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Search: Posts Made By: Mooncrest
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Forum: ATC Issues
3rd Jan 2019, 10:14
Replies: 64
Views: 27,087
Posted By Mooncrest

The Watchman must be a good machine to have such...

The Watchman must be a good machine to have such longevity. The one at LBA is approaching its 30th anniversary and has had the necessary modifications to guard against 4G interference. I wonder if...
Forum: ATC Issues
2nd Jan 2019, 15:26
Replies: 64
Views: 27,087
Posted By Mooncrest

My mistake.

My mistake.
Forum: ATC Issues
2nd Jan 2019, 10:10
Replies: 64
Views: 27,087
Posted By Mooncrest

Leeds Bradford is higher still, at about 680...

Leeds Bradford is higher still, at about 680 feet. If and when the LBA Watchman is replaced, I wonder if this will have to be accounted for. Perhaps the new Raytheon and Thales machines can overcome...
Forum: ATC Issues
1st Jan 2019, 04:12
Replies: 64
Views: 27,087
Posted By Mooncrest

Thankyou Downwind. I learn so much on this site.

Thankyou Downwind. I learn so much on this site.
Forum: ATC Issues
31st Dec 2018, 13:03
Replies: 64
Views: 27,087
Posted By Mooncrest

I'm no radar tech. If I'm reading this correctly,...

I'm no radar tech. If I'm reading this correctly, the antenna would usually be installed completely level. I'm surprised a half-degree tilt can make such a difference. Are there any downsides, such...
Forum: ATC Issues
28th Dec 2018, 10:19
Replies: 64
Views: 27,087
Posted By Mooncrest

Wasteful indeed, chevron. Like when NATS started...

Wasteful indeed, chevron. Like when NATS started replacing the Astrolite headsets with the Jetlite about twenty years ago. No technical advantage as both headsets used identical components. I wonder...
Forum: ATC Issues
29th Nov 2018, 15:10
Replies: 64
Views: 27,087
Posted By Mooncrest

This radar business is clearly far from simple....

This radar business is clearly far from simple. Different towers and plinths for mounting, numerous possible sites, different manufacturers, assorted wavelengths, displays and individual nuances. An...
Forum: ATC Issues
29th Nov 2018, 13:46
Replies: 64
Views: 27,087
Posted By Mooncrest

Thankyou P160. I didn't think I was looking at...

Thankyou P160. I didn't think I was looking at Manchester but I couldn't have been certain it was Heathrow either.
Forum: ATC Issues
29th Nov 2018, 11:36
Replies: 64
Views: 27,087
Posted By Mooncrest

Fascinating picture ZOOKER. I hate to be contrary...

Fascinating picture ZOOKER. I hate to be contrary but is this definitely EGCC - Manchester ? I remember the 264 but it was mounted at ground level near the RW24 threshold, as I recall. Also, I don't...
Forum: ATC Issues
29th Nov 2018, 10:27
Replies: 64
Views: 27,087
Posted By Mooncrest

Thankyou P160. I never considered those points,...

Thankyou P160. I never considered those points, plus the weight of the aerial would call for a robust structure. Glidepath aerials, on the other hand, are definitely designed to give. I've seen the...
Forum: ATC Issues
28th Nov 2018, 20:26
Replies: 64
Views: 27,087
Posted By Mooncrest

I suppose you can never have too many radar...

I suppose you can never have too many radar heads, provided they compliment, rather than cause grief with, each other. Glasgow once had a pair of Marconi 264s and Leeds Bradford kept the ACR430 going...
Forum: ATC Issues
28th Nov 2018, 11:06
Replies: 64
Views: 27,087
Posted By Mooncrest

Nice to see there is life in the old systems...

Nice to see there is life in the old systems after their heyday, as it were. Otherwise, there is a lot of scrap metal in the gantries, towers and aerials (assuming they're not made of fibreglass).
Forum: ATC Issues
27th Nov 2018, 18:42
Replies: 64
Views: 27,087
Posted By Mooncrest

What becomes of the obsolete radar heads and...

What becomes of the obsolete radar heads and towers ? NATS had plenty of Watchmans (if that's the right plural) which have all but completely disappeared. Sold on or end up in a scrap yard ?
Forum: ATC Issues
26th Nov 2018, 05:55
Replies: 64
Views: 27,087
Posted By Mooncrest

The consoles I saw at Teesside had the rolling...

The consoles I saw at Teesside had the rolling ball and keyboard but different display. Probably another hybrid !

The tower in ZOOKER's last picture looks more robust and more permanent than the...
Forum: ATC Issues
25th Nov 2018, 17:27
Replies: 64
Views: 27,087
Posted By Mooncrest

Which displays do you mean ? There's been a few....

Which displays do you mean ? There's been a few. I've seen the monochrome sets at Teesside back in '93 - I think they might have been the 'Crown' type. LBA has had one monochrome type (unknown make)...
Forum: ATC Issues
24th Nov 2018, 20:12
Replies: 64
Views: 27,087
Posted By Mooncrest

Thankyou ZOOKER. That's exactly what I was...

Thankyou ZOOKER. That's exactly what I was thinking of. The scaffold-like structure makes me think these were designed to be easily built and/or dismantled to allow for relocation, such as at...
Forum: ATC Issues
24th Nov 2018, 11:34
Replies: 64
Views: 27,087
Posted By Mooncrest

Hi chevron, I thought you might have some info ! ...

Hi chevron, I thought you might have some info !

The gantries at the NATS units (including Edinburgh, Stansted, Birmingham, Manchester and Heathrow) were all identical so it's a reasonable...
Forum: ATC Issues
23rd Nov 2018, 20:37
Replies: 64
Views: 27,087
Posted By Mooncrest

Plessey Watchman primary radar

I know this radar is now more or less gone from NATS units, but, I have a question. Why was the radar aerial at NATS units always mounted on enormous tall gantries (a bit like a scaffold) with proper...
Showing results 1 to 18 of 18


 
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