diff --git a/docs/index.html b/docs/index.html index bf99d87..b8a2c12 100644 --- a/docs/index.html +++ b/docs/index.html @@ -74,9 +74,9 @@ Implemented networks:
  • A-Netz (Germany)
  • B-Netz (Germany) ATF-1 (Netherlands)
  • C-Netz (Germany)
    • -
  • NMT - Nordic Mobile Telephone (Scandinavia)
    • +
  • NMT 450 / 900 - Nordic Mobile Telephone (Scandinavia)
  • AMPS - Advanced Mobile Phone Service (USA)
    • -
  • TACS - Total Access Communication System (UK/Italy)
    • +
  • TACS / JTACS - Total Access Communication System (UK/Italy/Japan)
  • Radiocom 2000 (France)
    • diff --git a/docs/nmt.html b/docs/nmt.html index a4de8b5..caaf57d 100644 --- a/docs/nmt.html +++ b/docs/nmt.html @@ -560,6 +560,20 @@ FI,1 FI,9 81..89 1-399 Finland (Telecom Finland) +
    +
+# nmt -N 900 -Y list
+TA from TA to   YY Code Channels        Short   Country (Provider)
+--------------------------------------------------------------------------------
+DK,1    DK,9    11..19  1-2023          Denmark (Tele Danmark Mobile)
+SE,1    SE,9    21..29  1-2023          Sweden (Telia Mobitel)
+NO,1    NO,9    31..39  1-2023          Norway (Telenor Mobil)
+FI,1    FI,9    41..49  1-2023          Finland (Telecom Finland)
+...
+
+
    + +

    In this example we select 'Sweden'. You must set you phone to network 'Sweden' or 'SE'. diff --git a/docs/sdr.html b/docs/sdr.html index 02bf3c7..0edca4e 100644 --- a/docs/sdr.html +++ b/docs/sdr.html @@ -146,6 +146,7 @@ Multiple Channels

    +Multiple channels can be useful, to keep the control channel, while establishing one or even multiple voice channels. One nice things about SDR is that a spectrum is transmitted and not just one modulated carrier. Because the carrier is actually generated in software, we can generate multiple carriers that fit in our bandwidth. I suggest to have at least one channel space between channels you want to generate. @@ -158,9 +159,46 @@ In this case increase the sample rate (-s) to generate a wider spectrum. (--sdr- Note that the CPU usage increases for the main thread. I suggest to monitor the usage using "top -H". You will see each thread. Be sure not to get too close to 100 percent. -I suggest to stay below 50%, at least for all threads. +I suggest to stay below 60% for each threads.

    +

    +Example: C-Netz
    +Two channes are created, one the OgK (control channel) and one SpK (speech channel). +The distance between channels is 20 KHz (two channels). +Because C-Netz uses only odd channel numbers for 10 KHz spacing, we use channel 131 (OgK) and 135 (SpK). +

    + +
    +
+# cnetz --sdr-soapy \
+        --sdr-rx-gain 50 \
+	--sdr-tx-gain 30 \
+        --sdr-bandwidth 5000000 \
+        --sdr-samplerate 5000000 \
+        --sdr-tune-args "OFFSET=1000000" \
+	-s 100000 \
+	-k 131 -k 135 \
+	-C 0,0
+
+
    + +

    +Example: Test TV signal
    +Give PAL 'FUBK' test image on TV channel 21. +

    + +
    +
+# osmotv --sdr-soapy \
+         --sdr-tx-gain 60 \
+	 --sdr-tune-args "OFFSET=-3000000" \
+	 -r 13750000  \
+	 -c 21  \
+	 tx-fubk
+
+
    +
    [Back to main page]
    diff --git a/docs/tacs.html b/docs/tacs.html index 5ec84c2..6d0d5bc 100644 --- a/docs/tacs.html +++ b/docs/tacs.html @@ -31,7 +31,7 @@ Total Access Communication System (TACS) and ETACS are mostly-obsolete variants

    -TACS is the UK version of the AMPS. +(J)TACS is the UK and Japanese version of the AMPS. There are three major differences:

    @@ -42,7 +42,7 @@ There are three major differences:

    -Refer to AMPS documentation, but use executable 'tacs' instead of 'amps'. +Refer to AMPS documentation, but use executable 'tacs' or 'jtacs' instead of 'amps'.

    [Back to main page]