TPO Estimator       Antenna 2 State   Coax Type Look Up Loss Lookup kW Loss/100ft Power kW Size Connector    
Station Call Letters         DCR-10 AK   Andrew AVA5-50J 7/8 in. Foam Line B C 7/8 in. 7/8 in.      
Station City of License         DCR-10-.5λ AL   Andrew AVA7-50J 1-5/8 in. Foam Line D E 1-5/8 in. 1-5/8"        
Station State
      Spacing DCR-C1 AR   Andrew HJ11-50, 4 in. Air Line AR AS 4 in. 3-1/8 in.      
Frequency MHz     0.500 DCR-C12 AZ   Andrew HJ12-50, 2-1/4 in. Air Line AT AU 2-1/4 in. 3-1/8 in.      
Antenna Type*
"-.5λ for half wave" 1.000 DCR-C12-.5λ CA   Andrew HJ5-50, 7/8 in. Air Line AV AW 7/8 in. 7/8 in.      
Contact factor for other bay spacings         DCR-C2 CO   Andrew HJ7-50A, 1-5/8 in. Air Line AZ BA 1-5/8 in. 1-5/8 in. λ        
          DCR-C2-.5λ CT   Andrew HJ8-50B, 3 in. Air Line BB BC 3 in. 3-1/8 in.        
Coax Type
      Channel DCR-C3-.5λ DC   Andrew HJ9-50-HT, 5 in. Air Line DD DE 5 in. 6-1/8 n.     Data D9
Coax run length information:           DCR-C3-.5λ DE   Andrew HJ9-50, 5 in. Air Line BD BE 5 in. 6-1/8 in      
Legnth coax on tower Ft.       DCR-C4 FL   Andrew LDF-4-50 1/2: Foam Line BR BS 1/2 in. "N"        
Length coax on ground Ft.       DCR-C4-.5λ GA   Andrew LDF2 3/8" Foam Line BP BQ 7/8 in. 7/8 in. <        
Isocoupler loss in dB dB       DCR-C5 HI   Dielectric 1-5/8 in. DCR275-002 Rigid CN CO 1-5/8 in. 3-1/8 in.      
Filter loss in dB dB       DCR-C5-.5λ IA   Dielectric 3-1/8 in. DC375-002 Rigid CP CQ 3-1/8 in. 1-5/8 in.      
Circulator Loss in dB (.78 is typical) dB       DCR-C6 ID   Dielectric 4-1/16 in. DC475-002 Rigid CR CS 4-1/16 in. 3-1/8 in.      
ERP in kW kW       DCR-C6-.5λ IL   Dielectric 6-1/8 in. DC675-002 Rigid CT CU 6-1/8 in. 3-1/8 in.      
Approximate height AMSL ft.
Ft.       DCR-C7 IN   ERI MACX350A - Or 1329 3-1/8 in. Rigid CA CB 3-1/8 in. 6-1/8 in.      
Ambient temperature (F)
° F       DCR-C7-.5λ KA   ERI MACX450 - Or 1329 4-1/16 in. Rigid CC CF 4-1/16 in. 3-1/8 in.      
Connector loss (0.1 normal for two) dB       DCR-C8 KY   ERI MACX650B - Or 1329 6-1/8 in. Rigid CE CF 6-1/8 in. 4-1/16 in.    
            DCR-C8-.5λ LA   ERI MACX850 - 8-3/16 in. Rigid CK CL 8-3/16 in. 6-1/8 in.      
(1) Input the B column.Items  4, 6, 7, 8, 9, 17 & 18 are pull downs
DCR-H1 MA
ERI STD561_1-5/8_in. Rigid Line CZ DA 1-5/8 in. 8-3/16 in.
(2) Dielectric nor the author accept any liability for errors of any type. Use at your own risk
DCR-H10 MD
Eupen EC5-50A Foam Line DG DH 7/8 in. "N"
(3) Coax safety factor based on coax size at the transmitter output
DCR-H10-.5λ ME
Myat 101 7/8 in. Rigid CV CW 7/8 in. 7/8 in.
(4) Solar de-rating for coax based on highest value for the selected State
DCR-H12 MI
Myat 202 1-5/8 in. Rigid CN CO 1-5/8 in. 1-5/8 in.
(5) Confirm results with your consultant
DCR-H12-.5λ MN
Myat 301 3-1/8 in. Rigid CP CQ 3-1/8 in. 3-1.8 in.
(6) * Contact factory for other bay spacings; -0.5λ at end of antenna model indicates half wave
DCR-H2-.5λ MO
Myat 401 4-1/16 in. Rigid CR CS 4-1/16 in. 4-1/16 in.
(7) Use SOLUTION tab above to view/print results. Red results indicate a problem
DCR-H2-.5λ MS
Myat 601 6-1/8 in. Rigid CT CU 6-1/8 in. 6-1/8 in.
DCR-H3 MT
RFS HCA12 1/2 in. Air X Y 1/2 in. "N"
          DCR-H3-.5λ NC   RFS HCA158 1-5/8 in. Air Z AA 1-5/8 in. 1-5/8 in.      
DCR-H4 ND
RFS HCA214 2-1/4 in. Air AB AC 2-1/4 in. 3-1/8 in. <
DCR-H4-.5λ NE
RFS HCA300 3 in. Air AD AE 3 in. 3-1/8 in.
DCR-H5 NH
RFS HCA318 3-1/8 in. Air AF AG 3-1/8 in. 3-1/8 in.
DCR-H5-.5λ NJ
RFS HCA400 4" Air AH AI 4 in. 3-1/8 in.
DCR-H6 NM
RFS HCA78 7/8 in. Air AN AO 7/8 in. 7/8 in.
DCR-H6-.5λ NV
RFS LCF114 1-1/4 in. Foam BF BG 1-1/4 in. 1-5/8 in.
DCR-H7 NY
RFS LCF12 1/2 in. Foam BH BI 1/2 in. "N"
DCR-H7-.5λ OH
RFS LCF158 1-5/8 in. Foam BJ BK 1-5/8 in. 1-5/8 in.
DCR-H8 OK
RFS LCF214 2-1/4 in. Foam BL BM 2-1/4 in. 3-1/8 in.
DCR-H8-.5λ OR
RFS LCF78 7/8 in. Foam BN BO 7/8 in. "N"
DCR-M1 PA
SWR 7/8 in. CV CW 7/8 in. 7/8 in.
DCR-M10 RI
DCR-M10-.5λ SC
DCR-M12 SD
Circular DCR-M12-.5λ TN
Horizontal DCR-M2 TX
Vertical DCR-M2-.5λ UT
Elliptical DCR-M3 VA
DCR-M3-.5λ VT
DCR-M4 WA
DCR-M4-.5λ WI
        DCR-M5 WV                            
DCR-M5-.5λ WY
DCR-M6
DCR-M6-.5λ
DCR-M7
DCR-M7-.5λ
DCR-M8
DcR-M8-.5λ
DCR-MFE-8
DCR-MFE12
DCR-MFE4
DCR-MFE6
DCR-MT1
DCR-Q1
          DCR-Q10                              
          DCR-Q12                              
          DCR-Q2                              
DCR-Q4
DCR-Q6
DCR-Q8
DCR-S1
DCR-S10
DCR-S10-.5λ
DCR-S12
DCR-S12-.5λ
DCR-S2
DCR-S2-.5λ
DCR-S3
DCR-S3-.5λ
DCR-S4
DCR-S4-.5λ
DCR-S5
DCR-S5-.5λ
DCR-S6
DCR-S6-.5λ
DCR-S7
DCR-S7-.5λ
DCR-S8
DCR-S8-.5λ
DCR-T1
DCR-T2
DCR-T3
DCR-T4
DCR-T5
DCR-T6
DCR-T7
DCR-T8
  FM Broadcast Antenna System     Coax Type Loss kW Loss/100ft Power kW Size Connector Antenna kW Power # Bays Connector Gain State MJ/m^2 Value              
    Power Analysis     Andrew AVA5-50J 7/8 in. Foam Line B C # # 7/8 in. 7/8 in. DCR-10 # # 3-1/8 in. 5.5 AK # MJ/m^2  
Andrew AVA7-50J 1-5/8 in. Foam Line D E # # 1-5/8 in. 1-5/8" DCR-10-.5λ # # 3-1/8 in. 3.1 AL # W/m^2
          Andrew HJ11-50, 4 in. Air Line AR AS # # 4 in. 3-1/8 in. DCR-C1 # 1 3-1/8 in. .46 AR # Solar Multiplier Vert  
            Andrew HJ12-50, 2-1/4 in. Air Line AT AU # # 2-1/4 in. 3-1/8 in. DCR-C12 # # 3-1/8 in. 6.6 AZ # Solar Multiplier Horz  
            Andrew HJ5-50, 7/8 in. Air Line AV AW # # 7/8 in. 7/8 in. DCR-C12-.5λ # # 3-1/8 in. 3.7 CA #              
Andrew HJ7-50A, 1-5/8 in. Air Line AZ BA # # 1-5/8 in. 1-5/8 in. λ DCR-C2 # 2 3-1/8 in. 1.0 CO #
Antenna System
Andrew HJ8-50B, 3 in. Air Line BB BC # # 3 in. 3-1/8 in. 6 DCR-C2-.5λ # 2 3-1/8 in. .7 CT #
Antenna Type
Andrew HJ9-50-HT, 5 in. Air Line DD DE # # 5 in. 6-1/8 n. 1 DCR-C3-.5λ # 3 3-1/8 in. 1.5 DC #
ERP
dBk kW
Andrew HJ9-50, 5 in. Air Line BD BE # # 5 in. 6-1/8 in DCR-C3-.5λ # 3 3-1/8 in. 1.0 DE # Check for AND Air vs.Foam or rigid
Gain
dBd x
Andrew LDF-4-50 1/2: Foam Line BR BS # # 1/2 in. "N" DCR-C4 # 4 3-1/8 in. 2.1 FL # Check for CWS Air vs.Foam
Bays
Andrew LDF2 3/8" Foam Line BP BQ # # 3/8 in. "N" DCR-C4-.5λ # 4 3-1/8 in. 1.3 GA #
Bay Spacing
Dielectric 1-5/8 in. DCR275-002 Rigid CN CO # # 1-5/8 in. 1-5/8 in. DCR-C5 # 5 3-1/8 in. 2.7 HI #
Antenna Input Power
dBk kW
Dielectric 3-1/8 in. DC375-002 Rigid CP CQ # # 3-1/8 in. 3-1/8 in. DCR-C5-.5λ # 5 3-1/8 in. 1.6 IA #
Safety factor
dBk
Dielectric 4-1/16 in. DC475-002 Rigid CR CS # # 3-1/8 in. 3-1/8 in. DCR-C6 # 6 3-1/8 in. 3.2 ID #
Antenna Input Size
Female
Dielectric 6-1/8 in. DC675-002 Rigid CT CU # # 6-1/8 in. 6-1/8 in. DCR-C6-.5λ # 6 3-1/8 in. 1.8 IL # Solar:
Transmission Line Losses
ERI MACX350A - Or 1329 3-1/8 in. Rigid CA CB # # 3-1/8 in. 3-1/8 in. DCR-C7 # 7 3-1/8 in. 3.8 IN #
HAMSL for coax de-rating: Ft.
ERI MACX450 - Or 1329 4-1/16 in. Rigid CC CD # # 4-1/16 in. 4-1/16 in. DCR-C7-.5λ # 7 3-1/8 in. 2.1 KA # right(c23) Coax Type
For ambient temperature: Degrees Solar:  W/M^2
ERI MACX650B - Or 1329 6-1/8 in. Rigid CE CF # # 6-1/ in. 6-1/8 in. DCR-C8 # 8 3-1/8 in. 4.3 KY # # AC86 Rigid AA23 d
ERI MACX850 - 8-3/16 in. Rigid CK CL # # 8-1/2 in. 8-3/16 in. DCR-C8-.5λ # 8 3-1/8 in. 2.4 LA # # AC68 Foam AA21 m
Vertical Coax Run
ERI STD561_1-5/8_in. Rigid Line CZ DA # # 1-5/8 in. 1-5/8 in. DCR-H1 4 1 1-5/8 in. .46 MA # # AC59 Air AA20 r
Type:
Eupen EC5-50A Foam Line DG DH # # 7/8 in. 7/8 in. DCR-H10 # # 1-5/8 in. 5.5 MD # # AC77 HT AA22 t
Length:
Ft.
Myat 101 7/8 in. Rigid CV CW # # 7/8 in. 7/8 in. DCR-H10-.5λ # # 1-5/8 in. 3. ME #
Attenuation:
dB/100ft.
Myat 202 1-5/8 in. Rigid CN CO # # 1-5/8 in. 1-5/8 in. DCR-H12 # # 1-5/8 in. 6.5 MI #
Total Tower Run Loss:
dB
Myat 301 3-1/8 in. Rigid CP CQ # # 3-1/8 in. 3-1/8 in. DCR-H12-.5λ # # 1-5/8 in. 3.6 MN #
Myat 401 4-1/16 in. Rigid CR CS # # 4-1/16 in. 4-1/16 in. DCR-H2-.5λ 8 2 1-5/8 in. 1.0 MO #
Horizontal Coax Run
Myat 601 6-1/8 in. Rigid CT CU # # 6-1/8 in. 6-1/8 in. DCR-H2-.5λ 8 2 1-5/8 in. .7 MS #
Type:
RFS HCA12 1/2 in. Air X Y # # 1/2 in. "N" DCR-H3 # 3 1-5/8 in. 1.623 MT #
Length:
Ft.
RFS HCA158 1-5/8 in. Air Z AA # # 1-5/8 in. 1-5/8 in. DCR-H3-.5λ # 3 1-5/8 in. 1. NC #
Attenuation:
dB/100ft.
RFS HCA214 2-1/4 in. Air AB AC # # 2-1/4 in. 3-1/8 in. DCR-H4 # 4 1-5/8 in. 2.1 ND #
Total Ground Run Loss:
dB
RFS HCA300 3 in. Air AD AE # # 3 in. 3-1/8 in. DCR-H4-.5λ # 4 1-5/8 in. 1.3 NE #
Coax Power Capability: kW dBk
RFS HCA318 3-1/8 in. Air AF AG # # 3-1/8 in. 3-1/8 in. DCR-H5 # 5 1-5/8 in. 2.7 NH #
Coax Run Power Safety Factor dBk
RFS HCA400 4" Air AH AI # # 4-1/16 in. 3-1/8 in. DCR-H5-.5λ # 5 1-5/8 in. 1.76 NJ #
Total Coax Length:
Ft.
RFS HCA78 7/8 in. Air AN AO # # 7/8 in. 7/8 in. DCR-H6 # 6 1-5/8 in. 3.2 NM #
Coax System Efficiency:
%
RFS LCF114 1-1/4 in. Foam BF BG # # 1-1/4 in. 1-5/8 in. DCR-H6-.5λ # 6 1-5/8 in. 1.8 NV #
Total Line Loss
dBk KW
RFS LCF12 1/2 in. Foam BH BI # # 1/2 in. "N" DCR-H7 # 7 1-5/8 in. 3.8 NY #
Other Losses
RFS LCF158 1-5/8 in. Foam BJ BK # # 1-5/8 in. 1-5/8 in. DCR-H7-.5λ # 7 1-5/8 in. 2.1 OH #
Connector losses:
dB
RFS LCF214 2-1/4 in. Foam BL BM # # 2-1/4 in. 3-1/8 in. DCR-H8 # 8 1-5/8 in. 4.3 OK #
Circulator Loss
dB
RFS LCF78 7/8 in. Foam BN BO # # 7/8 in. 7/8 in. DCR-H8-.5λ # 8 1-5/8 in. 3.8 OR #
Filter Loss
dB
SWR 7/8 in. CV CW # # 7/8 in. 7/8 in. DCR-M1 # 1 3-1/8 in. .46 PA #
Isocoupler
dB
DCR-M10 # # 3-1/8 in. 2.9 RI #
Total Other:
dBk KW
DCR-M10-.5λ # # 3-1/8 in. 2.9 SC #
DCR-M12 # # 3-1/8 in. 5.5 SD #
Transmitter Power Output
DCR-M12-.5λ # # 3-1/8 in. 3.5 TN #
DCR-M2 # 2 3-1/8 in.  1.0 TX #
Created:
dBk kW
Coax Rated
kW
DCR-M2-.5λ # 2 3-1/8 in. .7 UT #
Derate Coax for Altitude: dB kW
DCR-M3 # 3 3-1/8 in. 1.5 VA #
  Coax VSWR de-rating:  kW kW safety margin
Derate Coax for Altitude+Tempurature dB kW
DCR-M3-.5λ # 3 3-1/8 in. 1. VT #
  Dielectric nor the author accept responsibility for errors of any kind.
Derate Coax for Alt+Temp+Solar dB kW
DCR-M4 # 4 3-1/8 in. 2.1 WA #
* De-rated coax for ambient temp, altitude AMSL & Max solar (W/M^2) for listed state
DCR-M4-.5λ # 4 3-1/8 in. 1.3 WI #
Elevation   Derate Coax
Temp dB Correction DCR-M5 # 5 3-1/8 in. 2.7 WV #
0 1
# 1
DCR-M5-.5λ # 5 3-1/8 in. 1.6 WY #
# 1
# 1
DCR-M6 # 6 3-1/8 in. 3.2
# 1
# 1
DCR-M6-.5λ # 6 3-1/8 in. 1.8
# 1
# 1
DCR-M7 # 7 3-1/8 in. 3.8
# 1
# 1
DCR-M7-.5λ # 7 3-1/8 in. 2.1 Air Coax W/m^2 Multiplier Inner rated to 121 Degrees C
# 1
DCR-M8 # 8 3-1/8 in. 4.3 0 1
# 1
Derated:
DcR-M8-.5λ # 8 3-1/8 in. 2.3 50 0.99
# 1
DCR-MFE-8 # 8 3-1/8 in. 4.5 100 0.96
DCR-MFE12 # # 3-1/8 in. 5.4 150 0.95
Derate for Altitude dBk
DCR-MFE4 # 4 3-1/8 in.  2.1 200 0.93
Derate for Altitude and Temp dBk
DCR-MFE6 # 6 3-1/8 in. 2.7 250 0.92
DCR-MT1 # 1 3-1/8 in.  .46 300 0.9
DCR-Q1 # 1 3-1/8 in. .43 350 0.88
DCR-Q10 # # 6-1/8 in. 4.2 Foam Coax W/m^2
Inner rated to 100 Degrees C
DCR-Q12 # # 6-1/8 in. 5. 0 1
DCR-Q2 # 2 6-1/8 in. .93 50 0.98
DCR-Q4 # 3 6-1/8 in. 1.79 100 0.96
DCR-Q6 # 6 6-1/8 in. 2.5 150 0.93
DCR-Q8 # 8 6-1/8 in. 3.3 200 0.92
DCR-S1 # 1 3-1/8 in. .46 250 0.89
DCR-S10 # # 3-1/8 in. 5.5 300 0.87
DCR-S10-.5λ # # 3-1/8 in. 2.9 350 0.85
DCR-S12 # # 3-1/8 in. 6.6 W/m^2
Inner rated to 200 Degrees C
DCR-S12-.5λ # # 3-1/8 in. 3.5 Air HT 0 1
DCR-S2 # 2 3-1/8 in. 1.0 50 0.99
DCR-S2-.5λ # 2 3-1/8 in. .7 100 0.985
DCR-S3 # 3 3-1/8 in. 1.5 150 0.98
DCR-S3-.5λ # 3 3-1/8 in. 1. 200 0.97
DCR-S4 # 4 3-1/8 in 2.1 250 0.96
DCR-S4-.5λ # 4 3-1/8 in. 1.3 300 0.95
DCR-S5 0 5 3-1/8 in. 2.7 350 0.94
DCR-S5-.5λ # 5 3-1/8 in. 1.8 W/m^2
DCR-S6 # 6 3-1/8 in. 3.2 Rigid 0 1
DCR-S6-.5λ # 6 3-1/8 in. 1.8 50 0.98
DCR-S7 # 7 3-1/8 in.s 3.8 100 0.96
DCR-S7-.5λ # 7 3-1/8 in. 2.1 150 0.93
DCR-S8 # 8 3-1/8 in. 4.3 200 0.92
DCR-S8-.5λ # 8 3-1/8 in. 2.3 Lynx λ 250 0.89
DCR-T1 1 1 DIN 7-16 .46 0.944 300 0.87
DCR-T2 2 2 1-5/8 in. 1. 0.944 350 0.85
Numbers from Myat
DCR-T3 3 3 1-5/8 in. 1.5 0.75
DCR-T4 4 4 1-5/8 in. 2.1 0.75
DCR-T5 5 5 1-5/8 in. 2.7 0.944
DCR-T6 6 6 1-5/8 in. 3.2 0.944
DCR-T7 7 7 1-5/8 in. 3.8