[BC] The Daytime Answer...

[PeterH5322@aol.com]

In a message dated 11/13/05 8:43:37 PM, Robertm at broadcast.net writes:

> KFBK 1530?? Sacramento? ? 50? ? ? ? 2*? ? ? ? ?? 5360 @ 345

It's DA-2, so ...

Day: 5362 mV/M at 1 km

Night: 5298 mV/M at 1 km

Plus, this array has a symmetrical maximum towards the South, where the real 
action is.

The northern maximum serves the upper Sacto Valley (Marysville, Yuba City, 
Chico, Redding, etcetera).

The southern maximum serves Sacto itself, the southern Sacto Valley, and the 
more distant (and connected) San Joaquin Valley (Stockton, Modesto, Merced, 
etcetera).

Day maxima: 344 and 172 degrees

Night maxima: 342 and 174 degrees

The other stations mentioned, with the exception of WLQV which sends a little 
towards Toledo, have one predominate lobe with which 5K to 6K mV/m is 
delivered.

KFBK sends its 5K mV/m in two completely different directions, for the 
purposes mentioned, and with only two towers.


> * Note: KFBK uses 180 degree Franklin towers (I think).? I'm certain
> that Peter can confirm/deny this.

180 over 180, the only true Franklins (there are two on the site) which are 
currently installed ... although KSTP's 179 over 179 is about equal in 
performance, 510 mV/m/kW at 1 km, although this radiator is modeled as a standard 
sectional, not as a Franklin.

KSTP doesn't employ this tower in its night array, although the night array 
is quite close to the day tower, but due East of it.

In order to utilize this tower in an array, the two additional towers would 
have to be sited Northwest of the day tower (the tallest tower necessarily must 
always point towards the station or stations to be protected ... only WTOP in 
this case).