ERP-Cal

Input Area:

ba

gain

coax type

dB/100

kW Avrg

FREQ

R

Size

Po

Till

Fu

AVA5

#

#

B

7/8"

C

Frequency:

MHz.

Input your frequency

0

0

AVA7

#

#

D

1-5/8"

H-

TPO Available:

kW

Input your transmitter power

1

0

HCA12

#

#

X

1/2"

V-

Bays

# Bays Don't choose 1 for HW arrays

2

1

HCA158

#

#

Z

1-5/8"

Spacing

Bay Spacing

3

2

HCA214

#

#

A

2-1/4"

4

2

HCA300

#

#

A

3"

Coax Length:

Coax length and pull down for (M)eters or (F)eet

5

2

HCA312

#

#

AF

3-

Use pull down for coax type *

6

3

HCA400

#

#

A

4-1/8"

Polarization

7

4

HCA500

#

#

AJ

5"

M

Connector Allowance

dB

Normal loss for two connectors is 0.1 dB

8

4

HCA618

#

#

AL

6-

F

Combiner/Other Loss(es):

dB

A place for extra losses like filters, combiner, etc.

#

6

HCA78

#

#

A

7/8"

*Note Coax Type "P" is Prodlin, Jampro or Myat

#

7

HCA800

#

#

A

8"

Full

ERP Output Calculation:

#

8

HJ11

#

#

A

4-

Half

MHz Frequency

HJ12

#

#

AT

1/2"

kW Effective Transmitter Power

HJ5

#

#

A

7/8"

dBk Effective Transmitter Power

Till

Ha

HJ7

#

#

AZ

1-

X

0

HJ8

#

#

B

3"

Ant g

dBk Antenna Gain

1

HJ9

#

#

B

5"

Ant g

Feet Coax Total Length

2

1

HJ9HT

#

#

D

5"

Ant

Meters Coax total length

3

1

LCF114

#

#

BF

1-1/4"

4

1

LCF12

#

#

B

1/

Ant

Coax Size

5

2

LCF158

#

#

BJ

1-

Ant

KW Coax Input Power Rating

6

2

LCF214

#

#

BL

2-

Ant

Coax Loss Per 100 Ft.

7

2

LCF78

#

#

B

7/

dB Coax Connectors loss allowance

8

3

LDF12

#

#

B

1-

Gain

dB Total Coax System Loss

#

3

LDF4

#

#

B

1/2"

dB Other Losses

#

4

LDF5

#

#

BT

7/

test

Coax efficiency

LDF6

#

#

B

1-

test

kW coax power loss

LDF7

#

#

B

1-

test

Other

MACX350

#

#

C

3-

test

ERP:

1

0

MACX450

#

#

C

4-1/16"

dBk ERP

2

#

MACX650

#

#

C

6-

kW ERP

4

#

MACX675

#

#

C

6-

5

#

MACX775

#

#

CI

7-

6

3

MACX850

#

#

C

8-

Project:

7

4

P158

#

#

C

1-

Today's Date:

8

4

P318

#

#

C

3-

Company:

9

5

P416

#

#

C

4-1/16"

Other Information:

#

6

P618

#

#

CT

6-1/8"

Provided by RF Specialties who is not responsible for errors of any kind

#

7

P78

#

#

C

7/8"

STD350

#

#

CX

3-1/8"

Other

STD351

#

#

CZ

1-5/8"

2

#

STD650

#

#

D

6-1/8"

4

#

kW if V and H added

5

2

6

2

7

3

8

3

9

3

#

3

12

3.75

Till

Ot