TPO Estimator       Antenna 2 State   Coax Type Look Up Loss Lookup kW Loss/100ft Power kW Size Connector      
Station Call Letters         FM1-1 AK   Andrew AVA5-50J 7/8 in. Foam B C 7/8 in. 7/8 in.        
Station City of License         FM1-10 AL   Andrew AVA7-50J 1-5/8 in. Foam D E 1-5/8 in. 1-5/8"        
Station State
      Spacing FM1-10-.5λ AR   Andrew HJ11-50, 4 in. Air AR AS 4 in. 3-1/8 in.        
Frequency MHz     0.500 FM1-2 AZ   Andrew HJ12-50, 2-1/4 in. Air AT AU 2-1/4 in. 3-1/8 in.        
Antenna Type*
"-.5λ for half wave" 1.000 FM1-2-.5λ CA   Andrew HJ5-50, 7/8 in. Air AV AW 7/8 in. 7/8 in.        
Contact factor for other bay spacings         FM1-3 CO   Andrew HJ7-50A, 1-5/8 in. Air AZ BA 1-5/8 in. 1-5/8 in. λ          
          FM1-3-.5λ CT   Andrew HJ8-50B, 3 in. Air BB BC 3 in. 3-1/8 in.          
Coax Type
      Channel FM1-4 DC   Andrew HJ9-50-HT, 5 in. Air HT BD BE 5 in. 6-1/8 in       Data D9
Coax run length information:           FM1-4.5λ DE   Andrew HJ9-50, 5 in. Air DD DE 5 in. 6-1/8 n.        
Legnth coax on tower Ft.       FM1-5 FL   Andrew LDF-4-50 1/2: Foam BP BQ 2-1/4 in. 3-1/8 in.        
Length coax on ground Ft.       FM1-5.5λ GA   Andrew LDF12J 2.25 in. Foam BR BS 1/2 in. "N"          
Isocoupler loss in dB dB       FM1-6 HI   ERI MACX350A - Or 1329 3-1/8 in. Rigid CA CB 3-1/8 in. 3-1/8 in.        
Filter loss in dB dB       FM1-6-.5λ IA   ERI MACX450 - Or 1329 4-1/16 in. Rigid CC CD 4-1/16 in. 4-1/16 in.      
Circulator Loss in dB (.78 is typical) dB       FM1-8 ID   ERI MACX650B - Or 1329 6-1/8 in. Rigid CE CF 6-1/ in. 6-1/8 in.        
ERP in kW kW       FM1-8-.5λ IL   ERI MACX850 - 8-3/16 in. Rigid CK CL 8-1/2 in. 8-3/16 in.      
Approximate height AMSL ft.
Ft.       FM10-1 IN   ERI STD561_1-5/8_in. Rigid CZ DA 1-5/8 in. 1-5/8 in.        
Ambient temperature (F)
° F       FM10-10 KA   Eupen EC5-50A Foam DG DH 7/8 in. 7/8 in.        
Connector loss (0.1 normal for two) dB       FM10-10-.5λ KY   Myat 101 7/8 in. Rigid CV CW 7/8 in. 7/8 in.        
            FM10-2 LA   Myat 202 1-5/8 in. Rigid CN CO 1-5/8 in. 1-5/8 in.        
(1) Input the B column.Items  4, 6, 9, 17 & 18 are pull downs
FM10-2-.5λ MA
Myat 301 3-1/8 in. Rigid CP CQ 3-1/8 in. 3-1/8 in.
(2) SWR nor the author accept any liability for errors of any type. Use at your own risk
FM10-3 MD
Myat 401 4-1/16 in. Rigid CR CS 4-1/16 in. 4-1/16 in.
(3) Coax safety factor based on coax size at the transmitter output
FM10-3-.5λ ME
Myat 601 6-1/8 in. Rigid CT CU 6-1/8 in. 6-1/8 in.
(4) Solar de-rating for coax based on highest value for the selected State
FM10-4 MI
RFS HCA12 1/2 in. Air X Y 1/2 in. "N"
(5) Confirm results with your consultant
FM10-4-.5λ MN
RFS HCA158 1-5/8 in. Air Z AA 1-5/8 in. 1-5/8 in.
(6) * Contact factory for other bay spacings; -0.5λ at end of antenna model indicates half wave
FM10-5 MO
RFS HCA214 2-1/4 in. Air AB AC 2-1/4 in. 3-1/8 in.
(7) Use GRAPHIC tab above to view/print results. Red results indicate a problem
FM10-5-.5λ MS
RFS HCA300 3 in. Air AD AE 3 in. 3-1/8 in.
FM10-6 MT
RFS HCA318 3-1/8 in. Air AF AG 3-1/8 in. 3-1/8 in.
        0 FM10-6-.5λ NC   RFS HCA400 4 in. Air AH AI 4-1/16 in. 3-1/8 in.        
## FM10-8 ND
RFS HCA78 7/8 in. Air AN AO 7/8 in. 7/8 in.
## FM10-8-.5λ NE
RFS LCF114 1-1/4 in. Foam BF BG 1-1/4 in. 1-5/8 in.
## FM3-1 NH
RFS LCF12 1/2 in. Foam BH BI 1/2 in. "N"
## FM3-10 NJ
RFS LCF158 1-5/8 in. Foam BJ BK 1-5/8 in. 1-5/8 in.
## FM3-10-.5λ NM
RFS LCF214 2-1/4 in. Foam BL BM 2-1/4 in. 3-1/8 in.
## FM3-2 NV
RFS LCF78 7/8 in. Foam BN BO 7/8 in. 7/8 in.
## FM3-2-.5λ NY
SWR 1-5/8 in. TL-150200 Rigid CN CO 1-5/8 in. 1-5/8 in.
FM3-3 OH
SWR 3-1/8 in.TL-350200 Rigid CP CQ 3-1/8 in. 3-1/8 in.
32 FM3-3-.5λ OK
SWR 4-1/16 in. TL450200 Rigid CR CS 3-1/8 in. 3-1/8 in.
68 FM3-4 OR
SWR 6-1/8 in. TL650200 Rigid CT CU 6-1/8 in. 6-1/8 in.
## FM3-4-.5λ PA
SWR 7/8 in. TL-780200 Rigid CV CW 7/8 in. 7/8 in.
## FM3-5 RI
xAndrew LDF2 3/8" Foam Line BP BQ 3/8 in. "N"
## FM3-5-.5λ SC
FM3-6 SD
Circular FM3-6-.5λ TN
Horizontal FM3-8 TX
Vertical FM3-8-.5λ UT
Elliptical FMEC-1 VA
FMEC-10 VT
FMEC-2 WA
FMEC-3 WI
        FMEC-4 WV                            
FMEC-5 WY
   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 B C     7/8 in. 7/8 in. FM1-1     N .441 AK   MJ/m^2  
Andrew AVA7-50J 1-5/8 in. Foam D E
1-5/8 in. 1-5/8" FM1-10
N 5.456 AL
W/m^2
          Andrew HJ11-50, 4 in. Air AR AS     4 in. 3-1/8 in. FM1-10-.5λ     N 3.129 AR   Solar Multiplier Vert  
    MHz Channel         Andrew HJ12-50, 2-1/4 in. Air AT AU     2-1/4 in. 3-1/8 in. FM1-2     N .959 AZ   Solar Multiplier Horz  
              Andrew HJ5-50, 7/8 in. Air AV AW     7/8 in. 7/8 in. FM1-2-.5λ     N .695 CA              
Andrew HJ7-50A, 1-5/8 in. Air AZ BA
1-5/8 in. 1-5/8 in. λ FM1-3
N 1.495 CO
Antenna System
Andrew HJ8-50B, 3 in. Air BB BC
3 in. 3-1/8 in. 6 FM1-3-.5λ
N 1.012 CT
Antenna Type
Andrew HJ9-50, 5 in. Air BD BE
5 in. 6-1/8 in 1 FM1-4
N 2.044 DC
ERP
dBk kW
Andrew HJ9-50-HT, 5 in. Air HT DD DE
5 in. 6-1/8 n. FM1-4.5λ
N 1.313 DE
Check for AND Air vs.Foam or rigid
Gain
dBd x
Andrew LDF12 3/8" Foam BP BQ
3/8 in. "N" FM1-5
N 2.59 FL
Check for CWS Air vs.Foam
Bays
Andrew LDF12J 2.25 in. Foam BP BQ
2-1/4 in. 3-1/8 in. FM1-5.5λ
N 1.623 GA
Bay Spacing
Andrew LDF-4-50 1/2: Foam BR BS
1/2 in. "N" FM1-6
N 1.623 HI
Antenna Input Power
dBk kW
ERI MACX350A - Or 1329 3-1/8 in. Rigid CA CB
3-1/8 in. 3-1/8 in. FM1-6-.5λ
N 3.16 IA
Safety factor
dBk
ERI MACX450 - Or 1329 4-1/16 in. Rigid CC CD
4-1/16 in. 4-1/16 in. FM1-8
N 1.924 ID
Antenna Input Size
Female
ERI MACX650B - Or 1329 6-1/8 in. Rigid CE CF
6-1/ in. 6-1/8 in. FM1-8-.5λ
N 4.311 IL
Solar:
Transmission Line Losses
ERI MACX850 - 8-3/16 in. Rigid CK CL
8-1/2 in. 8-3/16 in. FM10-1
3-1/8 in. .441 IN
Height above sea level for coax de-rating: Ft.
ERI STD561_1-5/8_in. Rigid CZ DA
1-5/8 in. 1-5/8 in. FM10-10
3-1/8 in. 5.456 KA
right(c23) Coax Type
For ambient temperature: Degrees Solar:  W/M^2
Eupen EC5-50A Foam DG DH
7/8 in. 7/8 in. FM10-10-.5λ
3-1/8 in. 3.129 KY
AC86 Rigid AA23 d
Myat 101 7/8 in. Rigid CV CW
7/8 in. 7/8 in. FM10-2
3-1/8 in. .959 LA
AC68 Foam AA21 m
Vertical Coax Run
Myat 202 1-5/8 in. Rigid CN CO
1-5/8 in. 1-5/8 in. FM10-2-.5λ
3-1/8 in. .695 MA
AC59 Air AA20 r
Type:
Myat 301 3-1/8 in. Rigid CP CQ
3-1/8 in. 3-1/8 in. FM10-3
3-1/8 in. 1.495 MD
AC77 HT AA22 t
Length:
Ft.
Myat 401 4-1/16 in. Rigid CR CS
4-1/16 in. 4-1/16 in. FM10-3-.5λ
3-1/8 in. 1.012 ME
Attenuation:
dB/100ft.
Myat 601 6-1/8 in. Rigid CT CU
6-1/8 in. 6-1/8 in. FM10-4
3-1/8 in. 2.044 MI
Total Tower Run Loss:
dB
RFS HCA12 1/2 in. Air X Y
1/2 in. "N" FM10-4-.5λ
3-1/8 in. 1.313 MN
RFS HCA158 1-5/8 in. Air Z AA
1-5/8 in. 1-5/8 in. FM10-5
3-1/8 in. 2.590 MO
Horizontal Coax Run
RFS HCA214 2-1/4 in. Air AB AC
2-1/4 in. 3-1/8 in. FM10-5-.5λ
3-1/8 in. 1.623 MS
Type:
RFS HCA300 3 in. Air AD AE
3 in. 3-1/8 in. FM10-6
3-1/8 in. 3.160 MT
Length:
Ft.
RFS HCA318 3-1/8 in. Air AF AG
3-1/8 in. 3-1/8 in. FM10-6-.5λ
3-1/8 in. 1.924 NC
Attenuation:
dB/100ft.
RFS HCA400 4 in. Air AH AI
4-1/16 in. 3-1/8 in. FM10-8
3-1/8 in. 4.311 ND
Total Ground Run Loss:
dB
RFS HCA78 7/8 in. Air AN AO
7/8 in. 7/8 in. FM10-8-.5λ
3-1/8 in. 2.528 NE
Coax Power Capability:
kW dBk
RFS LCF114 1-1/4 in. Foam BF BG
1-1/4 in. 1-5/8 in. FM3-1
1-5/8 in. .441 NH
Coax Run Power Safety Factor dBk
RFS LCF12 1/2 in. Foam BH BI
1/2 in. "N" FM3-10
1-5/8 in. 5.456 NJ
Total Coax Length:
Ft.
RFS LCF158 1-5/8 in. Foam BJ BK
1-5/8 in. 1-5/8 in. FM3-10-.5λ
1-5/8 in. 3.129 NM
Connector losses:
dB
RFS LCF214 2-1/4 in. Foam BL BM
2-1/4 in. 3-1/8 in. FM3-2
1-5/8 in. .959 NV
Coax System Efficiency:
%
RFS LCF78 7/8 in. Foam BN BO
7/8 in. 7/8 in. FM3-2-.5λ
1-5/8 in. .695 NY
Total Line Loss
dBk
SWR 1-5/8 in. TL-150200 Rigid CN CO
1-5/8 in. 1-5/8 in. FM3-3
1-5/8 in. 1.495 OH
Other Losses
SWR 3-1/8 in.TL-350200 Rigid CP CQ
3-1/8 in. 3-1/8 in. FM3-3-.5λ
1-5/8 in. 1.012 OK
Circulator Loss
dB
SWR 4-1/16 in. TL450200 Rigid CR CS
3-1/8 in. 3-1/8 in. FM3-4
1-5/8 in. 2.044 OR
Filter Loss
dB
SWR 6-1/8 in. TL650200 Rigid CT CU
6-1/8 in. 6-1/8 in. FM3-4-.5λ
1-5/8 in. 1.373 PA
Isocoupler
dB
SWR 7/8 in. TL-780200 Rigid CV CW 0.3803 4.28 7/8 in. 7/8 in. FM3-5
1-5/8 in. 2.59 RI
Total Other:
dBk
FM3-5-.5λ
1-5/8 in. 1.623 SC
FM3-6
1-5/8 in. 3.16 SD
Transmitter Power Output
FM3-6-.5λ
1-5/8 in. 1.924 TN
FM3-8
1-5/8 in. 4.311 TX
Created:
dBk kW
Coax Rating kW
FM3-8-.5λ
1-5/8 in. 2.528 UT
Derate Coax for Altitude: dB kW
FMEC-1
N .441 VA
  Coax VSWR de-rating:  kW kW safety margin
Derate Coax for Altitude+Tempurature dB kW
FMEC-10 2
N 5.456 VT
  SWR nor the author accept responsibility for errors of any kind.
Derate Coax for Alt+Temp+Solar dB kW
FMEC-2 1
N .959 WA
* De-rated coax for ambient temp, altitude AMSL & Max solar (W/M^2) for listed state
FMEC-3 1.5
N 1.495 WI
Elevation   Derate Coax Temp dB Correction FMEC-4 2
N 2.044 WV
FMEC-5 2
N 2.044 WY
FMEC-6 2
N 2.593.16
FMEC-8 2
N 4.311
FMEH-1 0.5
N .883
FMEH-10 2
N 10.913 Air Coax W/m^2 Multiplier Inner rated to 121 Degrees C
FMEH-10-.5λ 2
N 6.258 0 1
Tem Derate
FMEH-2 1
N 1.918 50 0.99
FMEH-2-.5λ 1
N 1.39 100 0.96
FMEH-3 1.5
N 2.991 150 0.95
Derate for Altitude dBk
FMEH-3-.5λ 1.5
N 2.025 200 0.93
Derate for Altitude and Temp dBk
FMEH-4 2
N 4.088 250 0.92
FMEH-4-.5λ 2
N 2.627 300 0.9
FMEH-5 2
N 5.190 350 0.88
FMEH-5-.5λ 2
N 3.245 Foam Coax W/m^2
Inner rated to 100 Degrees C
FMEH-6 2
N 6.321 0 1
FMEH-6-.5λ 2
N 3.847 50 0.98
FMEH-8 2
N .622 100 0.96
FMEH-8-.5λ 2
N 5.057 150 0.93
FMEH-Plus-1 1
DIN 7-16 .883 200 0.92
FMEH-Plus-10 5.5
DIN 7-16 10.913 250 0.89
FMEH-Plus-2 2
DIN 7-16 1.918 300 0.87
FMEH-Plus-2-.5λ 2
DIN 7-16 1.39 350 0.85
FMEH-Plus-3 3
DIN 7-16 2.991 W/m^2
Inner rated to 200 Degrees C
FMEH-Plus-3-.5λ 3
DIN 7-16 2.025 Air HT 0 1
FMEH-Plus-4 5
DIN 7-16 4.088 50 0.99
FMEH-Plus-4-.5λ 5
DIN 7-16 2.627 100 0.985
FMEH-Plus-5 5.5
DIN 7-16 5.190 150 0.98
FMEH-Plus-5-.5λ 5.5
DIN 7-16 3.245 200 0.97
FMEH-Plus-6 5.5
DIN 7-16 6.321 250 0.96
FMEH-Plus-6-.5λ 5.5
DIN 7-16 3.847 300 0.95
FMEH-Plus-8 5.5
DIN 7-16 .622 350 0.94
FMEH-Plus-8-.5λ 5.5
DIN 7-16 5.057 W/m^2
FMEV-1 0.5
N .853 Rigid 0 1
FMEV-10 2
N 10.913 50 0.98
FMEV-10-.5λ 2
N 6.258 100 0.96
FMEV-2 1
N 1.918 150 0.93
FMEV-2-.5λ 1
N 1.390 200 0.92
FMEV-3 1.5
N 2.991 Lynx λ 250 0.89
FMEV-3-.5λ 1.5
N 2.025 0.944 300 0.87
FMEV-4 2
N 4.088 0.944 350 0.85
Numbers from Myat
FMEV-4-.5λ 2
N 2.627 0.75
FMEV-5 2
N 5.19 0.75
FMEV-5-.5λ 2
N 3.245 0.944
FMEV-6 2
N 6.321 0.944
FMEV-6-.5λ 2
N 3.847
FMEV-8 2
N 8.622
FMEV-8-.5λ 2
N 5.057
FMEV-Plus-1 1
DIN 7-16 .853
FMEV-Plus-10 5.5
DIN 7-16 10.913
FMEV-Plus-10-.5λ 5.5
DIN 7-16 6.258
FMEV-Plus-2 2
DIN 7-16 1.918
FMEV-Plus-2-.5λ 2
DIN 7-16 1.390
FMEV-Plus-3 3
DIN 7-16 2.991
FMEV-Plus-3-.5λ 3
DIN 7-16 2.025
FMEV-Plus-4 5
DIN 7-16 4.088
FMEV-Plus-4-.5λ 5.5
DIN 7-16 2.627
FMEV-Plus-5 5.5
DIN 7-16 5.19
FMEV-Plus-5-.5λ 5.5
DIN 7-16 3.245
FMEV-Plus-6 5.5
DIN 7-16 6.321
FMEV-Plus-6-.5λ 5.5
DIN 7-16 3.847
FMEV-Plus-8 5.5
DIN 7-16 8.622
FMEV-Plus-8-.5λ 5.5
DIN 7-16 5.057
FMP-1 35
3-1/8 in. .441
FMP-2 70
4-1/16 in .959
FMP-3 105
6-1/8 in. 1.495
FMP-4 105
6-1/8 in. 2.044
FMP-5 105
6-1/8 in 2.59
FMP-6 105
6-1/8 in. 3.16
FMP-8 105
6-1/8 in. 4.311
FMP10 105
6-1/8 in. 5.456
FMU-1 35
3-1/8 in. .441
FMU-10 105
6-1/8 in. 5.456
FMU-10-.5λ 105
6-1/8 in. 4.954
FMU-2 70
4-1/16 in. .959
FMU-2-.5λ 70
4-1/16 in. .411
FMU-3 105
6-1/8 in. 1.495
FMU-3-.5λ 105
6-1/8 in. .695
FMU-4 105
6-1/8 in. 2.044
FMU-4-.5λ 105
6-1/8 in. 1.012
FMU-5 105
6-1/8 in. 2.89
FMU-5-.5λ 105
6-1/8 in. 1.313
FMU-6 105
6-1/8 in. 3.160
FMU-6-.5λ 105
6-1/8 in. 2.842
FMU-8 105
6-1/8 in. 6.346
FMU-8-.5λ 105
6-1/8 in. 4.028
Illumtron-10 100
6-1/8 in. 5.19
Illumtron-10-.5λ 100
6-1/8 in. 2.8
Illumtron-12 100
6-1/8 in. 6.2
Illumtron-12-.5λ 100
6-1/8 in. 3.4
Illumtron-2 100
6-1/8 in. 1.
Illumtron-2-.5λ 100
6-1/8 in. .69
Illumtron-4 100
6-1/8 in. 1.9
Illumtron-4-.5λ 100
6-1/8 in. 1.2
Illumtron-6-.5λ 100
6-1/8 in. 1.7
Illumtron-6. 100
6-1/8 in. 3.
Illumtron-8 100
6-1/8 in. 4.
Illumtron-8-.5λ 100
6-1/8 in.