id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cuesj-117	Zeki, Firas Muhammad; Al-Dalawie, Adil Hussein Mohammed	Design and Implementation a Non-uniform Helical Antenna in Frequency Range of 450–850 MHz for Ultra-high-frequency Television Application	2019	5	.pdf	application/pdf	2467	105	55	Angle (Degree) Power (dBm) 1 −180 −22 20 10 −9 2 −170 −21 21 20 −10 3 −160 −20 22 30 −12 4 −150 −19 23 40 −15 5 −140 −18 24 50 −17 6 −130 −15 25 60 −18 7 −120 −18 26 70 −19 8 −110 −20 27 80 −20 9 −100 −22 28 90 −21 10 −90 −21 29 100 −22 11 −80 −20 30 110 −20 12 −70 −19 31 120 −18 13 −60 −18 32 130 −15 14 −50 −17 33 140 −18 15 −40 −15 34 150 −19 16 −30 −12 35 160 −20 17 −20 −10 36 170 −21 18 −10 −9 37 180 −22 19 0 −6 radiation pattern of non-uniform helical antenna under test, respectively, these results show the deferent received power about 10–12 dB more with non-uniform helical antenna gain. Implemented non-uniform helical antenna under test Figure 9: Commercial loop antenna radiation pattern Figure 6: Non-uniform helical antenna manufactured Table 2: Measurements of commercial loop antenna Step no.	cache/cuesj-117.pdf	txt/cuesj-117.txt