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ham harmonic's 160/10m

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[quote][i]Originally posted by vk3pa[/i]
[br]																			
Look Up			SUB HARMONICS of AMATEUR BAND								HARMONICS of AMATEUR BAND								
			8	7	6	5	4	3	2		1	2	3	4	5	6	7	8	9
Bottom	1.800		0.225	0.257	0.300	0.360	0.450	0.600	0.900		1.800	3.600	5.400	7.200	9.000	10.800	12.600	14.400	16.200
T op	2.000		0.250	0.286	0.333	0.400	0.500	0.667	1.000		2.000	4.000	6.000	8.000	10.000	12.000	14.000	16.000	18.000
																			
Bottom	3.500		0.438	0.500	0.583	0.700	0.875	1.167	1.750		3.500	7.000	10.500	14.000	17.500	21.000	24.500	28.000	31.500
T op	4.000		0.500	0.571	0.667	0.800	1.000	1.333	2.000		4.000	8.000	12.000	16.000	20.000	24.000	28.000	32.000	36.000
																			
Bottom	7.000		0.875	1.000	1.167	1.400	1.750	2.333	3.500		7.000	14.000	21.000	28.000	35.000	42.000	49.000	56.000	63.000
T op	7.100		0.888	1.014	1.183	1.420	1.775	2.367	3.550		7.100	14.200	21.300	28.400	35.500	42.600	49.700	56.800	63.900
																			
Bottom	10.100		1.263	1.443	1.683	2.020	2.525	3.367	5.050		10.100	20.200	30.300	40.400	50.500	60.600	70.700	80.800	90.900
T op	10.150		1.269	1.450	1.692	2.030	2.538	3.383	5.075		10.150	20.300	30.450	40.600	50.750	60.900	71.050	81.200	91.350
																			
Bottom	14.000		1.750	2.000	2.333	2.800	3.500	4.667	7.000		14.000	28.000	42.000	56.000	70.000	84.000	98.000	112.000	126.000
T op	14.350		1.794	2.050	2.392	2.870	3.588	4.783	7.175		14.350	28.700	43.050	57.400	71.750	86.100	100.450	114.800	129.150
																			
Bottom	18.068		2.259	2.581	3.011	3.614	4.517	6.023	9.034		18.068	36.136	54.204	72.272	90.340	108.408	126.476	144.544	162.612
T op	18.168		2.271	2.595	3.028	3.634	4.542	6.056	9.084		18.168	36.336	54.504	72.672	90.840	109.008	127.176	145.344	163.512
																			
Bottom	21.000		2.625	3.000	3.500	4.200	5.250	7.000	10.500		21.000	42.000	63.000	84.000	105.000	126.000			
T op	21.450		2.681	3.064	3.575	4.290	5.363	7.150	10.725		21.450	42.900	64.350	85.800	107.250	128.700			
																			
Bottom	24.890		3.111	3.556	4.148	4.978	6.223	8.297	12.445		24.890	49.780	74.670	99.560	124.450	149.340			
T op	24.990		3.124	3.570	4.165	4.998	6.248	8.330	12.495		24.990	49.980	74.970	99.960	124.950	149.940			
																			
Bottom	28.000		3.500	4.000	4.667	5.600	7.000	9.333	14.000		28.000	56.000	84.000	112.000	140.000	168.000			
T op	29.510		3.689	4.216	4.918	5.902	7.378	9.837	14.755		29.510	59.020	88.530	118.040	147.550	177.060			
																			
How to use these tables																			
																			
Example	The Fourth harmonic of transmissions made within the 20 meters band will produce harmonics					
	within the range 56 Mhz to 57.4 Mhz					
						
Example	When intruder heard say on 14.290Mhz, look for harmonic that falls between bottom 14.000 Mhz					
	and top 14.350 Mhz read across the page and listen between the top and bottom frequencies shown					
	Repeat until found					
						
						
	Cells in light blue can be ignored for HF use. Also good to identify TVi interference

[/quote]

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T O P I C R E V I E W

vk3pa

Posted - 20 Apr 2007 : 12:27:27 PM

Look Up SUB HARMONICS of AMATEUR BAND HARMONICS of AMATEUR BAND
8 7 6 5 4 3 2 1 2 3 4 5 6 7 8 9
Bottom 1.800 0.225 0.257 0.300 0.360 0.450 0.600 0.900 1.800 3.600 5.400 7.200 9.000 10.800 12.600 14.400 16.200
T op 2.000 0.250 0.286 0.333 0.400 0.500 0.667 1.000 2.000 4.000 6.000 8.000 10.000 12.000 14.000 16.000 18.000

Bottom 3.500 0.438 0.500 0.583 0.700 0.875 1.167 1.750 3.500 7.000 10.500 14.000 17.500 21.000 24.500 28.000 31.500
T op 4.000 0.500 0.571 0.667 0.800 1.000 1.333 2.000 4.000 8.000 12.000 16.000 20.000 24.000 28.000 32.000 36.000

Bottom 7.000 0.875 1.000 1.167 1.400 1.750 2.333 3.500 7.000 14.000 21.000 28.000 35.000 42.000 49.000 56.000 63.000
T op 7.100 0.888 1.014 1.183 1.420 1.775 2.367 3.550 7.100 14.200 21.300 28.400 35.500 42.600 49.700 56.800 63.900

Bottom 10.100 1.263 1.443 1.683 2.020 2.525 3.367 5.050 10.100 20.200 30.300 40.400 50.500 60.600 70.700 80.800 90.900
T op 10.150 1.269 1.450 1.692 2.030 2.538 3.383 5.075 10.150 20.300 30.450 40.600 50.750 60.900 71.050 81.200 91.350

Bottom 14.000 1.750 2.000 2.333 2.800 3.500 4.667 7.000 14.000 28.000 42.000 56.000 70.000 84.000 98.000 112.000 126.000
T op 14.350 1.794 2.050 2.392 2.870 3.588 4.783 7.175 14.350 28.700 43.050 57.400 71.750 86.100 100.450 114.800 129.150

Bottom 18.068 2.259 2.581 3.011 3.614 4.517 6.023 9.034 18.068 36.136 54.204 72.272 90.340 108.408 126.476 144.544 162.612
T op 18.168 2.271 2.595 3.028 3.634 4.542 6.056 9.084 18.168 36.336 54.504 72.672 90.840 109.008 127.176 145.344 163.512

Bottom 21.000 2.625 3.000 3.500 4.200 5.250 7.000 10.500 21.000 42.000 63.000 84.000 105.000 126.000
T op 21.450 2.681 3.064 3.575 4.290 5.363 7.150 10.725 21.450 42.900 64.350 85.800 107.250 128.700

Bottom 24.890 3.111 3.556 4.148 4.978 6.223 8.297 12.445 24.890 49.780 74.670 99.560 124.450 149.340
T op 24.990 3.124 3.570 4.165 4.998 6.248 8.330 12.495 24.990 49.980 74.970 99.960 124.950 149.940

Bottom 28.000 3.500 4.000 4.667 5.600 7.000 9.333 14.000 28.000 56.000 84.000 112.000 140.000 168.000
T op 29.510 3.689 4.216 4.918 5.902 7.378 9.837 14.755 29.510 59.020 88.530 118.040 147.550 177.060

How to use these tables

Example The Fourth harmonic of transmissions made within the 20 meters band will produce harmonics
within the range 56 Mhz to 57.4 Mhz

Example When intruder heard say on 14.290Mhz, look for harmonic that falls between bottom 14.000 Mhz
and top 14.350 Mhz read across the page and listen between the top and bottom frequencies shown
Repeat until found

Cells in light blue can be ignored for HF use. Also good to identify TVi interference

Goldfields DX Amateur Radio Group

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