Licensee (Owner): VPM MEDIA CORPORATION (Commonwealth Public Broadcasting)
Service Designation: DTV Full Service Digital TV Station
Channel: 21   512 - 518 MHz Licensed 
File Number: BLEDT-20100209AAB     Facility ID Number: 66378
Application ID Number: 23e326ce7f934b239d84cf6212b6c0ea
CDBS Application ID: 1422438

Location: Signal Knob (VA)
38°	57'	36.3"	N	(38.960083)	Latitude
78°	19'	51"	W	(-78.330833)	Longitude (NAD83)

Polarization: Horizontal (H)	Horizontal	Vertical
Effective Radiated Power (ERP):	100		kW ERP
TV Zone: 1	Feet	Meters
Antenna Height Above Average Terrain:	1312'	400m
Antenna Height Above Ground Level:	85'	26m
Antenna Height Above Mean Sea Level:	2191'	668m

3.628 kW TPO - 0.662 dB line loss + 15.064 dB antenna gain = 100 kW ERP

5.6 dBk TPO - 0.662 dB line loss + 15.064 dB antenna gain = 20 dBk ERP

Directional	Antenna ID No.: 89962	Pattern Rotation: 0°
Elec. Beam Tilt: 0.75°
Antenna Make: RFF	Antenna Model: PHP24C
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°  1.000      10°  1.000      20°  1.000      30°  1.000      40°  1.000      50°  0.990

60°  0.940      70°  0.908      80°  0.834      90°  0.720    100°  0.578    110°  0.421

120°  0.268    130°  0.156    140°  0.162    150°  0.169    160°  0.161    170°  0.153

180°  0.268    190°  0.421    200°  0.578    210°  0.720    220°  0.834    230°  0.908

240°  0.933    250°  0.960    260°  1.000    270°  1.000    280°  1.000    290°  1.000

300°  1.000    310°  1.000    320°  1.000    330°  1.000    340°  1.000    350°  1.000

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