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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Varicode</span></h1>
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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="de" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><p><b>Varicode</b> ist eine <a href="Entropiekodierung" title="Entropiekodierung">Entropiekodierung</a>, das heißt, der Kode <a href="Buchstabenh%C3%A4ufigkeit" title="Buchstabenhäufigkeit">häufig vorkommender Zeichen</a> ist kürzer als bei selteneren Zeichen – ähnlich dem <a href="Morsecode" title="Morsecode">Morsecode</a>. Dadurch erhöht sich der Datendurchsatz. Varicode wird primär zur Datenübertragung auf <a href="Kurzwelle" title="Kurzwelle">Kurzwelle</a> mit dem Modus <a href="PSK31" title="PSK31">PSK31</a> im <a href="Amateurfunkdienst" title="Amateurfunkdienst">Amateurfunkdienst</a> verwendet. Varicode wurde 1997 von Peter Martinez (G3PLX) entwickelt, um Text effizienter zu übertragen. Varicode wurde von der <a href="ITU-R" title="ITU-R">Funkkommunikationssparte</a> der <a href="Internationale_Fernmeldeunion" title="Internationale Fernmeldeunion">Internationalen Fernmeldeunion (ITU)</a> standardisiert.
</p>

<div class="mw-heading mw-heading2"><h2 id="Varianten">Varianten</h2></div>
<p>Ursprünglich wurde nur ASCII unterstützt, deutsche Umlaute waren z.&nbsp;B. nicht darstellbar. 1998 verwendeten erste Programme den 8-Bit-Code <a href="ISO_8859-1" title="ISO 8859-1">ISO 8859-1</a>, wobei die neuen 128 Zeichen der Reihe nach aus dem Standard übernommen und nicht nach der Häufigkeit sortiert wurden. Mittlerweile unterstützen fast alle Programme zur (De-)Modulation von PSK31 / PSK63 256 Zeichen (8 Bit). Die digitale Betriebsart PSK31 und die schnellere Variante <a href="PSK63" class="mw-redirect" title="PSK63">PSK63</a> verwenden zur Kompression der Nachrichten Varicode.
</p>
<div class="mw-heading mw-heading2"><h2 id="Aufbau">Aufbau</h2></div>
<p>Da die Kodes nur aus 0 und 1 bestehen, handelt es sich um einen <a href="Bin%C3%A4rcode" title="Binärcode">Binärcode</a>. Um die <a href="Fano-Bedingung" title="Fano-Bedingung">Fano-Bedingung</a> zu erfüllen, wurden drei Regeln aufgestellt.
</p>
<ul><li>Nach jeder Nachricht folgt „00“ als Trennzeichen.</li>
<li>„00“ kommt in keiner Nachricht vor.</li>
<li>Jede Nachricht beginnt mit einer „1“ und endet mit einer „1“.</li></ul>
<p>Nach diesen Regeln wurden den häufigsten <a href="ASCII" class="mw-redirect" title="ASCII">ASCII</a>-Zeichen die kürzesten Kodes zugewiesen. Beginnend mit dem Leerzeichen, wobei die 1 vom Start und Ende zusammenfällt. Danach folgen „e“ (11), „o“ (111), „t“ (101) und hauptsächlich Kleinbuchstaben, anschließend Großbuchstaben, Zahlen, Sonder- und Steuerzeichen. Im Folgenden sind die primären Kodierungstabellen zusammengestellt:
</p>
<table class="wikitable" style="text-align: center">

<tbody><tr>
<th>Varicode</th>
<th>Oct</th>
<th>Dec</th>
<th>Hex</th>
<th>Abkürzung</th>
<th>Beschreibung
</th></tr>
<tr>
<td>1010101011</td>
<td>000</td>
<td>0</td>
<td>00</td>
<td>NUL</td>
<td>Null character
</td></tr>
<tr>
<td>1011011011</td>
<td>001</td>
<td>1</td>
<td>01</td>
<td>SOH</td>
<td>Start of Header
</td></tr>
<tr>
<td>1011101101</td>
<td>002</td>
<td>2</td>
<td>02</td>
<td>STX</td>
<td>Start of Text
</td></tr>
<tr>
<td>1101110111</td>
<td>003</td>
<td>3</td>
<td>03</td>
<td>ETX</td>
<td>End of Text
</td></tr>
<tr>
<td>1011101011</td>
<td>004</td>
<td>4</td>
<td>04</td>
<td>EOT</td>
<td>End of Transmission
</td></tr>
<tr>
<td>1101011111</td>
<td>005</td>
<td>5</td>
<td>05</td>
<td>ENQ</td>
<td>Enquiry
</td></tr>
<tr>
<td>1011101111</td>
<td>006</td>
<td>6</td>
<td>06</td>
<td>ACK</td>
<td>Acknowledgment
</td></tr>
<tr>
<td>1011111101</td>
<td>007</td>
<td>7</td>
<td>07</td>
<td>BEL</td>
<td>Bell
</td></tr>
<tr>
<td>1011111111</td>
<td>010</td>
<td>8</td>
<td>08</td>
<td>BS</td>
<td>Backspace
</td></tr>
<tr>
<td>11101111</td>
<td>011</td>
<td>9</td>
<td>09</td>
<td>HT</td>
<td>Horizontal Tab
</td></tr>
<tr>
<td>11101</td>
<td>012</td>
<td>10</td>
<td>0A</td>
<td>LF</td>
<td>Line feed
</td></tr>
<tr>
<td>1101101111</td>
<td>013</td>
<td>11</td>
<td>0B</td>
<td>VT</td>
<td>Vertical Tab
</td></tr>
<tr>
<td>1011011101</td>
<td>014</td>
<td>12</td>
<td>0C</td>
<td>FF</td>
<td>Form feed
</td></tr>
<tr>
<td>11111</td>
<td>015</td>
<td>13</td>
<td>0D</td>
<td>CR</td>
<td>Carriage return
</td></tr>
<tr>
<td>1101110101</td>
<td>016</td>
<td>14</td>
<td>0E</td>
<td>SO</td>
<td>Shift Out
</td></tr>
<tr>
<td>1110101011</td>
<td>017</td>
<td>15</td>
<td>0F</td>
<td>SI</td>
<td>Shift In
</td></tr>
<tr>
<td>1011110111</td>
<td>020</td>
<td>16</td>
<td>10</td>
<td>DLE</td>
<td>Data Link Escape
</td></tr>
<tr>
<td>1011110101</td>
<td>021</td>
<td>17</td>
<td>11</td>
<td>DC1</td>
<td>Device Control 1 (XON)
</td></tr>
<tr>
<td>1110101101</td>
<td>022</td>
<td>18</td>
<td>12</td>
<td>DC2</td>
<td>Device Control 2
</td></tr>
<tr>
<td>1110101111</td>
<td>023</td>
<td>19</td>
<td>13</td>
<td>DC3</td>
<td>Device Control 3 (XOFF)
</td></tr>
<tr>
<td>1101011011</td>
<td>024</td>
<td>20</td>
<td>14</td>
<td>DC4</td>
<td>Device Control 4
</td></tr>
<tr>
<td>1101101011</td>
<td>025</td>
<td>21</td>
<td>15</td>
<td>NAK</td>
<td>Negative Acknowledgement
</td></tr>
<tr>
<td>1101101101</td>
<td>026</td>
<td>22</td>
<td>16</td>
<td>SYN</td>
<td>Synchronous Idle
</td></tr>
<tr>
<td>1101010111</td>
<td>027</td>
<td>23</td>
<td>17</td>
<td>ETB</td>
<td>End of Trans. Block
</td></tr>
<tr>
<td>1101111011</td>
<td>030</td>
<td>24</td>
<td>18</td>
<td>CAN</td>
<td>Cancel
</td></tr>
<tr>
<td>1101111101</td>
<td>031</td>
<td>25</td>
<td>19</td>
<td>EM</td>
<td>End of Medium
</td></tr>
<tr>
<td>1110110111</td>
<td>032</td>
<td>26</td>
<td>1A</td>
<td>SUB</td>
<td>Substitute
</td></tr>
<tr>
<td>1101010101</td>
<td>033</td>
<td>27</td>
<td>1B</td>
<td>ESC</td>
<td>Escape
</td></tr>
<tr>
<td>1101011101</td>
<td>034</td>
<td>28</td>
<td>1C</td>
<td>FS</td>
<td>File Separator
</td></tr>
<tr>
<td>1110111011</td>
<td>035</td>
<td>29</td>
<td>1D</td>
<td>GS</td>
<td>Group Separator
</td></tr>
<tr>
<td>1011111011</td>
<td>036</td>
<td>30</td>
<td>1E</td>
<td>RS</td>
<td>Record Separator
</td></tr>
<tr>
<td>1101111111</td>
<td>037</td>
<td>31</td>
<td>1F</td>
<td>US</td>
<td>Unit Separator
</td></tr>
<tr>
<td>1110110101</td>
<td>177</td>
<td>127</td>
<td>7F</td>
<td>DEL</td>
<td>Delete
</td></tr></tbody></table>
<div class="mw-heading mw-heading3"><h3 id="Darstellbare_Zeichen">Darstellbare Zeichen</h3></div>
<table>

<tbody><tr valign="top">
<td>
<table class="wikitable" style="text-align: center">

<tbody><tr>
<th>Varicode</th>
<th>Oktal</th>
<th>Dezimal</th>
<th>Hex</th>
<th>Zeichen
</th></tr>
<tr>
<td>1</td>
<td>040</td>
<td>32</td>
<td>20</td>
<td>SP
</td></tr>
<tr>
<td>111111111</td>
<td>041</td>
<td>33</td>
<td>21</td>
<td>!
</td></tr>
<tr>
<td>101011111</td>
<td>042</td>
<td>34</td>
<td>22</td>
<td>"
</td></tr>
<tr>
<td>111110101</td>
<td>043</td>
<td>35</td>
<td>23</td>
<td>#
</td></tr>
<tr>
<td>111011011</td>
<td>044</td>
<td>36</td>
<td>24</td>
<td>$
</td></tr>
<tr>
<td>1011010101</td>
<td>045</td>
<td>37</td>
<td>25</td>
<td>%
</td></tr>
<tr>
<td>1010111011</td>
<td>046</td>
<td>38</td>
<td>26</td>
<td>&amp;
</td></tr>
<tr>
<td>101111111</td>
<td>047</td>
<td>39</td>
<td>27</td>
<td>'
</td></tr>
<tr>
<td>11111011</td>
<td>050</td>
<td>40</td>
<td>28</td>
<td>(
</td></tr>
<tr>
<td>11110111</td>
<td>051</td>
<td>41</td>
<td>29</td>
<td>)
</td></tr>
<tr>
<td>101101111</td>
<td>052</td>
<td>42</td>
<td>2A</td>
<td>*
</td></tr>
<tr>
<td>111011111</td>
<td>053</td>
<td>43</td>
<td>2B</td>
<td>+
</td></tr>
<tr>
<td>1110101</td>
<td>054</td>
<td>44</td>
<td>2C</td>
<td>,
</td></tr>
<tr>
<td>110101</td>
<td>055</td>
<td>45</td>
<td>2D</td>
<td>-
</td></tr>
<tr>
<td>1010111</td>
<td>056</td>
<td>46</td>
<td>2E</td>
<td>.
</td></tr>
<tr>
<td>110101111</td>
<td>057</td>
<td>47</td>
<td>2F</td>
<td>/
</td></tr>
<tr>
<td>10110111</td>
<td>060</td>
<td>48</td>
<td>30</td>
<td>0
</td></tr>
<tr>
<td>10111101</td>
<td>061</td>
<td>49</td>
<td>31</td>
<td>1
</td></tr>
<tr>
<td>11101101</td>
<td>062</td>
<td>50</td>
<td>32</td>
<td>2
</td></tr>
<tr>
<td>11111111</td>
<td>063</td>
<td>51</td>
<td>33</td>
<td>3
</td></tr>
<tr>
<td>101110111</td>
<td>064</td>
<td>52</td>
<td>34</td>
<td>4
</td></tr>
<tr>
<td>101011011</td>
<td>065</td>
<td>53</td>
<td>35</td>
<td>5
</td></tr>
<tr>
<td>101101011</td>
<td>066</td>
<td>54</td>
<td>36</td>
<td>6
</td></tr>
<tr>
<td>110101101</td>
<td>067</td>
<td>55</td>
<td>37</td>
<td>7
</td></tr>
<tr>
<td>110101011</td>
<td>070</td>
<td>56</td>
<td>38</td>
<td>8
</td></tr>
<tr>
<td>110110111</td>
<td>071</td>
<td>57</td>
<td>39</td>
<td>9
</td></tr>
<tr>
<td>11110101</td>
<td>072</td>
<td>58</td>
<td>3A</td>
<td>:
</td></tr>
<tr>
<td>110111101</td>
<td>073</td>
<td>59</td>
<td>3B</td>
<td>;
</td></tr>
<tr>
<td>111101101</td>
<td>074</td>
<td>60</td>
<td>3C</td>
<td>&lt;
</td></tr>
<tr>
<td>1010101</td>
<td>075</td>
<td>61</td>
<td>3D</td>
<td>=
</td></tr>
<tr>
<td>111010111</td>
<td>076</td>
<td>62</td>
<td>3E</td>
<td>&gt;
</td></tr>
<tr>
<td>1010101111</td>
<td>077</td>
<td>63</td>
<td>3F</td>
<td>?
</td></tr></tbody></table>
</td>
<td>&nbsp;
</td>
<td>
<table class="wikitable" style="text-align: center">

<tbody><tr valign="bottom">
<th>Varicode</th>
<th>Oktal</th>
<th>Dezimal</th>
<th>Hex</th>
<th>Zeichen
</th></tr>
<tr>
<td>1010111101</td>
<td>100</td>
<td>64</td>
<td>40</td>
<td><a href="%40" class="mw-redirect" title="@">@</a>
</td></tr>
<tr>
<td>1111101</td>
<td>101</td>
<td>65</td>
<td>41</td>
<td><a href="A" title="A">A</a>
</td></tr>
<tr>
<td>11101011</td>
<td>102</td>
<td>66</td>
<td>42</td>
<td><a href="B" title="B">B</a>
</td></tr>
<tr>
<td>10101101</td>
<td>103</td>
<td>67</td>
<td>43</td>
<td><a href="C" title="C">C</a>
</td></tr>
<tr>
<td>10110101</td>
<td>104</td>
<td>68</td>
<td>44</td>
<td><a href="D" title="D">D</a>
</td></tr>
<tr>
<td>1110111</td>
<td>105</td>
<td>69</td>
<td>45</td>
<td><a href="E" title="E">E</a>
</td></tr>
<tr>
<td>11011011</td>
<td>106</td>
<td>70</td>
<td>46</td>
<td><a href="F" title="F">F</a>
</td></tr>
<tr>
<td>11111101</td>
<td>107</td>
<td>71</td>
<td>47</td>
<td><a href="G" title="G">G</a>
</td></tr>
<tr>
<td>101010101</td>
<td>110</td>
<td>72</td>
<td>48</td>
<td><a href="H" title="H">H</a>
</td></tr>
<tr>
<td>1111111</td>
<td>111</td>
<td>73</td>
<td>49</td>
<td><a href="I" title="I">I</a>
</td></tr>
<tr>
<td>111111101</td>
<td>112</td>
<td>74</td>
<td>4A</td>
<td><a href="J" title="J">J</a>
</td></tr>
<tr>
<td>101111101</td>
<td>113</td>
<td>75</td>
<td>4B</td>
<td><a href="K" title="K">K</a>
</td></tr>
<tr>
<td>11010111</td>
<td>114</td>
<td>76</td>
<td>4C</td>
<td><a href="L" title="L">L</a>
</td></tr>
<tr>
<td>10111011</td>
<td>115</td>
<td>77</td>
<td>4D</td>
<td><a href="M" title="M">M</a>
</td></tr>
<tr>
<td>11011101</td>
<td>116</td>
<td>78</td>
<td>4E</td>
<td><a href="N" title="N">N</a>
</td></tr>
<tr>
<td>10101011</td>
<td>117</td>
<td>79</td>
<td>4F</td>
<td><a href="O" title="O">O</a>
</td></tr>
<tr>
<td>11010101</td>
<td>120</td>
<td>80</td>
<td>50</td>
<td><a href="P" title="P">P</a>
</td></tr>
<tr>
<td>111011101</td>
<td>121</td>
<td>81</td>
<td>51</td>
<td><a href="Q" title="Q">Q</a>
</td></tr>
<tr>
<td>10101111</td>
<td>122</td>
<td>82</td>
<td>52</td>
<td><a href="R" title="R">R</a>
</td></tr>
<tr>
<td>1101111</td>
<td>123</td>
<td>83</td>
<td>53</td>
<td><a href="S" title="S">S</a>
</td></tr>
<tr>
<td>1101101</td>
<td>124</td>
<td>84</td>
<td>54</td>
<td><a href="T" title="T">T</a>
</td></tr>
<tr>
<td>101010111</td>
<td>125</td>
<td>85</td>
<td>55</td>
<td><a href="U" title="U">U</a>
</td></tr>
<tr>
<td>110110101</td>
<td>126</td>
<td>86</td>
<td>56</td>
<td><a href="V" title="V">V</a>
</td></tr>
<tr>
<td>101011101</td>
<td>127</td>
<td>87</td>
<td>57</td>
<td><a href="W" title="W">W</a>
</td></tr>
<tr>
<td>101110101</td>
<td>130</td>
<td>88</td>
<td>58</td>
<td><a href="X" title="X">X</a>
</td></tr>
<tr>
<td>101111011</td>
<td>131</td>
<td>89</td>
<td>59</td>
<td><a href="Y" title="Y">Y</a>
</td></tr>
<tr>
<td>1010101101</td>
<td>132</td>
<td>90</td>
<td>5A</td>
<td><a href="Z" title="Z">Z</a>
</td></tr>
<tr>
<td>111110111</td>
<td>133</td>
<td>91</td>
<td>5B</td>
<td>[
</td></tr>
<tr>
<td>111101111</td>
<td>134</td>
<td>92</td>
<td>5C</td>
<td>\
</td></tr>
<tr>
<td>111111011</td>
<td>135</td>
<td>93</td>
<td>5D</td>
<td>]
</td></tr>
<tr>
<td>1010111111</td>
<td>136</td>
<td>94</td>
<td>5E</td>
<td>^
</td></tr>
<tr>
<td>101101101</td>
<td>137</td>
<td>95</td>
<td>5F</td>
<td>_
</td></tr></tbody></table>
</td>
<td>&nbsp;
</td>
<td>
<table class="wikitable" style="text-align: center">

<tbody><tr valign="bottom">
<th>Varicode</th>
<th>Oktal</th>
<th>Dezimal</th>
<th>Hex</th>
<th>Zeichen
</th></tr>
<tr>
<td>1011011111</td>
<td>140</td>
<td>96</td>
<td>60</td>
<td>'
</td></tr>
<tr>
<td>1011</td>
<td>141</td>
<td>97</td>
<td>61</td>
<td><a href="A" title="A">a</a>
</td></tr>
<tr>
<td>1011111</td>
<td>142</td>
<td>98</td>
<td>62</td>
<td><a href="B" title="B">b</a>
</td></tr>
<tr>
<td>101111</td>
<td>143</td>
<td>99</td>
<td>63</td>
<td><a href="C" title="C">c</a>
</td></tr>
<tr>
<td>101101</td>
<td>144</td>
<td>100</td>
<td>64</td>
<td><a href="D" title="D">d</a>
</td></tr>
<tr>
<td>11</td>
<td>145</td>
<td>101</td>
<td>65</td>
<td><a href="E" title="E">e</a>
</td></tr>
<tr>
<td>111101</td>
<td>146</td>
<td>102</td>
<td>66</td>
<td><a href="F" title="F">f</a>
</td></tr>
<tr>
<td>1011011</td>
<td>147</td>
<td>103</td>
<td>67</td>
<td><a href="G" title="G">g</a>
</td></tr>
<tr>
<td>101011</td>
<td>150</td>
<td>104</td>
<td>68</td>
<td><a href="H" title="H">h</a>
</td></tr>
<tr>
<td>1101</td>
<td>151</td>
<td>105</td>
<td>69</td>
<td><a href="I" title="I">i</a>
</td></tr>
<tr>
<td>111101011</td>
<td>152</td>
<td>106</td>
<td>6A</td>
<td><a href="J" title="J">j</a>
</td></tr>
<tr>
<td>10111111</td>
<td>153</td>
<td>107</td>
<td>6B</td>
<td><a href="K" title="K">k</a>
</td></tr>
<tr>
<td>11011</td>
<td>154</td>
<td>108</td>
<td>6C</td>
<td><a href="L" title="L">l</a>
</td></tr>
<tr>
<td>111011</td>
<td>155</td>
<td>109</td>
<td>6D</td>
<td><a href="M" title="M">m</a>
</td></tr>
<tr>
<td>1111</td>
<td>156</td>
<td>110</td>
<td>6E</td>
<td><a href="N" title="N">n</a>
</td></tr>
<tr>
<td>111</td>
<td>157</td>
<td>111</td>
<td>6F</td>
<td><a href="O" title="O">o</a>
</td></tr>
<tr>
<td>111111</td>
<td>160</td>
<td>112</td>
<td>70</td>
<td><a href="P" title="P">p</a>
</td></tr>
<tr>
<td>110111111</td>
<td>161</td>
<td>113</td>
<td>71</td>
<td><a href="Q" title="Q">q</a>
</td></tr>
<tr>
<td>10101</td>
<td>162</td>
<td>114</td>
<td>72</td>
<td><a href="R" title="R">r</a>
</td></tr>
<tr>
<td>10111</td>
<td>163</td>
<td>115</td>
<td>73</td>
<td><a href="S" title="S">s</a>
</td></tr>
<tr>
<td>101</td>
<td>164</td>
<td>116</td>
<td>74</td>
<td><a href="T" title="T">t</a>
</td></tr>
<tr>
<td>110111</td>
<td>165</td>
<td>117</td>
<td>75</td>
<td><a href="U" title="U">u</a>
</td></tr>
<tr>
<td>1111011</td>
<td>166</td>
<td>118</td>
<td>76</td>
<td><a href="V" title="V">v</a>
</td></tr>
<tr>
<td>1101011</td>
<td>167</td>
<td>119</td>
<td>77</td>
<td><a href="W" title="W">w</a>
</td></tr>
<tr>
<td>11011111</td>
<td>170</td>
<td>120</td>
<td>78</td>
<td><a href="X" title="X">x</a>
</td></tr>
<tr>
<td>1011101</td>
<td>171</td>
<td>121</td>
<td>79</td>
<td><a href="Y" title="Y">y</a>
</td></tr>
<tr>
<td>111010101</td>
<td>172</td>
<td>122</td>
<td>7A</td>
<td><a href="Z" title="Z">z</a>
</td></tr>
<tr>
<td>1010110111</td>
<td>173</td>
<td>123</td>
<td>7B</td>
<td>{
</td></tr>
<tr>
<td>110111011</td>
<td>174</td>
<td>124</td>
<td>7C</td>
<td>|
</td></tr>
<tr>
<td>1010110101</td>
<td>175</td>
<td>125</td>
<td>7D</td>
<td>}
</td></tr>
<tr>
<td>1011010111</td>
<td>176</td>
<td>126</td>
<td>7E</td>
<td>~
</td></tr></tbody></table>
</td></tr></tbody></table>
<div class="mw-heading mw-heading3"><h3 id="Zeichenlängen"><span id="Zeichenl.C3.A4ngen"></span>Zeichenlängen</h3></div>
<p>Beginnend mit dem Ein-Bit-Code „1“ können gültige Varicode-Werte gebildet werden, indem einem kürzerer Code ein „1“ oder „10“ vorangestellt wird. Somit ist die Anzahl der Codes der Länge n gleich der Fibonacci-Zahl Fn. Bei der Übertragung sind die Codes aufgrund des abschließenden Trennzeichens mit „00“ um zwei Bit länger.
</p>
<table class="wikitable">
<caption>ASCII-Zeichen sortiert nach der Länge im Varicode
</caption>
<tbody><tr>
<th>Bits</th>
<th>Codes</th>
<th>ASCII-Zeichen
</th></tr>
<tr>
<td>1</td>
<td>1</td>
<td>SP
</td></tr>
<tr>
<td>2</td>
<td>1</td>
<td>e
</td></tr>
<tr>
<td>3</td>
<td>2</td>
<td>o t
</td></tr>
<tr>
<td>4</td>
<td>3</td>
<td>a i n
</td></tr>
<tr>
<td>5</td>
<td>5</td>
<td>LF CR l r s
</td></tr>
<tr>
<td>6</td>
<td>8</td>
<td>- c d f h m p u
</td></tr>
<tr>
<td>7</td>
<td>13</td>
<td>, . = A E I S T b g v w y
</td></tr>
<tr>
<td>8</td>
<td>21</td>
<td>HT ( ) 0 1 2 3&nbsp;: B C D F G L M N O P R k x
</td></tr>
<tr>
<td>9</td>
<td>34</td>
<td>! " # $ ' * + / 4 5 6 7 8 9&nbsp;; &lt; &gt; H J K Q U V W X Y [ \ ] _ j q z |
</td></tr>
<tr>
<td>10</td>
<td>40</td>
<td>NUL SOH STX ETX EOT ENQ ACK BEL BS VT FF SO SI DLE DC1 DC2 DC3 DC4 NAK SYN ETB CAN EOM SUB ESC FS GS RS US&nbsp;% &amp;&nbsp;? @ Z ^ ` { } ~ DEL
</td></tr></tbody></table>
<div class="mw-heading mw-heading2"><h2 id="Literatur">Literatur</h2></div>
<ul><li>Peter Hatzold: <i>Digitale Kommunikation über Funk</i>, Franzis, ISBN 3-7723-5154-9</li>
<li><cite style="font-style:italic">Telegraphic alphabet for data communication by phase shift keying at 31 Bd in the amateur and amateur-satellite service</cite>. In: International Telecommunication Union (Hrsg.): <cite style="font-style:italic">M Series -- Mobile, radiodetermination, amateur and related satellite services</cite>. Recommendation ITU-R M.2034, Februar 2013 (<a rel="nofollow" class="external text" href="https://www.itu.int/dms_pubrec/itu-r/rec/m/R-REC-M.2034-0-201302-I!!PDF-E.pdf">itu.int</a> [PDF; <span style="white-space:nowrap">1,4<span style="display:inline-block;width:.2em">&nbsp;</span>MB</span>; abgerufen am 19.&nbsp;Dezember 2024]).<span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rfr_id=info:sid/de.wikipedia.org:Varicode&amp;rft.atitle=Telegraphic+alphabet+for+data+communication+by+phase+shift+keying+at+31+Bd+in+the+amateur+and+amateur-satellite+service&amp;rft.date=2013-02&amp;rft.genre=journal&amp;rft.issue=Recommendation+ITU-R+M.2034&amp;rft.jtitle=M+Series+--+Mobile%2C+radiodetermination%2C+amateur+and+related+satellite+services" style="display:none">&nbsp;</span></li></ul>
<div class="mw-heading mw-heading2"><h2 id="Weblinks">Weblinks</h2></div>
<ul><li><a rel="nofollow" class="external text" href="http://bipt106.bi.ehu.es/psk31.html">Offizielle PSK31 Homepage</a> (englisch)</li></ul></div><!--htdig_noindex--><div><div class="zim-footer">
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