^ Click To Get Report                                      
RF Spec Group.jpg               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 # # 7/8 in. #  
Company/Calls           2   Andrew AVA7-50J 1-5/8 in. Foam Line     D E   # # 1-5/8 in. #  
Location           3   Andrew HJ11-50, 4 in. Air Heliax™     AR AS   # # 4 in. #  
Frequency MHz           4   Andrew HJ12-50, 2-1/4 in. Air Heliax™     AT AU   # # 2-1/4 in. #  
Antenna Brand
          5   Andrew HJ5-50, 7/8 in. Air Heliax™     AV AW   # # 1/2 in. #  
Number of Bays
          6   Andrew HJ7-50A, 1-5/8 in. Air Heliax™     AZ BA   # # 7/8 in. Elevation
Spacing in wave lengths
          7   Andrew HJ8-50B, 3 in. Air Heliax™     BB BC   # # 3 in. 0  
Polarization (Circular, V or H only)
          8   Andrew HJ9-50, 5 in. Air Heliax™     BD BE   # # 5 in. #  
Coax Type
          9   Andrew HJ9-50-HT, 5 in. Air Heliax™ DD DE   # # 5 in. #  
Feet  On Tower           #   Andrew LDF12 3/8" Air Line     BP BQ   # # 3/8 in. #  
Feet Tower To Transmitter           #   Andrew LDF-4-50 1/2: Foam Line BR BS   # # 1/2 in. #  
Filter Loss           #   ERI MACX350A - Or 1329 3-1/8 in. Rigid     CA CB   # # 3-1/8 in. #  
Ambient Temperature °F
          Spacing ERI MACX450 - Or 1329 4-1/16 in. Rigid     CC CD   # # 4-1/16 in. #  
Height AMSL at antenna in Ft.
          1   ERI MACX650B - Or 1329 6-1/8 in. Rigid     CE CF   # # 6-1/ in. #  
Effective Radiated Power kW           1   ERI MACX850 - 8-3/16 in. Rigid     CK CL   # # 8-1/2 in.    
              Ant Brand ERI STD561_1-5/8_in. Rigid Line     CZ DA   # # 1-5/8 in.    
Bext
Eupen EC5-50A Foam Line DG DH
# # 7/8 in.
Provided by RF Specialties who is not responsible           Dielectric Myat 101 7/8 in. Rigid     CV CW   # # 7/8 in.    
for errors of any kind. Please use as a guide only.           ERI Myat 202 1-5/8 in. Rigid     CN CO   # # 1-5/8 in.    
              Jampro Myat 301 3-1/8 in. Rigid     CP CQ   # # 3-1/8 in.    
LogPeriodic-Scala Myat 401 4-1/16 in. Rigid
CR CS
# # 4-1/16 in.
LogPeriodic-Shively Myat 601 6-1/8 in. Rigid
CT CU
# # 6-1/8 in.
Nicom RFS HCA12 1/2 in. Air
X Y
# # 1/2 in.
RFS World RFS HCA158 1-5/8 in. Air
Z AA
# # 1-5/8 in.
Shively RFS HCA214 2-1/4 in. Air
AB AC
# # 2-1/4 in.
SWR RFS HCA300 3 in. Air
AD AE
# # 3 in.
CP RFS HCA318 3-1/8 in. Air
AF AG
# # 3-1/8 in.
H-Pol RFS HCA400 4" Air
AH AI
# # 4-1/16 in.
`
V-Pol RFS HCA78 7/8 in. Air
AN AO
# # 7/8 in.
RFS LCF114 1-1/4 in. Foam
BF BG
# # 1-1/4 in.
RFS LCF12 1/2 in. Foam
BH BI
# # 1/2 in.
RFS LCF158 1-5/8 in. Foam
BJ BK
# # 1-5/8 in.
RFS LCF214 2-1/4 in. Foam
BL BM
# # 2-1/4 in.
RFS LCF78 7/8 in. Foam
BN BO
# # 7/8 in.
RFS LDF12 1/2 in. Foam
BH BI
# # 1/2 in.
^ Click to change
SYSTEM POWER ANALYSIS  
RF Spec Group.jpg                
           
           
                 
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.