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Subject Re: Declaration does not match?
Thread Number 4 of 4 in thread
Author John Bridge
Posted 28-Apr-17 17:55:00
  Hi Colin,

Thanks for your comments and support.

I see that there IS a difference in coordinates for LAS (2016) and LAS (2017)

Taking one example at random, I see the declaration as extracted from the logger:

51 11.419N 001 01.915W LASHAM CLUBHOUSE
52 24.611N 002 15.081W KIDDERMINSTER
50 48.474N 002 28.882W CERNE ABBAS
51 10.506N 001 20.336W BULLINGTON
50 48.253N 000 14.968E EASTBOURNE NW
51 11.419N 001 01.915W LASHAM CLUBHOUSE

... and the waypoints selected in the Ladder Calculator:

LAS LASHAM FINISH NORTH
KID KIDDERMINSTER
CER CERNE ABBAS
BUL BULLINGTON
ENW EASTBOURNE NW
LAS LASHAM FINISH NORTH

Note the coordinates of LAS as per the Ladder and BGA TP List:
LAS LASHAM FINISH NORTH 51 11.643N 1 2.000W

There IS a difference in coordinates, hence the error status of the declaration.

See also the guidance offered by Tim NP in the BGA List:

"LAS Lasham Finish North (formerly Lasham Clubhouse). Move further north to avoid interference with circuit traffic.
Change Grid & Lat/Long to: 467.65 144.31 - 51 11.643N 001 02.000W"


What am I missing?

Regards
John


## On 26-Apr-17 16:23:00 Colin Hunt wrote:

Hi John,

Firstly, thank you for all you do to maintain the BGA Ladder. It provides much enjoyment and interest as I look to see what others have achieved, and how my efforts match up.

However, I'm still puzzled regarding the subject of this thread. I presume the Ladder is referenced to the current (2017) BGA list of waypoints? In this, LAS and 'Lasham Finish North' are one and the same thing, and there is no such thing as 'Lasham Clubhouse'. When examining Lasham pilot traces, is the software still 'seeing' LAS as the clubhouse?

Best wishes,

Colin

## On 25-Apr-17 12:31:00 John Bridge wrote:


Hi Andy,

The logger upload checks that the Lat/Lon coordinates in the logger match those on the Ladder. The few claims which I have looked at so far all show a finish point as Lasham Clubhouse in the logger declaration and Lasham Finish North in the ladder claim.

It is possible to self-validate such flights (eg: "I declared or used a different local start/finish point"), but not everyone bothers...

regards
John


## On 23-Apr-17 23:27:00 Andy Smith wrote:

Seem to be a lot of these occurring this season. Points are scored as if the task was pre-declared. Can someone clarify what are the criteria for flights being classified in this way.

 

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