69 CHC i83 User Manual
to reset all settings to the Factory Defaults.
This takes 15-seconds, then the receiver will reboot
I83 Antenna Model
The i83 receiver has NGS calibration “CHCI83 NONE”
The .atx and .003 antenna files can be found on the NGS website:
.atx .003
and:
https://igage.com/out/CHC/i83/antenna/index.htm
Summary
L1 76.64 mm
L2 69.05 mm
Radius to Bar Tip
124.00 mm
SHMP 0.00 mm
ARP Bottom of Antenna Mount (BAM)
North Reference Turn Display to North
The antenna designator is “CHCI83 NONE”
12345678901234567890
A summary of the .atx file:
G01 START OF FREQUENCY
1.16 1.07 76.64 NORTH / EAST / UP
G02 START OF FREQUENCY
0.61 -2.66 69.05 NORTH / EAST / UP
‘Slant Height’ to ‘Vertical Height’:
Vertical Heights
are measured from the Ground Mark (GM) to the bottom of the i83’s 5/8” 11 TPI nut, the ARP (Antenna
Reference Point) = BAM (Bottom of Antenna Mount).
Slant Height
is measured from the Ground Mark (GM) to the top of the Measure Up Plate, which is the same as the ARP
and BAM.
Place the Measure-Up Plate directly under the receiver with the embossed arrow facing up:
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