Licensee (Owner): IOWA PUBLIC BROADCASTING BOARD (Iowa Public Broadcasting Board)
Service Designation: DTV Full Service Digital TV Station
Channel: 18   494 - 500 MHz Licensed 
File Number: BLEDT-20090612AHJ     Facility ID Number: 29086
Application ID Number: ae7a28b3f6bb401e8deecf6212b6c0ea
CDBS Application ID: 1316563

43°	28'	32"	N	(43.475556)	Latitude
92°	42'	30"	W	(-92.708333)	Longitude (NAD83)

Polarization: Horizontal (H)	Horizontal	Vertical
Effective Radiated Power (ERP):	533		kW ERP
TV Zone: 2	Feet	Meters
Antenna Height Above Average Terrain:	1471'	448.5m
Antenna Height Above Ground Level:	1475'	449.6m
Antenna Height Above Mean Sea Level:	2749'	838.2m

18.35 kW TPO - 1.66 dB line loss + 16.29 dB antenna gain = 533 kW ERP

12.64 dBk TPO - 1.66 dB line loss + 16.29 dB antenna gain = 27.27 dBk ERP

Directional	Antenna ID No.: 87718	Pattern Rotation: 0°
Elec. Beam Tilt: 1.25°
Antenna Make: DIE	Antenna Model: TFU-22DSC-R 4P230
Relative Field values for directional antenna		Relative Field polar plot
Relative field values do not include any pattern rotation that may be indicated above.

0°  0.332      10°  0.258      20°  0.222      30°  0.197      40°  0.178      50°  0.168	60°  0.167      70°  0.173      80°  0.188      90°  0.211    100°  0.241    110°  0.297	120°  0.400    130°  0.539    140°  0.688    150°  0.821    160°  0.924    170°  0.986	180°  0.997    190°  0.953    200°  0.863    210°  0.753    220°  0.655    230°  0.596	240°  0.586    250°  0.626    260°  0.710    270°  0.820    280°  0.921    290°  0.986	300°  0.997    310°  0.954    320°  0.866    330°  0.744    340°  0.599    350°  0.453
177°  1.000	297°  1.000

ASRN:	1253749   ULS Data   Other Stations on Tower
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