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? SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WBAL Baltimore, MD Freq: 1090 kHz Class: A Latitude: 39-22-33 N Longitude: 076-46-21 W Power: 50 kW WBAL's 0.5 mV/m 50% Skywave Contour RMS: 2661.85 mV/m @1km Present Protected Contour: 55,120,133 People # Towers: 3 Total Interference Area: 14,550,428 People # Augs: 13 Percentage Of WBAL 0.5 mV/m SW Contour: 26.4%
WBAL
WBAL 0.5 mV/m Groundwave Proposed Protected Nighttime Contour
WBAL 0.5 mV/m 50% Skywave Present Protected Nighttime Contour FIGURE 1-N
Based On 2010 US Census Data &'
Predicted Nighttime Interference Area To The Present Protected WBAL 0.5 mV/m 50% Skywave Nighttime Contour From Class D Stations WBAF, WCAR, WKTE, WKFI, WCZZ, WENR, WHGG, WKBZ, WFCV, WTNK, WTSB and WILD Operating With Maximum Allowed Power In The Direction Of WBAL's 0.5 mV/m Groundwave Contour SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WBAF_N Population Gain Resulting From Proposed Protection of Barnsville, GA Nighttime 0.5 mV/m Groundwave Contour For Class A Station: Freq: 1090 kHz 10,767 People Class: D 139 Sq. kM. Latitude: 33-03-13 N Longitude: 084-08-07 W Power: 0.025 kW In Direction Of WBAL 0.5 mV/m Groundwave Contour RMS: 299.338 mV/m @1km # Towers: 1 # Augs: 0
WBAF_N
FIGURE 2-N
Based On 2010 US Census Data &'
WBAF NIF 3.8 mV/m Groundwave Contour With Protection To Class A Station WBAL's Proposed Protected 0.5 mV/m Groundwave Nighttime Contour SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WCAR_N Population Gain Resulting From Proposed Protection of Livonia, MI Nighttime 0.5 mV/m Groundwave Contour For Class A Station: Freq: 1090 kHz 85,691 People Class: B 47 Sq. kM. Latitude: 42-19-46 N Longitude: 083-21-43 W Power: 0.01 kW In Direction Of WBAL 0.5 mV/m Groundwave Contour RMS: 300.465 mV/m @1km # Towers: 1 # Augs: 0
WCAR_N
FIGURE 3-N
Based On 2010 US Census Data &'
WCAR NIF 6.4 mV/m Groundwave Contour With Protection To Class A Station WBAL's Proposed Protected 0.5 mV/m Groundwave Nighttime Contour
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WKFI_N Population Gain Resulting From Proposed Protection of Wilmington, OH Nighttime 0.5 mV/m Groundwave Contour For Class A Station: Freq: 1090 kHz 1,714 People Class: D 7.1 Sq. kM. Latitude: 39-26-12 N Longitude: 083-51-21 W Power: 0.0095 kW In Direction Of WBAL 0.5 mV/m Groundwave Contour RMS: 293.777 mV/m @1km # Towers: 1 # Augs: 0
WKFI
FIGURE 5-N
? Based On 2010 US Census Data &'
WKFI NIF 7.5 mV/m Groundwave Contour With Protection To Class A Station WBAL's Proposed Protected 0.5 mV/m Groundwave Nighttime Contour SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WCZZ_N Population Gain Resulting From Proposed Protection of Greenwood, SC Nighttime 0.5 mV/m Groundwave Contour For Class A Station: Freq: 1090 kHz 19,801 People Class: D 89 Sq. kM. Latitude: 34-09-46 N Longitude: 082-11-41 W Power: 0.01 kW In Direction Of WBAL 0.5 mV/m Groundwave Contour RMS: 323.657 mV/m @1km # Towers: 1 # Augs: 0
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Based On 2010 US Census Data &'
WCZZ NIF 3.6 mV/m Groundwave Contour With Protection To Class A Station WBAL's Proposed Protected 0.5 mV/m Groundwave Nighttime Contour SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WENR_N Population Gain Resulting From Proposed Protection of Englewood, TN Nighttime 0.5 mV/m Groundwave Contour For Class A Station: Freq: 1090 kHz 3,958 People Class: D 51 Sq. kM. Latitude: 35-25-35 N Longitude: 084-30-57 W Power: 0.018 kW In Direction Of WBAL 0.5 mV/m Groundwave Contour RMS: 299.338 mV/m @1km # Towers: 1 # Augs: 0
WERN
FIGURE 7-N
Based On 2010 US Census Data &'
WENR NIF 4.4 mV/m Groundwave Contour With Protection To Class A Station WBAL's Proposed Protected 0.5 mV/m Groundwave Nighttime Contour SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WHGG_N Population Gain Resulting From Proposed Protection of Kingsport, TN Nighttime 0.5 mV/m Groundwave Contour For Class A Station: Freq: 1090 kHz 6,181 People Class: D 39 Sq. kM. Latitude: 36-27-40 N Longitude: 082-27-12 W Power: 0.0075 kW In Direction Of WBAL 0.5 mV/m Groundwave Contour RMS: 296.665 mV/m @1km # Towers: 1 # Augs: 0
WHGG
FIGURE 8-N
? Based On 2010 US Census Data &'
WHGG NIF 5 mV/m Groundwave Contour With Protection To Class A Station WBAL's Proposed Protected 0.5 mV/m Groundwave Nighttime Contour SMITH KHANNA & GUILL, Inc. - Consulting Engineers.
WKBZ_N Population Gain Resulting From Proposed Protection of Muskegon, MI Nighttime 0.5 mV/m Groundwave Contour For Class A Station: Freq: 1090 kHz 8,004 People Class: D 30 Sq. kM. Latitude: 43-16-36 N Longitude: 086-15-14 W Power: 0.028 kW In Directon Of WBAL 0.5 mV/m Groundwave Contour RMS: 324.095 mV/m @1km # Towers: 1 # Augs: 0
WKBZ
FIGURE 9-N
? Based On 2010 US Census Data &'
WKBZ NIF 8.9 mV/m Groundwave Contour With Protection To Class A Station WBAL's Proposed Protected 0.5 mV/m Groundwave Nighttime Contour SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WFCV_N Population Gain Resulting From Proposed Protection of Fort Wayne, IN Nighttime 0.5 mV/m Groundwave Contour For Class A Station: Freq: 1090 kHz 44,557 People Class: D 54 Sq. kM. Latitude: 41-05-01 N Longitude: 085-04-32 W Power: 0.015 kW In Direction Of WBAL 0.5 mV/m Groundwave Contour RMS: 305.775 mV/m @1km # Towers: 1 # Augs: 0
WFCV
FIGURE 10-N
Based On 2010 US Census Data &'
WFCV NIF 7.4 mV/m Groundwave Contour With Protection To Class A Station WBAL's Proposed Protected 0.5 mV/m Groundwave Nighttime Contour SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WTNK_N Population Net Gain Resulting From Proposed Protection of Hartsville, TN Nighttime 0.5 mV/m Groundwave Contour For Class A Station: Freq: 1090 kHz 2,801 People Class: D 101 Sq. kM. Latitude: 36-23-17 N Longitude: 086-09-55 W Power: 0.026 kW In Direction Of WBAL 0.5 mV/m Groundwave Contour RMS: 299.311 mV/m @1km # Towers: 1 # Augs: 0
WTNK
Present WTNK Licensed Nighttime Operation
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Based On 2010 US Census Data &'
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WTSB_N Selma, NC Freq: 1090 kHz Class: D ! Latitude: 35-36-57 N Longitude: 078-24-33 W Power: 0.002 kW In Direction Of WBAL 0.5 mV/m Groundwave Contour RMS: 298.051 mV/m @1km # Towers: 1 # Augs: 0
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SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WBAL 0.1 mV/m Contour: 21,268,639 People; 196,048 Sq. kM WBAL 0.5 mV/m Contour: 10,662,168 People; 44,308 Sq. kM Total Interference Area 300,314 People; 3,397 Sq. kM Total Interference Area: 0 Percentage Of WBAL 0.1 mV/m Contour: 1.4%
WBAL Baltimore, MD WBAL 0.1 mV/m Freq: 1090 kHz Groundwave Contour Class: A Latitude: 39-22-33 N Longitude: 076-46-21 W Power: 50 kW RMS: 408.77 mV/m @1km # Towers: 1 # Augs: 0
WBAL
WBAL 0.5 mV/m Groundwave Contour
FIGURE 1.1-C
Showing Based On Diurnal Factor for SS-1 Hour Based On 2010 US Census Data &'
Alternative 1 - Proposed Critical Hours Interference Area to WBAL From The Licensed Daytime Hours Operation Of Stations KEXS, WCZZ, WFCV, WHGG, WILD And WTSB To Class A Station WBAL, Baltimore, MD for One Hour Before Sunset
SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WBAL 0.1 mV/m Contour: 21,268,639 People; 196,048 Sq. kM WBAL 0.5 mV/m Contour: 10,662,168 People; 44,308 Sq. kM Total Interference Area 10,475,410 People; 151,013 Sq. kM Total Interference Area: 253,979 People; 2,213 Sq. kM Percentage Of WBAL 0.1 mV/m Contour: 49.3% Percentage Of WBAL 0.5 mV/m Contour: 2.4%
WBAL Baltimore, MD WBAL 0.1 mV/m Freq: 1090 kHz Groundwave Contour Class: A Latitude: 39-22-33 N Longitude: 076-46-21 W Power: 50 kW RMS: 408.77 mV/m @1km # Towers: 1 # Augs: 0
WBAL
WBAL 0.5 mV/m Groundwave Contour
FIGURE 1.2-C
Showing Based On Diurnal Factor for SS-0.5 Hours Based On 2010 US Census Data &'
Alternative 1 - Proposed Critical Hours Interference Area to WBAL From The Licensed Daytime Hours Operation Of Stations KEXS, WCZZ, WFCV, WHGG, WILD And WTSB To Class A Station WBAL, Baltimore, MD for One-Half Hour Before Sunset
SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WBAL 0.1 mV/m Contour: 21,268,639 People; 196,048 Sq. kM WBAL 0.5 mV/m Contour: 10,662,168 People; 44,308 Sq. kM Total Interference Area 14,622,912 People; 175,387 Sq. kM Total Interference Area: 4,016,441 People; 21,647 Sq. kM Percentage Of WBAL 0.1 mV/m Contour: 68.8% Percentage Of WBAL 0.5 mV/m Contour: 37.7%
WBAL Baltimore, MD Freq: 1090 kHz WBAL 0.1 mV/m Class: A Groundwave Contour Latitude: 39-22-33 N Longitude: 076-46-21 W Power: 50 kW RMS: 408.77 mV/m @1km # Towers: 1 # Augs: 0
WBAL
WBAL 0.5 mV/m Groundwave Contour
FIGURE 1.3-C Showing Based On Diurnal Factor for SS-0.25 Hours
Based On 2010 US Census Data &'
Alternative 1 - Proposed Critical Hours Interference Area to WBAL From The Licensed Daytime Hours Operation Of Stations KEXS, WCZZ, WFCV, WHGG, WILD And WTSB To Class A Station WBAL, Baltimore, MD for One-Quarter Hour Before Sunset SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WBAL 0.1 mV/m Contour: 21,268,639 People; 196,048 Sq. kM WBAL 0.5 mV/m Contour: 10,662,168 People; 44,308 Sq. kM Total Interference Area 0 Total Interference Area: 0
WBAL Baltimore, MD Freq: 1090 kHz WBAL 0.1 mV/m Class: A Groundwave Contour Latitude: 39-22-33 N Longitude: 076-46-21 W Power: 50 kW RMS: 408.77 mV/m @1km # Towers: 1 # Augs: 0
WBAL
WBAL 0.5 mV/m Groundwave Contour
FIGURE 2.1-C Showing Based On Diurnal Factor for SS-1 Hour
Based On 2010 US Census Data &'
Alternative 2 - Proposed Critical Hours Interference Area to WBAL From Potential Critical Hours Operation Of Stations KEXS, WCZZ, WFCV, WHGG, WILD And WTSB To Class A Station WBAL, Baltimore, MD for One Hour Before Sunset
SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WBAL 0.1 mV/m Contour: 21,268,639 People; 196,048 Sq. kM WBAL 0.5 mV/m Contour: 10,662,168 People; 44,308 Sq. kM Total Interference Area 5,518,905 People; 115,570 Sq. kM Total Interference Area: 0 Percentage Of WBAL 0.1 mV/m Contour: 26%
WBAL Baltimore, MD Freq: 1090 kHz WBAL 0.1 mV/m Class: A Groundwave Contour Latitude: 39-22-33 N Longitude: 076-46-21 W Power: 50 kW RMS: 408.77 mV/m @1km # Towers: 1 # Augs: 0
WBAL
WBAL 0.5 mV/m Groundwave Contour
FIGURE 2.2-C Showing Based On Diurnal Factor for SS-0.5 Hours
Based On 2010 US Census Data &'
Alternative 2 - Proposed Critical Hours Interference Area to WBAL From Potential Critical Hours Operation Of Stations KEXS, WCZZ, WFCV, WHGG, WILD And WTSB To Class A Station WBAL, Baltimore, MD for One-Half Hour Before Sunset
SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WBAL 0.1 mV/m Contour: 21,268,639 People; 196,048 Sq. kM WBAL 0.5 mV/m Contour: 10,662,168 People; 44,308 Sq. kM Total Interference Area 10,845,097 People; 154,091 Sq. kM Total Interference Area: 314,669 People; 2,896 Sq. kM Percentage Of WBAL 0.1 mV/m Contour: 51% Percentage Of WBAL 0.5 mV/m Contour: 3%
WBAL Baltimore, MD Freq: 1090 kHz WBAL 0.1 mV/m Class: A Groundwave Contour Latitude: 39-22-33 N Longitude: 076-46-21 W Power: 50 kW RMS: 408.77 mV/m @1km # Towers: 1 # Augs: 0
WBAL
WBAL 0.5 mV/m Groundwave Contour
FIGURE 2.3-C Showing Based On Diurnal Factor for SS-0.25 Hours
Based On 2010 US Census Data &'
Alternative 2 - Proposed Critical Hours Interference Area to WBAL From Potential Critical Hours Operation Of Stations KEXS, WCZZ, WFCV, WHGG, WILD And WTSB To Class A Station WBAL, Baltimore, MD for One-Quarter Hour Before Sunset
SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WBAL WBAL's 0.1 mV/m Groundwave Baltimore, MD Present Protected Contour: 21,268,639 People Freq: 1090 kHz Total Interference Area: 1,037,110 People Class: A Percentage Of WBAL 0.1 mV/m Contour: 4.9% Latitude: 39-22-33 N Longitude: 076-46-21 W Power: 50 kW RMS: 408.77 mV/m @1km # Towers: 1 # Augs: 0
WBAL 0.5 mV/m Groundwave Proposed Protected Daytime Contour
WBAL
WBAL 0.1 mV/m Groundwave Present Protected Daytime Contour
FIGURE 1-D
? Based On 2010 US Census Data &'
Red Shaded Area is Predicted Daytime Interference Area Within WBAL's 0.1 mV/m Groundwave Daytime Contour From Nearby Class D Stations WTSB, WKTE, WKFI and WWDR Operating With Maximum Allowed Power In The Direction of WBAL SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WTSB_D Potential WTSB Population Gain in the Direction of WBAL Resulting From Protecting Selma, NC the Daytime 0.5 mV/m Contour of Class A Station WBAL: Freq: 1090 kHz 42,608 People; 1,348 Sq. kM. Class: D Latitude: 35-36-57 N Longitude: 078-24-33 W Power: 50 kW In The Direction Of WBAL 0.5 mV/m Groundwave Contour RMS: 297.7 mV/m @1km # Towers: 1 # Augs: 0
WBAL 0.5 mV/m Groundwave Proposed Protected Contour
WBAL 0.5 mV/m Groundwave Proposed Protected Contour
FIGURE 2-D WTSB * Based On 2010 US Census Data &'
Potential WTSB 0.5 mV/m Gain Area in the Direction of WBAL Resulting From Class A Station WBAL Being Protected to Its 0.5 mV/m Groundwave Daytime Contour SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WKTE_D King, NC Potential WKTE Population Gain in theDirection of WBAL Resulting From Protecting Freq: 1090 kHz the Daytime 0.5 mV/m Contour of Class A Station WBAL: Class: D 80,102 People; 1,757 Sq. kM. Latitude: 36-17-48 N Longitude: 080-22-18 W Power: 50 kW WBAL 0.5 mV/m Groundwave Proposed Protected Contour In Direction Of WBAL 0.5 mV/m Groundwave Contour RMS: 305.78 mV/m @1km # Towers: 1 # Augs: 0
WBAL 0.5 mV/m Groundwave Proposed Protected Contour
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WKTE Based On 2010 US Census Data &'
Potential WKTE 0.5 mV/m Gain Area in the Direction of WBAL Resulting From Class A Station WBAL Being Protected to Its 0.5 mV/m Groundwave Daytime Contour SMITHSMITH KHANNAKHANNA && GUILL,GUILL, Inc.Inc. -- ConsultingConsulting EngineersEngineers
WKFI_D Potential WKFI Population Gain in the Direction of WBAL Resulting From Protecting Wilmington, OH the Daytime 0.5 mV/m Contour of Class A Station WBAL: Freq: 1090 kHz 86,595 People; 2,440 Sq. kM. Class: D Latitude: 39-26-12 N Longitude: 083-51-21 W Power: 50 kW In Direction Of WBAL 0.5 mV/m Groundwave Contour RMS: 2145.954 mV/m @1km WBAL 0.5 mV/m Groundwave Proposed Protected Contour # Towers: 2 # Augs: 11
WKFI
WBAL 0.5 mV/m Groundwave Proposed Protected Contour
FIGURE 4-D
Based On 2010 US Census Data &'
Potential WKFI 0.5 mV/m Gain Area in the Direction of WBAL Resulting From Class A Station WBAL Being Protected to Its 0.5 mV/m Groundwave Daytime Contour SMITH KHANNA & GUILL, Inc. - Consulting Engineers
WWDR_D Potential WWDR Population Gain in the Direction of WBAL Resulting From Protecting Murfreesboro, NC Freq: 1080 kHz the Daytime 0.5 mV/m Contour of Class A Station WBAL: Class: D 236,893 People; 3,318 Sq. kM. Latitude: 36-26-24 N Longitude: 077-08-10 W Power: 50 kW In Direction of WBAL 0.5 mV/m Groundwave Contour RMS: 336.728 mV/m @1km # Towers: 1 # Augs: 0
WBAL 0.5 mV/m Groundwave Proposed Protected Contour
WBAL 0.5 mV/m Groundwave Proposed Protected Contour FIGURE 5-D
* Based On 2010 US Census Data WWDR &'
Potential WWDR 0.5 mV/m Gain Area in the Direction of WBAL Resulting From Class A Station WBAL Being Protected to Its 0.5 mV/m Groundwave Daytime Contour WBAL, BALTIMORE, MARYLAND 1090 kHz 50 kW DA-N JANUARY 2019
WBAL NIGHTTIME OPERATION
0.5 mV/m 50% Skywave Interference Caused to 0.5 mV/m 50% Skywave by (Presently Protected Maximized Class D Nighttime Operations Per SFNPRM Contour) Nighttime Alternative 1 Current Population (Figure 1-N) Population: Percentage of Interference to Population Within 0.5 mV/m 50% Skywave:
55,120,123 14,550,428 26.4%
GAIN IN CLASS D STATION’S NIGHTTIME INTERFERENCE FREE CONTOUR SERVICE WITH MAXIMUM POWER IN THE DIRECTION OF WBAL (Figures 2-N through 13-N)
Maximizing Class D Station Gain by Population (Persons) Figure and Area (square kilometers) WBAF 10,767/139 2-N WCAR 85,691/47 3-N WKTE 2,816/12 4-N WKFI 1,714/7.1 5-N WCZZ 19,801/80 6-N WERN 3,958/51 7-N WHGG 6,181/39 8-N WKBZ 8,004/30 9-N WFCV 44,557/54 10-N WTNK 2,801/101 11-N WTSB 20/3.2 12-N WILD 0/0.2 13-N
COLLECTIVE GAIN: 186,310/563.5
NET LOSS IN SERVICE FROM SFNPRM NIGHTTIME ALTERNATIVE 1 (CLASS A AM STATION LOSS MINUS COLLECTIVE GAIN IN CLASS D SERVICE):
14,550,428 (Loss of Class A AM Service) – 186,310 (Collective Class D Gain) = 14,364,118 persons Net Loss
WBAL, BALTIMORE, MARYLAND 1090 kHz 50 kW DA-N JANUARY 2019
WBAL CRITICAL HOURS OPERATION
SFNPRM Alternative 1: No Critical Hours Protections To Class A AM Stations
Critical Hours Interference Caused Within Class A 0.1 mV/m Groundwave Interference Caused Within Class A 0.5 mV/m Time Period Contour By Class D Operations With Full Daytime Power Groundwave Contour By Class D Operations With Full Daytime Power Population: Area Percentage of Population: Area Percentage of (square Interference to (square Interference to kilometers): Population Within kilometers): Population Within 0.1 mV/m Groundwave 0.5 mV/m Groundwave Contour: Contour:
One Hour 300,314 3,397 1.4% 0 0 0% Before Sunset (Figure 1.1-C)
One-Half Hour 10,475,410 151,013 49.3% 253,979 2,213 2.4% Before Sunset (Figure 1.2-C)
One-Quarter 14,622,912 175,387 68.8% 4,016,441 21,647 37.7% Hour Before Sunset (Figure 1.3-C)
1 WBAL CRITICAL HOURS OPERATION
SFNPRM Alternative 2: Section 73.190 Critical Hours Figures Revised to Reference Distance From 0.5 mV/m Contour (in Lieu of 0.1 mV/m Contour) of Class A AM Stations
Critical Hours Interference Caused Within Class A 0.1 mV/m Groundwave Interference Caused Within Class A 0.5 mV/m Time Period Contour By Class D Operations Per Alternative 2 Groundwave Contour By Class D Operations Per Alternative 2 Population: Area Percentage of Population: Area Percentage of (square Interference to (square Interference to kilometers): Population Within kilometers): Population Within 0.1 mV/m Groundwave 0.5 mV/m Groundwave Contour: Contour:
One Hour 0 0 0% 0 0 0% Before Sunset (Figure 2.1-C)
One-Half Hour 5,518,905 115,570 26.0% 0 0 0% Before Sunset (Figure 2.2-C)
One-Quarter 10,845,097 154,091 51.0% 314,669 2,896 3.0% Hour Before Sunset (Figure2.3-C)
11 WBAL, BALTIMORE, MARYLAND 1090 kHz 50 kW DA-N JANUARY 2019
WBAL DAYTIME OPERATION
0.1 mV/m Groundwave (Presently Interference Caused to Class A 0.1 mV/m Groundwave Protected Contour) Contour By Maximized Class D Daytime Operations Per SFNPRM Daytime Proposal (Figure 1-D) Population: Population: Percentage of Interference to Population Within 0.1 mV/m Groundwave Contour:
21,268,639 1,037,110 4.9%
GAIN IN CLASS D STATION’S DAYTIME OPERATION IN THE DIRECTION OF WBAL WITH MAXIMUM POWER IN THE DIRECTION OF WBAL (Figures 2-D through 5-D)
Maximizing Class D Station Gain by Population (Persons) Figure and Area (square kilometers) WTSB 42,608/1,348 2-D
WKTE 80,102/1,757 3-D
WKFI 86,595/2,440 4-D
WWDR 236,893/3,318 5-D
COLLECTIVE GAIN: 446,198/8863
NET LOSS IN SERVICE FROM SFNPRM DAYTIME PROPOSAL (CLASS A AM STATION LOSS MINUS COLLECTIVE GAIN IN CLASS D SERVICE):
1,037,110(Loss of Class A AM Service) – 446,198 (Collective Class D Gain) = 590,912 persons Net Loss1
1 This figure represents the net loss assuming upgrades by the listed neighboring Class D stations. Potentially different populations within the studied Class A AM station could be subject to interference depending upon future neighboring upgrades, with up to 10,606,471 persons subject to loss of service (WBAL’s 0.1 mV/m daytime contour population of 21,268,639 minus WBAL’s 0.5 mV/m daytime contour population of 10,662,168 = 10,606,471). Grid Based Incoming Interference Population Report
Station Information:
Call: WBAL Freq: 1090 kHz BALTIMORE, MD, US Hours: N Lat: 39-22-33 N Lng: 076-46-21 W Power: 50.0 kW - Custom Q Value Used: 24.784 Theo RMS: 2661.85 mV/m @ 1km @ 50.0 kW # of Augmentations: 13
Field Phase Spacing Orient Height Ref TL A B C D # Ratio (deg) (deg) (deg) (deg) Swtch Swtch (deg) (deg) (deg) (deg) ------1 0.509 102.2 0.0 0.0 200.0 0 0 0.0 0.0 0.0 0.0 2 1.000 0.0 93.0 85.0 200.0 1 0 0.0 0.0 0.0 0.0 3 0.509 -102.2 93.0 85.0 200.0 1 0 0.0 0.0 0.0 0.0
Azimuth Radiation Span # (deg) (mV/m@1km) (deg) ------1 15.00 3200.82 20.0 2 25.00 3723.54 20.0 3 71.50 4655.19 27.0 4 85.00 4857.48 27.0 5 100.00 4861.18 30.0 6 115.00 4653.90 30.0 7 130.00 4295.18 30.0 8 145.00 3696.18 15.0 9 152.50 3332.95 15.0 10 222.00 119.09 52.0 11 248.00 112.65 52.0 12 282.00 90.12 58.0 13 311.00 119.09 30.0
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Theoretical RMS: 2661.85 mV/m@1km Erss = 2691.85 mV/m@1km Standard RMS: 2795.06 mV/m@1km Q = 24.78 mV/m@1km Augmented RMS: 2869.44 mV/m@1km
Study Information:
Calculation Area: SkyWave 500.0 uV/m Grid Size: 500 x 500 Reference Propagation Model: Groundwave + Skywave Interference Propagation Model: Skywave [10% Time] Ratios: Co-channel: 20.0 First Adjacent: 1.0
C ?C @. 81 Second Adjacent: 0.033 Third Adjacent: 0.033 Ix signals combined using RSS methodology: Yes RSS Cutoff Percentage: 50.0 Threshold for reception: 0.1 mV/m Population Database: 2010 US Census (PL)
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Summary:
Total Station Coverage: 55,120,133 ( 1815937.1 sq. km ) Total Interference: 14,550,428 ( 357693.3 sq. km )
Interference Free Coverage: 40,569,705 ( 1458248.9 sq. km )
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Stations Causing Interference:
Call Letters Area (sq. km) Housing Units Population ------WKBZ_N 90,933 4,303,745 10,214,219 WILD_N 198,216 4,532,661 10,184,990 WFCV_N 45,674 2,828,799 6,699,709 WCAR_N 84,047 2,366,824 5,507,740 WTNK_N 18,515 1,334,152 3,040,801 WBAF_N 132,854 1,113,039 2,297,009 WCZZ_N 132,832 1,022,711 2,252,447 WKTE_N 30,588 888,382 2,129,979 WTSB_N 70,637 868,407 1,991,237 WKFI_N 6,547 486,248 1,179,459 WENR_N 83,348 617,410 1,178,957 WHGG_N 7,876 277,331 692,227 1090CKKW (Not Considered In Report) CBON-12 (Not Considered In Report) WUFO (Not Considered In Report) WKGX (Not Considered In Report) WKBY (Not Considered In Report) WWNL (Not Considered In Report) WWDR (Not Considered In Report) WOKT (Not Considered In Report) WALD (Not Considered In Report) WTIC (Not Considered In Report) WUFO (Not Considered In Report) WHLI (Not Considered In Report) WTAM (Not Considered In Report) WGPA (Not Considered In Report) WTWN (Not Considered In Report)
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Interference Free Breakdown:
C ?C @. 81 Grid Based Incoming Interference Population Report
Station Information:
Call: WBAL Freq: 1090 kHz BALTIMORE, MD, US Hours: D Lat: 39-22-33 N Lng: 076-46-21 W Power: 50.0 kW Theo RMS: 408.77 mV/m @ 1km @ 1kW
Field Phase Spacing Orient Height Ref TL A B C D # Ratio (deg) (deg) (deg) (deg) Swtch Swtch (deg) (deg) (deg) (deg) ------1 1.000 0.0 0.0 0.0 200.0 0 0 0.0 0.0 0.0 0.0
Study Information:
Calculation Area: GW 0.1 mV/m Grid Size: 500 x 500 Reference Propagation Model: Groundwave Interference Propagation Model: Groundwave Ratios: Co-channel: 20.0 First Adjacent: 2.0 Second Adjacent: 0.033 Third Adjacent: 0.033 Ix signals combined using RSS methodology: Yes RSS Cutoff Percentage: 50.0 Threshold for reception: 0.1 mV/m Population Database: 2010 US Census (PL)
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Summary:
Total Station Coverage: 21,268,639 ( 196048.5 sq. km ) Total Interference: 1,037,110 ( 82169.8 sq. km )
Interference Free Coverage: 20,231,529 ( 113880.7 sq. km )
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Stations Causing Interference:
Call Letters Area (sq. km) Housing Units Population ------WTSB_D 77,381 426,693 953,358 WKTE_D 10,941 246,551 595,082 WWDR_D 68,814 213,998 432,506 WKFI 2,505 41,562 88,652
CC * 8. 81 WTSB (Not Considered In Report) WUFO_O (Not Considered In Report) WWNL (Not Considered In Report) WWNL_D (Not Considered In Report)
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Interference Free Breakdown: White: 12,961,343 [ 64.1% ] Black: 3,837,744 [ 19.0% ] Hispanic: 1,886,392 [ 9.3% ] Native American: 39,048 [ 0.2% ] Asian: 1,070,938 [ 5.3% ] Pacific Islander: 7,257 [ 0.0% ] Mixed Race: 390,869 [ 1.9% ] Other: 37,938 [ 0.2% ]
Total: 20,231,529
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Housing Units Population % Delaware Kent County Total 65,338 162,310 WBAL Coverage 65,338 162,310 Ix Free Cov 65,338 162,310 100.00 New Castle County Total 217,511 538,479 WBAL Coverage 217,511 538,479 Ix Free Cov 217,511 538,479 100.00 Sussex County Total 123,036 197,145 WBAL Coverage 123,036 197,145 Ix Free Cov 123,036 197,145 100.00 District of Columbia District of Columbia Total 296,719 601,723 WBAL Coverage 296,719 601,723 Ix Free Cov 296,719 601,723 100.00 Maryland Allegany County Total 33,311 75,087 WBAL Coverage 22,961 51,338 Ix Free Cov 2,259 4,271 8.32 WKTE_D 20,702 47,067 91.68 WKFI 20,702 47,067 91.68 Anne Arundel County Total 212,562 537,656 WBAL Coverage 212,562 537,656 Ix Free Cov 212,562 537,656 100.00 Baltimore County Total 335,622 805,029
CC * 8. 81