List of Decca frequencies
This list of Decca frequencies indicates the frequencies of the main and secondary transmitters of the 63 possible Decca chains of the Decca navigation system , as well as the basic frequency of the respective Decca chain.
Frequencies of the main transmitter (in kHz; English master frequency ) | ||||||
---|---|---|---|---|---|---|
A. | B. | C. | D. | E. | F. | |
0 | 84,100 | 84.105 | 84.110 | 84.190 | 84.195 | 84,200 |
1 | 84.275 | 84.280 | 84.285 | 84.365 | 84,370 | 84.375 |
2 | 84.455 | 84,460 | 84.465 | 84.545 | 84,550 | 84.555 |
3 | 84.640 | 84.645 | 84.650 | 84.730 | 84.735 | 84.740 |
4th | 84.820 | 84.825 | 84.830 | 84.910 | 84.915 | 84,920 |
5 | 84.995 | 85,000 | 85.005 | 85.085 | 85.090 | 85.095 |
6th | 85.175 | 85.180 | 85.185 | 85.265 | 85.270 | 85.275 |
7th | 85,360 | 85.365 | 85,370 | 85,450 | 85.455 | 85,460 |
8th | 85.540 | 85.545 | 85,550 | 85.630 | 85.635 | 85.640 |
9 | 85.715 | 85.720 | 85.725 | 85,805 | 85.810 | 85.815 |
10 | 85.895 | 85,900 | 85.905 | N / A | N / A | N / A |
Example: the main transmitter of the "English chain" (5B) transmits at 85,000 kHz (field with a yellow background).
In each column the frequency increases by 180 Hz (+/- 5 Hz) per line. In each row, the frequency increases by 5 Hz per column, but the frequency increases by 80 Hz between columns C and D. There are a total of 63 different frequencies for the main channels. Decca chains that are far apart and therefore cannot be received at the same time can use the same frequency.
Frequency map of the Decca navigation system (in kHz) | ||||||
---|---|---|---|---|---|---|
Identifier | Base frequency 1f |
Purple 6f |
Master 6f |
Red 8f |
Orange 8,2f |
Green 9f |
0A | 14.01667 | 70.0833 | 84.1000 | 112.1333 | 114.9367 | 126.1500 |
0B | 14.01750 | 70.0875 | 84.1050 | 112.1400 | 114.9435 | 126.1575 |
0C | 14.01833 | 70.0917 | 84.1100 | 112.1467 | 114.9503 | 126.1650 |
0D | 14.03167 | 70.1583 | 84.1900 | 112.2533 | 115.0597 | 126.2850 |
0E | 14.03250 | 70.1625 | 84.1950 | 112.2600 | 115.0665 | 126.2925 |
0F | 14.03333 | 70.1667 | 84.2000 | 112.2667 | 115.0733 | 126.3000 |
1A | 14.04583 | 70.2292 | 84.2750 | 112.3667 | 115.1758 | 126.4125 |
1B | 14.04667 | 70.2333 | 84.2800 | 112.3733 | 115.1827 | 126.4200 |
1C | 14.04750 | 70.2375 | 84.2850 | 112.3800 | 115.1895 | 126.4275 |
1D | 14.06083 | 70,3042 | 84.3650 | 112.4867 | 115.2988 | 126.5475 |
1E | 14.06167 | 70,3083 | 84.3700 | 112.4933 | 115,3057 | 126.5550 |
1F | 14.06250 | 70.3125 | 84.3750 | 112.5000 | 115.3125 | 126.5625 |
2A | 14.07583 | 70.3792 | 84.4550 | 112,6067 | 115.4218 | 126.6825 |
2 B | 14.07667 | 70.3833 | 84.4600 | 112.6133 | 115.4287 | 126.6900 |
2C | 14.07750 | 70.3875 | 84.4650 | 112.6200 | 115.4355 | 126.6975 |
2D | 14.09083 | 70.4542 | 84.5450 | 112.7267 | 115.5448 | 126.8175 |
2E | 14.09167 | 70.4583 | 84.5500 | 112.7333 | 115.5517 | 126.8250 |
2F | 14.09250 | 70.4625 | 84.5550 | 112.7400 | 115.5585 | 126.8325 |
Identifier | Base frequency 1f |
Purple 6f |
Master 6f |
Red 8f |
Orange 8,2f |
Green 9f |
3A | 14.10667 | 70.5333 | 84.6400 | 112.8533 | 115.6747 | 126.9600 |
3B | 14.10750 | 70.5375 | 84.6450 | 112.8600 | 115.6815 | 126.9675 |
3C | 14.10833 | 70.5417 | 84.6500 | 112.8667 | 115.6883 | 126.9750 |
3D | 14.12167 | 70,6083 | 84.7300 | 112.9733 | 115.7977 | 127.0950 |
3E | 14.12250 | 70.6125 | 84.7350 | 112.9800 | 115.8045 | 127.1025 |
3F | 14,12333 | 70.6167 | 84.7400 | 112.9867 | 115.8113 | 127.1100 |
4A | 14,13667 | 70.6833 | 84.8200 | 113.0933 | 115.9207 | 127.2300 |
4B | 14.13750 | 70.6875 | 84.8250 | 113.1000 | 115.9275 | 127.2375 |
4C | 14,13833 | 70.6917 | 84.8300 | 113.1067 | 115.9343 | 127.2450 |
4D | 14.15167 | 70.7583 | 84.9100 | 113.2133 | 115.9343 | 127.3650 |
4E | 14,15250 | 70.7625 | 84.9150 | 113.2200 | 116.4751 | 127.3725 |
4F | 14,15333 | 70.7667 | 84.9200 | 113.2267 | 116.0573 | 127.3800 |
5A | 14.16583 | 70.8292 | 84.9950 | 113.3267 | 116.1598 | 127.4925 |
5B | 14,16667 | 70.8333 | 85.0000 | 113.3267 | 116.1667 | 127.5000 |
5C | 14,16750 | 70.8375 | 85.0050 | 113.3400 | 116.1735 | 127.5075 |
5D | 14,18083 | 70.9042 | 85.0850 | 113.4467 | 116.2828 | 127.6275 |
5E | 14.18167 | 70.9083 | 85.0900 | 113.4533 | 116.2897 | 127.6350 |
5F | 14,18250 | 70.9125 | 85.0950 | 113.4600 | 116.2965 | 127.6425 |
Identifier | Base frequency 1f |
Purple 6f |
Master 6f |
Red 8f |
Orange 8,2f |
Green 9f |
6A | 14,19583 | 70.9792 | 85.1750 | 113.5667 | 116,4058 | 127.7625 |
6B | 14,19667 | 70.9833 | 85.1800 | 113.5733 | 116.4127 | 127.7700 |
6C | 14,19750 | 70.9875 | 85.1850 | 113.5800 | 116.4195 | 127.7775 |
6D | 14.21083 | 71.0542 | 85.2650 | 113.6867 | 116.5288 | 127.7775 |
6E | 14.21167 | 71.0583 | 85.2700 | 113.6933 | 116.5357 | 127.9050 |
6F | 14.21250 | 71.0625 | 85.2750 | 113.7000 | 116.5425 | 127.9125 |
7A | 14.22667 | 71.1333 | 85.3600 | 113.8133 | 116.6587 | 128.0400 |
7B | 14.22750 | 71.1375 | 85.3650 | 113.8200 | 116.6655 | 128.0475 |
7C | 14.22833 | 71.1417 | 85.3700 | 113.8267 | 116.6723 | 128.0550 |
7D | 14.24167 | 71.2083 | 85.4500 | 113.9333 | 116.7817 | 128.0550 |
7E | 14.24250 | 71.2125 | 85.4550 | 113.9400 | 116.7885 | 128.1750 |
7F | 14.24333 | 71.2167 | 85.4600 | 113.9467 | 116.7953 | 128.1900 |
8A | 14.25667 | 71.2833 | 85.5400 | 114.0533 | 116.9047 | 128.3100 |
Identifier | Base frequency 1f |
Purple 6f |
Master 6f |
Red 8f |
Orange 8,2f |
Green 9f |
8B | 14.25750 | 71.2875 | 85.5450 | 114.0600 | 116.9115 | 128.3175 |
8C | 14.25833 | 71.2917 | 85.5500 | 114.0667 | 116.9183 | 128.3250 |
8D | 14.27167 | 71.3583 | 85.6300 | 114.1733 | 117.0277 | 128.4450 |
8E | 14.27250 | 71.3625 | 85.6350 | 114.1800 | 117.0345 | 128.4525 |
8F | 14.27333 | 71.3667 | 85.6400 | 114.1867 | 117.0413 | 128.4600 |
9A | 14.28583 | 71.4292 | 85.7150 | 114.2867 | 117.1438 | 128.5725 |
9B | 14.28667 | 71.4333 | 85.7200 | 114.2933 | 117.1507 | 128.5800 |
9C | 14.28750 | 71.4375 | 85.7250 | 114.3000 | 117.1575 | 128.5875 |
9D | 14,30083 | 71.5042 | 85.8050 | 114.4067 | 117.2668 | 128.7075 |
9E | 14.30167 | 71.5083 | 85.8100 | 114.4133 | 117.2737 | 128.7150 |
9F | 14.30250 | 71.5125 | 85.8150 | 114.4200 | 117.2805 | 128.7225 |
10A | 14.31583 | 71.5792 | 85.8950 | 114.5267 | 117.3898 | 128.8425 |
10B | 14.31667 | 71.5833 | 85.9000 | 114.5333 | 117.3967 | 128.8500 |
10C | 14.31750 | 71.5875 | 85.9050 | 114.5400 | 117.4035 | 128.8575 |
10D | N / A | N / A | N / A | N / A | N / A | N / A |
10E | N / A | N / A | N / A | N / A | N / A | N / A |
10F | N / A | N / A | N / A | N / A | N / A | N / A |