added antenna pointing parameters

@rfSensor/transmitterGain.m

@@ -11,11 +11,15 @@ function value = transmitterGain(obj, t, a)
         error("t and a must be the same size");
     end
 
-    n_t = 4;   % tilt beamwidth (higher = narrower beam)
-    n_a = 4;   % azimuth rolloff sharpness (higher = more directional)
+    n = 4;   % beamwidth exponent (higher = narrower beam)
 
-    % Elevation: cardioid family, null at zenith (t=180°), peak at nadir (t=0°)
-    % Azimuth: cardioid family, peak at a=0° (+y), null at a=180° (-y)
-    value = 10 .* n_t .* log10((1 + cosd(t)) ./ 2) + ...
-            10 .* n_a .* log10((0.5 + 0.5 .* cosd(a)));
+    % Angular offset from boresight via spherical law of cosines
+    % Convention: t=0° nadir, t=90° horizon; a=0° +y, a=90° +x
+    cos_theta = sind(obj.boresightTilt) .* sind(t) .* cosd(a - obj.boresightAzimuth) + ...
+                cosd(obj.boresightTilt) .* cosd(t);
+    cos_theta = max(-1, min(1, cos_theta));  % clamp for numerical safety
+    theta = acosd(cos_theta);
+
+    % Cardioid family: peak at boresight (theta=0), null opposite (theta=180°)
+    value = 10 .* n .* log10((1 + cosd(theta)) ./ 2);
 end