Differences

This shows you the differences between two versions of the page.

--- en:antennas [2019/04/13 16:23] – [Plastic 1/4 lambda GroundPlane] fluktuacia
+++ en:antennas [2019/04/14 13:13] – [Helixes - QHA] fluktuacia
@@ Line 22: / Line 22: @@
 [[en:gpant|A more detailed description]].
+===== Helices - QHA =====
+SC-QHA Helix is a type of circularly polarised antenna whose parameters can be almost homogenous 	over the whole hemisphere. The antenna is tuned mainly by a proper phasing of its four powering points.
+{{:cs:antennas:qha:bolidozor_sc-qha_antenna_prototype.jpg?600|}}
+Bolidozor network would make use of a Helix design with a square ground area measuring 2x2m. Such constructions has an advantage compared to a standard self-phase QHA antenna in that it has a narrower receiver bandwidth and greater total efficiency.
+[[en:qha|A more detailed description]].
 ===== Other types of antennas =====