C-Nav3050 User Guide

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C-Nav3050 User Guide | Manualzz

C-Nav3050 User Guide

2. Slacken the coaxial cable and tape firmly to the antenna-mounting pole.

This will prevent any undue strain on the cable connector and antenna.

3. With the cable connected to the antenna, run the cable down the mast, securing with zip ties every two or three feet. Carefully lay the cable along the chosen route to further detect any potential kinks, bends or spots where the cable may become damaged.

4. Secure the cable along the cable route with tape or zip ties and place a label at the GNSS sensor end of the cable for identification purposes.

5. Connect the coaxial cable to the female TNC connector on the GNSS receiver labeled

ANT

(See Figure 16 ). Ensure that any slack in the cable

is neatly stowed and that the minimum bend radius is not exceed during this process.

RG-58C

RG-142

RG-213

RG-223

LMR600

LMR400

LMR240

LMR195

Cable

Type

Atten. (dB) per 100 Ft.

Cable

Length in

Feet

Loss in dB

Atten.

(dB) per

100 m

19.605

16.494

9.564

17.224

3.407

36.00

43.00

74.00

41.00

207.00

7.06

7.09

7.08

7.06

7.05

64.32

54.12

31.38

56.51

11.18

5.262

10.127

133.00

70.00

7.00

7.09

17.26

33.23

14.902 47.00 7.00 48.89

Table 28: Acceptable Coaxial Cable Lengths

Cable

Length in

Meters

11.00

13.00

22.50

12.50

63.00

41.00

21.00

14.00

Lightning Protection

Where the GNSS antenna is exposed to sources of electromagnetic discharge such as lightning, install a properly grounded in-line electrical surge suppressor between the GNSS receiver and antenna. Install protective devices in compliance with local regulatory codes and practices. Protective devices must pass

DC power from the receiver to the antenna. Contact C-Nav

Loss in dB

7.08

7.04

7.06

7.06

7.04

7.08

6.98

6.85

Revision

10

Page 72 of 186 6/8/2015

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