On any length of feedline where there is reactance the impedence will be different at any point along the feedline.

44 Foot Doublet at 35 feet

	Doublet			57 feet of 450 		   60ft
-----------------------------------------------------------------------
 7.040	31.7 -  J 759.9		1100 -J 4653		180 -J1876	
14.060	174.8 + J 575.1		66.8 +J   17.6		 73 +J135	
10.100	5.81 -  J 143.4		 8.7 +J  201		 11 +325
21.060	5635 +  J 435.7		41.3 +J   94		 61 +J328
28.060	97.9 -  J1036		  21 +J   75		 37 +J403

44 Foot Doublet at 35 Feet  
Frequency = 14 MHz.

Source 1      Voltage = 1 V. at 0.0 deg.
              Current = 0.001701 A. at -72.96 deg.
              Impedance = 172.3 + J 562.2 ohms
              Power = 0.0004984 watts
              SWR (50 ohm system) = 40.397  (450 ohm system) =  6.926

450 Ohm ladder at different lengths.
	   14 mhz		
-----------------
 10	633 -1183
 20	 73 562	
 30	 97 301
 40	2961 462
 50	105 -332
 60	 73 130		6.6:1
 70	515 1048
 80	204 -611
 90	 69 -12		1.4:1
100	178 546

The inverted vee (44at35inv) at 35 feet has it's ends at 13.8 feet.

The 44 foot doublet with 12 feet of wire hanging down is 20 feet long with 12 feet hanging down off each end.