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 * Worldwide channel/frequency list
 * Nathan Laredo (laredo@broked.net)
 * Frequencies are given in kHz 
/* NICAM 728 32-kHz, 14-bit digital stereo audio is transmitted in 1ms frames
   containing 8 bits frame sync, 5 bits control, 11 bits additional data, and
   704 bits audio data.  The bit rate is reduced by transmitting only 10 bits
   plus parity of each 14 bit sample, the largest sample in a frame determines
   which 10 bits are transmitted.  The parity bits for audio samples also 
   specify the scaling factor used for that channel during that frame.  The
   companeded audio data is interleaved to reduce the influence of dropouts
   and the whole frame except for sync bits is scrambled for spectrum shaping.
   Data is modulated using QPSK, at below following subcarrier freqs */

   (M) NTSC used in:
      Antigua, Aruba, Bahamas, Barbados, Belize, Bermuda, Bolivia, Burma,
      Canada, Chile, Colombia, Costa Rica, Cuba, Curacao, Dominican Republic,
      Ecuador, El Salvador, Guam Guatemala, Honduras, Jamaica, Japan,
      South Korea, Mexico, Montserrat, Myanmar, Nicaragua, Panama, Peru,
      Philippines, Puerto Rico, St Christopher and Nevis, Samoa, Suriname,
      Taiwan, Trinidad/Tobago, United States, Venezuela, Virgin Islands
   (B) PAL used in:
      Albania, Algeria, Australia, Austria, Bahrain, Bangladesh, Belgium,
      Bosnia-Herzegovinia, Brunei Darussalam, Cambodia, Cameroon, Croatia,
      Cyprus, Denmark, Egypt, Ethiopia, Equatorial Guinea, Finland, Germany,
      Ghana, Gibraltar, Greenland, Iceland, India, Indonesia, Israel, Italy,
      Jordan, Kenya, Kuwait, Liberia, Libya, Luxembourg, Malaysa, Maldives,
      Malta, Nepal, Netherlands, New Zeland, Nigeria, Norway, Oman, Pakistan,
      Papua New Guinea, Portugal, Qatar, Sao Tome and Principe, Saudi Arabia,
      Seychelles, Sierra Leone, Singapore, Slovenia, Somali, Spain,
      Sri Lanka, Sudan, Swaziland, Sweden, Switzeland, Syria, Thailand,
      Tunisia, Turkey, Uganda, United Arab Emirates, Yemen
   (N) PAL used in: (Combination N = 4.5MHz audio carrier, 3.58MHz burst)
      Argentina (Combination N), Paraguay, Uruguay
   (M) PAL (525/60, 3.57MHz burst) used in:
   (G) PAL used in:
      Albania, Algeria, Austria, Bahrain, Bosnia/Herzegovinia, Cambodia,
      Cameroon, Croatia, Cyprus, Denmark, Egypt, Ethiopia, Equatorial Guinea,
      Finland, Germany, Gibraltar, Greenland, Iceland, Israel, Italy, Jordan,
      Kenya, Kuwait, Liberia, Libya, Luxembourg, Malaysia, Monaco,
      Mozambique, Netherlands, New Zealand, Norway, Oman, Pakistan,
      Papa New Guinea, Portugal, Qatar, Romania, Sierra Leone, Singapore,
      Slovenia, Somalia, Spain, Sri Lanka, Sudan, Swaziland, Sweeden,
      Switzerland, Syria, Thailand, Tunisia, Turkey, United Arab Emirates,
      Yemen, Zambia, Zimbabwe
   (D) PAL used in:
      China, North Korea, Romania, Czech Republic
   (H) PAL used in:
   (I) PAL used in:
      Angola, Botswana, Gambia, Guinea-Bissau, Hong Kong, Ireland, Lesotho,
      Malawi, Nambia, Nigeria, South Africa, Tanzania, United Kingdom,
   (B) SECAM used in:
      Djibouti, Greece, Iran, Iraq, Lebanon, Mali, Mauritania, Mauritus,
   (D) SECAM used in:
      Afghanistan, Armenia, Azerbaijan, Belarus, Bulgaria,
      Estonia, Georgia, Hungary, Zazakhstan, Lithuania, Mongolia, Moldova,
      Russia, Slovak Republic, Ukraine, Vietnam
   (G) SECAM used in:
      Greecem Iran, Iraq, Mali, Mauritus, Morocco, Saudi Arabia
   (K) SECAM used in:
      Armenia, Azerbaijan, Bulgaria, Estonia, Georgia,
      Hungary, Kazakhstan, Lithuania, Madagascar, Moldova, Poland, Russia,
      Slovak Republic, Ukraine, Vietnam
   (K1) SECAM used in:
      Benin, Burkina Faso, Burundi, Chad, Cape Verde, Central African
      Republic, Comoros, Congo, Gabon, Madagascar, Niger, Rwanda, Senegal,
      Togo, Zaire
   (L) SECAM used in:

/* --------------------------------------------------------------------- */

struct CHANLIST {
    char          *name;
    unsigned int  freq;

struct CHANLISTS {
    char             *name;
    char             *filename;
    struct CHANLIST  *list;
    int               count;

/* --------------------------------------------------------------------- */

extern int                chantab;
extern struct CHANLISTS   *chanlists;
extern struct STRTAB      *chanlist_names;

#define chanlist   ((-1 != chantab) ? chanlists[chantab].list  : NULL)
#define chancount  ((-1 != chantab) ? chanlists[chantab].count : 0)

/* --------------------------------------------------------------------- */

void freq_init(void);
void freq_newtab(int n);

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