Differences

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

--- project:ok1rbm:sx-600 [2017/04/23 09:20] – [measuring of Nagoya NA-701 from CN distributor] yan
+++ project:ok1rbm:sx-600 [2017/04/23 17:17] (current) – [measuring china NA-771] yan
@@ Line 88: / Line 88: @@
 ==== measuring china NA-771 =====
 <table>
-<caption>table 3 - measuring china NA-771 antenna frequency-Pf,Pr values measured by SX-600</caption>
+<caption>table 3 - measuring china RH771 antenna frequency-Pf,Pr values measured by SX-600</caption>
 |frq| | Pforw | Prefl | SWR |
 | | | | | |
@@ Line 98: / Line 98: @@
-==== measuring taiwan NA-771 =====
+==== measuring taiwan NA-701 =====
 <table>
 <caption>table 3 - measuring china NA-771 antenna frequency-Pf,Pr values measured by SX-600</caption>
@@ Line 104: / Line 104: @@
 | | | | | |
 |172.000| | 4 | 3.5  | 30{a} |
-|446.000| | 1.8 | 0.15  | 1.8{a} |
+|446.000| | 1.8 | 0.4  | 2.8{a} |
 </table>
 notes:
-a) calculated by equation from documentation SWR = [sqrt(Pf) + sqrt(Pr)]/[sqrt(Pf) - sqrt(Pr)] , measured "hanging freely"
+a) calculated by equation from documentation SWR = [sqrt(Pf) + sqrt(Pr)]/[sqrt(Pf) - sqrt(Pr)] , measured "hanging freely" - looked same from hand
+==== original wouxun antenna =====
+<table>
+<caption>table 3 - measuring original wouxun antenna frequency-Pf,Pr values measured by SX-600</caption>
+|frq| | Pforw | Prefl | SWR |
+| | | | | |
+|172.000| | 2.6 | 1.1  | 4.72{a} |
+|446.000| | 1.9 | 0.9  | 5.4{a} |
+</table>
+notes:
+a) calculated by equation from documentation SWR = [sqrt(Pf) + sqrt(Pr)]/[sqrt(Pf) - sqrt(Pr)] , measured "hanging from hand"