[alma-config]Re: coordinates

[John Conway]

Hi,

 Below I include 183 pad positions within 4km.
-Simon, if  please acknowledge receipt.

I agree with Angel that having the positions 
of all the pads from the different strawmen marked
on a maps - would be  really useful - my experience from
April was that you need every aid to work 
efficiently at that altitude.  I'm making 
my own maps of my configuration but it 
would be good to have a 'master map' with 
all pads on. So Angel, could
you add my coordinates to Villanueva 
to put on the maps

Having at least temporary stakes (with some
kind of flag on top?) would be useful. Even 
though we are not staking out final or 
even near final positions- it will helps to 
navigate around the site (also maybe someone could 
bring some low power binoculars - again it 
sounds like overkill - but anything you van have 
to help you find your way back to the array
centre and the stakes/flags there and elsewhere 
the better).

I think it will be good discipline to visit these
defined pad locations - we can then 
get some statistical information about how 
many pads chosen on the basis of the mask, and
how this varies with different ares over the site,
- and also how far is the nearest 'best'
place. Hopefully during this trip we can develop the 
methodology we need to iterate on the final design once 
the conceptual design is finalised at 
the CDR in  January.

My pad design includes a large outer 4km Reuleux
triangle, with a zoom array inside-I'm not 
wedded completely to this. The basic idea is that 
with a 4km periphery populated array the gap
in resolution to 14km is just over 3 (which 
from VLA experience we know we can live with),
plus there are some Y shaped hybrids going
from 4km to 14km - with useful if
not elegant uv coverage. Adrians concept 
with two rings around Chascon and gradual 
zooming is more elegant - I could adapt my design
to that by extending two of the spiral arms.
The only questions is which is harder terrain
wise - a 4km triangle or Adrians cocept -this 
for me is one of the questions I would like to 
answer during this trip.


  John
 

 
-------------- next part --------------
183 60 183 123 0  
1 627806.22650 7453059.48700 
2 627791.57800 7453068.56270 
3 627779.82810 7453059.14810 
4 627778.32770 7453044.16290 
5 627791.37310 7453036.60410 
6 627806.83960 7453044.43860 
7 627824.92330 7453067.42040 
8 627815.01260 7453081.05080 
9 627796.13360 7453090.84590 
10 627777.42490 7453087.37570 
11 627766.52410 7453076.96460 
12 627757.96320 7453061.36200 
13 627756.25720 7453042.77180 
14 627767.27350 7453027.55860 
15 627778.51020 7453014.92350 
16 627797.87200 7453013.31420 
17 627817.60680 7453023.44770 
18 627826.42400 7453036.70680 
19 627843.40670 7453068.51350 
20 627832.74480 7453085.87530 
21 627819.05060 7453099.58310 
22 627800.04470 7453105.41020 
23 627777.29230 7453105.02110 
24 627759.35980 7453096.21880 
25 627746.36070 7453080.32370 
26 627739.37620 7453064.89710 
27 627740.75630 7453038.86940 
28 627745.60610 7453022.78110 
29 627759.20730 7453009.25320 
30 627776.98980 7452999.58150 
31 627801.40550 7452998.08510 
32 627818.73830 7453004.57500 
33 627833.01200 7453016.79320 
34 627843.99740 7453034.27950 
35 627863.14500 7453068.82610 
36 627856.94170 7453086.00980 
37 627847.08060 7453102.54270 
38 627834.02380 7453110.43400 
39 627818.22430 7453121.48410 
40 627802.17740 7453122.37790 
41 627784.20010 7453125.67840 
42 627770.13960 7453119.77960 
43 627754.88350 7453115.94380 
44 627742.27910 7453103.19360 
45 627732.70570 7453091.31310 
46 627723.32270 7453077.06820 
47 627720.50430 7453058.81800 
48 627719.58020 7453043.72830 
49 627722.78230 7453026.73300 
50 627732.60970 7453011.48740 
51 627743.19800 7453000.59700 
52 627756.60340 7452987.74980 
53 627771.24520 7452983.59900 
54 627785.71090 7452978.60480 
55 627802.47470 7452981.68360 
56 627820.40210 7452985.28360 
57 627833.72210 7452993.07980 
58 627848.58400 7453005.07760 
59 627858.29430 7453018.75900 
60 627863.75980 7453033.53320 
61 627736.77127 7452971.86957 
62 627796.27326 7452948.27940 
63 627881.54976 7452960.81611 
64 627921.16276 7453019.91744 
65 627938.87951 7453109.48321 
66 627888.70424 7453194.39579 
67 627782.60718 7453243.40584 
68 627685.09166 7453229.07962 
69 627579.76497 7453146.29282 
70 627570.15401 7453019.71782 
71 627614.90037 7452867.28109 
72 627768.90317 7452788.37511 
73 627960.32853 7452815.38020 
74 628122.49549 7452933.10052 
75 628210.48088 7453152.83947 
76 628149.22643 7453382.41753 
77 627880.83024 7453575.72243 
78 627603.63039 7453583.82886 
79 627312.48550 7453382.96525 
80 627159.71858 7453127.23638 
81 627288.07969 7452764.70290 
82 627607.20480 7452421.43566 
83 628051.21860 7452393.20917 
84 628546.13614 7452639.09176 
85 628889.95323 7453157.63977 
86 628802.18432 7453872.59551 
87 628473.39236 7454460.07059 
88 627617.58555 7454682.77488 
89 626873.15046 7454424.72041 
90 626326.53783 7453726.33881 
91 626414.16304 7452685.78638 
92 627148.93151 7451747.22701 
93 627891.16355 7453053.80616 
94 627883.56188 7453121.36387 
95 627831.58003 7453164.33834 
96 627746.86991 7453189.98629 
97 627691.07830 7453150.36258 
98 627629.72138 7453070.46935 
99 627636.92850 7452969.55525 
100 627725.92007 7452888.17127 
101 627826.92302 7452853.25212 
102 627974.84003 7452896.95799 
103 628062.17054 7453023.73807 
104 628072.90888 7453187.54068 
105 627976.10809 7453368.16143 
106 627786.54886 7453457.46842 
107 627500.43183 7453463.40227 
108 627312.65863 7453288.74021 
109 627355.67730 7452964.05136 
110 627500.64402 7452732.58419 
111 627819.40767 7452559.07697 
112 628098.05997 7452599.28720 
113 628504.95000 7452927.87696 
114 628612.57363 7453383.26899 
115 628395.52319 7453805.01861 
116 628053.93695 7454039.92329 
117 627384.93687 7454142.48389 
118 626830.72631 7454070.48025 
119 626645.81961 7453120.17241 
120 626836.36353 7452254.83475 
121 627587.87333 7451875.98171 
122 628497.07137 7451864.11523 
123 629280.81314 7452425.09421 
124 629983.52271 7453434.53909 
125 627744.54734 7453146.92918 
126 627694.14539 7453106.35603 
127 627677.86518 7453032.55121 
128 627705.10805 7452963.05901 
129 627763.14440 7452913.44311 
130 627856.10528 7452911.44251 
131 627949.38653 7452977.52759 
132 627991.73298 7453085.93416 
133 627963.01347 7453200.06029 
134 627858.92048 7453294.67096 
135 627719.67537 7453321.31125 
136 627558.24664 7453244.96760 
137 627470.31232 7453099.48378 
138 627506.67857 7452909.12588 
139 627672.44617 7452714.37848 
140 627910.61191 7452682.56524 
141 628165.60932 7452832.99479 
142 628334.38611 7453063.71949 
143 628327.51338 7453405.18019 
144 628130.85808 7453667.33548 
145 627780.44208 7453814.64911 
146 627429.08575 7453590.23279 
147 627007.00326 7453374.23043 
148 626880.37115 7452936.25092 
149 627318.93932 7452396.84825 
150 627924.97318 7452197.84128 
151 628695.43965 7452315.83918 
152 629235.70919 7452887.22690 
153 629432.15851 7453907.73640 
154 628916.04723 7454822.05676 
155 627954.88543 7455264.79177 
156 626867.73604 7455338.40697 
157 630188.86260 7453746.86900 
158 629961.76993 7454158.33854 
159 629610.91076 7454439.53642 
160 629289.77693 7454756.25067 
161 628857.24594 7454913.31510 
162 628404.36712 7455020.75548 
163 627944.75969 7455274.43542 
164 627575.26276 7455462.58022 
165 627046.43551 7455440.10820 
166 627039.87682 7451504.89668 
167 627506.52050 7451440.26555 
168 627933.56098 7451714.78004 
169 628295.85501 7451816.51946 
170 628715.28828 7452087.28392 
171 629086.32393 7452304.08795 
172 629443.25466 7452605.34096 
173 629703.94596 7453017.41998 
174 629975.03017 7453339.34796 
175 626615.38196 7455441.75061 
176 626318.85202 7455009.46773 
177 626287.34540 7454537.21091 
178 626245.83432 7454099.90054 
179 626186.56721 7453729.66745 
180 626392.84655 7453061.55013 
181 626356.90980 7452736.00139 
182 626394.70834 7452429.19990 
183 626719.80754 7452012.87609