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TGR-65 PORTABLE MEDIUM WAVE ANTENNA SYSTEM BYRON JOHNSON 03 April 2015

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Page 1: TGR65-brief-150403-BJ

TGR-65

PORTABLE MEDIUM WAVE ANTENNA SYSTEM BYRON JOHNSON

03 April 2015

Page 2: TGR65-brief-150403-BJ

From left to right: Lawrence Behr, CEO Byron Johnson, Product Developer/Manager Chris K. Horne, PhD, PE, Chief Technical Officer

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TGR-65 ANTENNA & ATU

Commercial Off The Shelf LBA Proprietary, Patents Apply

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• Light vehicle transportable

• Frequency agile, field tunable

• Set up & tuning in 1 hour or less by 4 man crew

• Frequency Range: 500 kHz to 1710 kHz – Capable of VLF & HF frequencies with ATU modification.

• Radiation Pattern: Omnidirectional, vertically polarized

• Use with any typical MW Transmitter - Input Power: 500w, 2000w PEP

• Input Impedance: 50 ohms (Maximum VSWR 3.0/1)

• Field Strength*: 25 mV/m/km/kw at 550 kHz

150 mV/m/km/kw at 1200 kHz

280 mV/m/km/kw at 1700 kHz

• Wind Survival: 70 mph (112 kph) gusts, 20 mph (32 kph) during installation

• Installation Area: The antenna installation requires a relatively flat area 100 ft (30.5m) in diameter

OVERVIEW

Page 5: TGR65-brief-150403-BJ

TGR 65 DEPLOYMENT PACKAGING

1 Tower Base Triangle 26"W x 36"L 64lbs

2 Tower - Triangle 26"W x 9' - 9"L 210lbs

3 ATU - 26" X 26" X 26" 100lbs

4 Foldwires - 14"W x 13"H x 24"L 36lbs

5 Ground Radial 2 - 14"W x 13"H x 24"L 20lbs

6 Ground Radial 3 - 4"W x 13"H x 24"L 40lbs

7 Anchors - 48"L x 8"dia. 20lbs

8 Miscelaneous - 48"L x 8"dia. 21lbs

9 Tower Support - 8.5"W x 6"H x 120"L 186lbs

10 Top Mast - 14"W x 12" H x 120"L 63lbs

Total SystemWeight: 760lbs

Page 6: TGR65-brief-150403-BJ

TGR 65

SETUP

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ASSEMBLE HORIZONTALLY

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TILT UP PARTIALLY TO ATTACH TOP MAST

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TILT UP PARTIALLY TO ATTACH TOP MAST & FOLD WIRES

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ATTACH FOLD WIRES TO TOP MAST

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TILT UP

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CRANK UP

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SECURE FOLD WIRES, ANCHORS & GUY LINES

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TGR 65

TUNING

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ATTACH ATU & TUNE

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ATU

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TUNE USING GRAPHS & CHARTS IN THE MANUAL

1. Set the J-Plugs for the frequency range

2. Set the Capacitor Counter according to the chart

3. Set the Inductor Counter according to the chart

Page 18: TGR65-brief-150403-BJ

0.001.002.003.004.005.006.007.008.009.0010.0011.0012.0013.0014.0015.0016.0017.0018.0019.0020.0021.0022.0023.0024.0025.0026.0027.0028.00

7.00

8.00

9.00

10.00

11.00

12.00

13.00

14.00

15.00

16.00

530 570 610 650 690 730 770 810 850 890 930 970 1010 1050 1090 1130 1170 1210 1250 1290 1330

"C"

Co

un

ter

Frequency (kHz)

Mid Range Tuning Data

C

L

TUNE USING GRAPHS & CHARTS IN THE MANUAL

Page 19: TGR65-brief-150403-BJ

Mid Range Tuning Data

J - Plug Configuration

kHz C L J-1 J-2 J-3 J-4

530 11.40 1.20 B-C A-B A-B B-C

550 11.50 2.80

570 11.60 4.30

590 11.60 5.70

610 11.70 7.00

630 11.80 8.10

650 11.80 9.20

670 11.90 10.20

690 11.90 11.20

710 12.00 12.10

730 12.00 12.90

750 12.00 13.70

770 12.10 14.40

790 12.10 15.10

810 12.10 15.80

830 12.20 16.40

850 12.20 17.00

870 12.20 17.60

890 12.20 18.10

910 12.30 18.60

TUNE USING GRAPHS & CHARTS IN THE MANUAL

Page 20: TGR65-brief-150403-BJ

Final tuning may be accomplished by using a transmitter capable of low power with a VSWR mismatch and an impedance bridge. A signal generator may be used with an impedance bridge before connecting the transmitter. Depicted in previous slide is the Delta Electronics RG4 Signal Generator and the OIB-3 Impedance Bridge. If using a transmitter, the OIB-3 bridge may be left in line with between the ATU and the transmitter for tuning and operational monitoring.

METHODS OF TUNING

Page 21: TGR65-brief-150403-BJ

ATU

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