diff options
author | Andreas Eversberg <jolly@eversberg.eu> | 2017-09-03 19:13:36 +0200 |
---|---|---|
committer | Andreas Eversberg <jolly@eversberg.eu> | 2017-09-03 19:13:36 +0200 |
commit | c6875ea41233090cd244d32e12855db7f58a6689 (patch) | |
tree | f2f1c61a998ec9beb3cb258880eeb7f85f053c49 /docs | |
parent | d28a5df024cc864edcedb4ac84c283938711146e (diff) |
work on docs
Diffstat (limited to 'docs')
-rw-r--r-- | docs/index.html | 4 | ||||
-rw-r--r-- | docs/nmt.html | 14 | ||||
-rw-r--r-- | docs/sdr.html | 40 | ||||
-rw-r--r-- | docs/tacs.html | 4 |
4 files changed, 57 insertions, 5 deletions
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: <li><a href="a-netz.html">A-Netz</a> (Germany)</li> <li><a href="b-netz.html">B-Netz</a> (Germany) ATF-1 (Netherlands)</li> <li><a href="c-netz.html">C-Netz</a> (Germany)</li> - <li><a href="nmt.html">NMT - Nordic Mobile Telephone</a> (Scandinavia)</li> + <li><a href="nmt.html">NMT 450 / 900 - Nordic Mobile Telephone</a> (Scandinavia)</li> <li><a href="amps.html">AMPS - Advanced Mobile Phone Service</a> (USA)</li> - <li><a href="tacs.html">TACS - Total Access Communication System</a> (UK/Italy)</li> + <li><a href="tacs.html">TACS / JTACS - Total Access Communication System</a> (UK/Italy/Japan)</li> <li><a href="radiocom2000.html">Radiocom 2000</a> (France)</li> </ul> </center> 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) </pre> +<pre> + +# 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) +... + +</pre> + + <p> 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 </p> <p> +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. </p> +<p> +Example: C-Netz<br> +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). +</p> + +<pre> + +# 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 + +</pre> + +<p> +Example: Test TV signal<br> +Give PAL 'FUBK' test image on TV channel 21. +</p> + +<pre> + +# osmotv --sdr-soapy \ + --sdr-tx-gain 60 \ + --sdr-tune-args "OFFSET=-3000000" \ + -r 13750000 \ + -c 21 \ + tx-fubk + +</pre> + <hr><center>[<a href="index.html">Back to main page</a>]</center><hr> </td></tr></table></center> </body> 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 </ul> <p> -TACS is the UK version of the AMPS. +(J)TACS is the UK and Japanese version of the AMPS. There are three major differences: </p> @@ -42,7 +42,7 @@ There are three major differences: </ul> <p> -Refer to <a href="amps.html">AMPS</a> documentation, but use executable 'tacs' instead of 'amps'. +Refer to <a href="amps.html">AMPS</a> documentation, but use executable 'tacs' or 'jtacs' instead of 'amps'. </p> <hr><center>[<a href="index.html">Back to main page</a>]</center><hr> |