itel, isub
Returns the name of telescope 'itel' of sub-array 'isub'.
EXAMPLE
-------
example 1  -  Print out all (ntel) telescope names in sub-array 1.

0>do i=1,ntel
1>  print telname(i)
1>end do
1:BONN
1:WSRT
1:JBNK1
1:BOLOGNA
1:VLBA_KP
1:VLBA_PT
1:VLBA_LA
1:VLA27
1:OVRO
0>

example 2  -  Display the self-cal corrections for each telescope in turn
              from sub-array 2.

0>
0>do i=1,ntel
1>  corplot `telname(i,2)`
1>end do

Example 3  -  Print the name of the third telescope in sub-array 2.

0>print telname(3,2)
2:OVRO

The "number:" prefix indicates the number of the sub-array to which the
telescope belongs.

PARAMETER
---------
itel  -  The sequential number of the telescope who's name is required.

isub  -  Default: 1
         The number of the sub-array from which the telescope name
         is required.

RELATED FUNCTIONS
-----------------
ntel - Return the number of telescopes in a given sub-array.
nsub - Return the number of sub-arrays in an observation.