/

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Wireless
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Posts : 350
Times Thanked : 12
Join date : 2021-11-19
QTH or Location : Shrewsbury
Equipment Used : kit

Topographic map Empty
PostSubject: Re: Topographic map   Topographic map Icon_minitimeMon Aug 08, 2022 7:28 am

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Last edited by Wireless on Wed Aug 17, 2022 11:07 am; edited 1 time in total
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Wireless
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QTH or Location : Shrewsbury
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Topographic map Empty
PostSubject: Re: Topographic map   Topographic map Icon_minitimeMon Aug 08, 2022 7:35 am

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Last edited by Wireless on Wed Aug 17, 2022 11:08 am; edited 1 time in total
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Victor
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Call Sign : 26-CT-3228 Ham M7VIC
Posts : 4030
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Join date : 2019-11-10
QTH or Location : Bedford
Equipment Used : Various

Topographic map Empty
PostSubject: Re: Topographic map   Topographic map Icon_minitimeMon Aug 08, 2022 7:39 am

I wouldn't worry Alan, I'm at not a dissimilar height as you but 60 odd miles away from the sea!!
(Deep, dark hole that is Bedford.)

Luckily HF signals seems to be bouncing off the sky OK. Wink

I posted this map a while back now when I was playing around with VHF/UHF contacts seeing where my line of sight was. Turned out I had a gap in the hills just SSW of me where I could get a signal into the Tring 70cm repeater the next county over which would then fire to my old friend in Milton Keynes the other county over. Up and down counties because there's a big hill between us!!!!
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Alan Pilot
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Alan Pilot


Call Sign : 163-CT-220...MW7TTA
Posts : 1937
Times Thanked : 47
Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 149

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PostSubject: Re: Topographic map   Topographic map Icon_minitimeMon Aug 08, 2022 7:45 am

Morning Victor
Don't remember seeing it sorry.
I can zoom in and almost click on my roof lol.
Always thought i was around 65m ASL.

Wayne
A lot of mountains round this part to get over.
But shows how strange radio is my m8 lives near the top of one i can see from my shack but can't talk on HF to him only 2mFM.
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Victor
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Call Sign : 26-CT-3228 Ham M7VIC
Posts : 4030
Times Thanked : 253
Join date : 2019-11-10
QTH or Location : Bedford
Equipment Used : Various

Topographic map Empty
PostSubject: Re: Topographic map   Topographic map Icon_minitimeMon Aug 08, 2022 8:48 am

No need to apologise Alan, I think most would rather see such a useful resource posted a hundred times over than never at all. It certainly came in handy for me trying to figure out where I could fire line of sight transmissions to.

As for your friend with VHF contact but no HF the following articles might help a bit :-

Surface Wave Propagation

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Sharpshooter
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Sharpshooter


Call Sign : 163-CT-329
Posts : 278
Times Thanked : 10
Join date : 2022-04-05
QTH or Location : Flintshire
Equipment Used : CRT SS 9900, Ranger 2950DX, Manor Kestrel, Sirio 4000 antenna, CRT space U, Sirio SU375-480 PL antenna, UV5R's x2,

Topographic map Empty
PostSubject: Re: Topographic map   Topographic map Icon_minitimeMon Aug 08, 2022 10:26 am

I was looking for one of these maps the other day so many thanks.
I can remember using one many years ago when I dabbled with computers.
I'm only 20m although I can see for miles east to west.

163m at my coastal retreat.
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Andy2490
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Call Sign : 108-CT-345
Posts : 29
Times Thanked : 1
Join date : 2022-05-01
QTH or Location : Newcastleton
Equipment Used : Bearcat 980/ TTI 881

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PostSubject: Re: Topographic map   Topographic map Icon_minitimeMon Aug 08, 2022 3:21 pm

A great resource, I've seen others but this one is by far the easiest to use. Many Thanks

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Join date : 2021-11-19
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Topographic map Empty
PostSubject: Re: Topographic map   Topographic map Icon_minitimeMon Aug 08, 2022 3:25 pm

.


Last edited by Wireless on Wed Aug 17, 2022 11:08 am; edited 1 time in total
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Wireless
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Posts : 350
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Topographic map Empty
PostSubject: Re: Topographic map   Topographic map Icon_minitimeMon Aug 08, 2022 3:28 pm

.


Last edited by Wireless on Wed Aug 17, 2022 11:09 am; edited 1 time in total
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Ivy Mike
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Ivy Mike


Call Sign : 26CT4113/G1HWY
Posts : 232
Times Thanked : 7
Join date : 2021-05-16
QTH or Location : IO90uv
Equipment Used : ICOM radios/antenna farm
Age : 67

Topographic map Empty
PostSubject: Re: Topographic map   Topographic map Icon_minitimeMon Aug 08, 2022 3:31 pm

Always gone by OS map and the 50foot contour runs just to the west of my QTH.
GPS seems to validate this so thats ok by me.
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Alan Pilot
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Call Sign : 163-CT-220...MW7TTA
Posts : 1937
Times Thanked : 47
Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 149

Topographic map Empty
PostSubject: Re: Topographic map   Topographic map Icon_minitimeMon Aug 08, 2022 4:08 pm

He never fails.
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SangueG
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Call Sign : 26-CT-3971 / M7TDV
Posts : 733
Times Thanked : 40
Join date : 2021-01-30
QTH or Location : Cirencester, Gloucestershire
Equipment Used : Little radios, home-made antennas

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PostSubject: Re: Topographic map   Topographic map Icon_minitimeMon Aug 08, 2022 6:32 pm

Good site. I thought I was 115m, but looks I am more like 125m. Close enough anyways Smile
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Alan Pilot
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Alan Pilot


Call Sign : 163-CT-220...MW7TTA
Posts : 1937
Times Thanked : 47
Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 149

Topographic map Empty
PostSubject: Re: Topographic map   Topographic map Icon_minitimeSun Aug 14, 2022 7:37 am

A couple more maps you might find useful but you will know about them but just in case.

https://www.lightningmaps.org/#m=oss;t=3;s=0;o=0;b=;ts=0;y=53.028;x=-4.021;z=5;

https://www.ventusky.com/

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