Terrestrial Transmission of Digital Television Signals (DVB-T) - Digital Video and Audio Broadcasting Technology - page 380

The following applies to the conversion of the antenna output level from
the field strength present at the receiving site:
E[dBΜV/m] = U[dBΜV] + k[dB];
k[dB] = (-29.8 + 20 log(f[MHz]) - g[dB];
where:
E = electrical field strength,
U = antenna output level,
k = k factor of the antenna,
f = received frequency,
g = antenna gain.
The level present at the receiver input as a result is then:
S[dBΜV] = U[dBΜV] - loss[dB];
Where 'loss' designates the implementation losses (antenna feeder etc.)
Considering now Case 1 (16QAM) and Case 2 (64QAM) at 3 frequen-
cies:
a) f = 200 MHz,
b) f = 500 MHz,
c) f = 800 MHz.
The antenna gain is assumed to be g = 0 dB in each case (non-
directional rod antenna).
k factors of the antenna:
a) k = (-29.8 + 48) dB = 16.2 dB;
b) k = (-29.8 + 54) dB = 24.2 dB;
c) k = (-29.8 + 58.1) dB = 28.3 dB;
Field strengths for Case 1 (16QAM; minimum required level
U = S - loss = 22.3 dBΜV - 0dB = 22.3 ΜV:
a) E = (22.3 + 16.2) dBΜV/m = 38.5 dBΜV/m;
b) E = (22.3 + 24.2) dBΜV /m = 46.5 dBΜV/m;
c) E = (22.3 + 28.3) dBΜV/m = 50.6 dBΜV/m;