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RFS logo - 264x81.gif               Coax Type     Look Up Loss Lookup kW Freq Loss/100ft Power kW Size Temperature    
              1   Andrew AVA5-50J 7/8 in. Foam Line     B C A 0.3359 7.82 7/8 in. #      
Company/Calls           2   Andrew AVA7-50J 1-5/8 in. Foam Line     D E   0.1926 11.49 1-5/8 in. #      
Location           3   Andrew HJ11-50, 4 in. Air Heliax™     AR AS   0.1121 66.00 4 in. #      
Frequency MHz           4   Andrew HJ12-50, 2-1/4 in. Air Heliax™     AT AU   0.1660 23.60 2-1/4 in. #      
Antenna Brand
          5   Andrew HJ5-50, 7/8 in. Air Heliax™     AV AW   0.3620 7.68 1/2 in. #      
Number of Bays
          6   Andrew HJ7-50A, 1-5/8 in. Air Heliax™     AZ BA   0.1990 16.90 7/8 in. Elevation    
Spacing in wave lengths
          7   Andrew HJ8-50B, 3 in. Air Heliax™     BB BC   0.1380 43.30 3 in. 0      
Polarization (Circular, V or H only)
          8   Andrew HJ9-50-HT, 5 in. Air Heliax™ DD DE   0.0582 176.06 5 in. #      
Coax Type
          9   Andrew HJ9-50, 5 in. Air Heliax™     BD BE   0.0774 86.20 5 in. #      
Feet  On Tower           10   Andrew LDF-4-50 1/2: Foam Line BR BS   0.6483 3.46 1/2 in. #      
Feet Tower To Transmitter           11   Andrew LDF12 3/8" Foam Line     BP BQ   0.1773 21.20 3/8 in. #      
Filter Loss           12   ERI MACX350A - Or 1329 3-1/8 in. Rigid     CA CB   0.0946 50.45 3-1/8 in. #      
Ambient Temperature °F
          Spacing ERI MACX450 - Or 1329 4-1/16 in. Rigid     CC CD   0.0727 79.64 4-1/16 in. #      
Height AMSL at antenna in Ft.
          0.5   ERI MACX650B - Or 1329 6-1/8 in. Rigid     CE CF   0.0484 174.17 6-1/ in. #      
Effective Radiated Power kW           1   ERI MACX850 - 8-3/16 in. Rigid     CK CL   0.0360 298.70 8-1/2 in.        
              Ant Brand ERI STD561_1-5/8_in. Rigid Line     CZ DA   0.1856 15.02 1-5/8 in.        
Bext
Eupen EC5-50A Foam Line DG DH
0.3414 8.17 7/8 in.
Provided by RF Specialties who is not responsible             Dielectric Myat 101 7/8 in. Rigid     CV CW   0.3619 4.50 7/8 in.        
for errors of any kind. Please use as a guide only.             ERI   Myat 202 1-5/8 in. Rigid     CN CO   0.1869 15.23 1-5/8 in.        
              Jampro Myat 301 3-1/8 in. Rigid     CP CQ   0.0912 53.32 3-1/8 in.        
LogPeriodic-Scala Myat 401 4-1/16 in. Rigid
CR CS
0.0723 84.64 4-1/16 in.
LogPeriodic-Shively Myat 601 6-1/8 in. Rigid
CT CU
0.0475 182.04 6-1/8 in.
Nicom RFS HCA12 1/2 in. Air
X Y
0.6143 6.96 1/2 in.
RFS World RFS HCA158 1-5/8 in. Air
Z AA
0.1852 16.44 1-5/8 in.
Shively RFS HCA214 2-1/4 in. Air
AB AC
0.1600 24.11 2-1/4 in.
SWR
RFS HCA300 3 in. Air
AD AE
0.1258 42.40 3 in.
CP
RFS HCA318 3-1/8 in. Air
AF AG
0.1080 52.39 3-1/8 in.
H-Pol RFS HCA400 4" Air
AH AI
0.1080 55.24 4-1/16 in.
`
V-Pol RFS HCA78 7/8 in. Air
AN AO
0.3530 7.48 7/8 in.
RFS LCF114 1-1/4 in. Foam
BF BG
0.2480 13.38 1-1/4 in.
RFS LCF12 1/2 in. Foam
BH BI
0.6340 4.01 1/2 in.
RFS LCF158 1-5/8 in. Foam
BJ BK
0.1966 18.84 1-5/8 in.
RFS LCF214 2-1/4 in. Foam
BL BM
0.1690 22.61 2-1/4 in.
RFS LCF78 7/8 in. Foam
BN BO
0.3550 8.80 7/8 in.
^ Click to change
RFS logo - 264x81.gif           http://www.rfspecialties.com  
SYSTEM POWER ANALYSIS  
                 
           
           
                 
TRANSMISSION SYSTEM:        STATION ERP:    
                 
VERTICAL RUN:         kW:  
Type:     dBk:  
Length:              
Attenuation:   ANTENNA DETAILS:  
Loss this section: dB     Brand  
            Bays  
HORIZONTAL RUN:         Spacing  
Type:          
Length:       ANTENNA POWER GAIN:  
Attenuation:          
Loss this section: dB     Numeric:  
            dBd:  
TOTAL TRANSMISSION SYSTEM:              
          ANTENNA INPUT POWER:  
Total Attenuation: dB          
Coax Efficiency: %     kW:  
Coax Power Rating: kW     dBk:  
*Coax Safety Factor: dB *          
          Total System Losses:  
OTHER LOSSES AND DERATING INFO:            
            dBk:  
Filter Loss: dB          
Connector Loss: dB   TRANSMITTER POWER OUTPUT:  
Antenna Height AMSL: Ft          
Ambient Temperature: °F     kW:  
Derated for 1.3:1 VSWR kW     dBk:  
Derated for Elevation kW          
Derated for Temperature kW          
Safety Amount (Derate-TPO) kW **   Date:    
                 
                 
Provided by RF Specialties who is not responsible for errors of any kind  
*  Not including altitude, temperature and VSWR safety margin.  
** The kW Difference number should be over 0 to allow for a VSWR of 1.3:1 at the load.  
The antenna gains are approximate; Not all makes have gains for all configurations.  
This program does not check for the correct connectors nor antenna input power rating.  
Errors occurr for non logical arrays; ie: one bay half wave is not possible  
* & ** If cell/value is red, coax not large enough