aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorAndreas Eversberg <jolly@eversberg.eu>2017-09-03 19:13:36 +0200
committerAndreas Eversberg <jolly@eversberg.eu>2017-09-03 19:13:36 +0200
commitc6875ea41233090cd244d32e12855db7f58a6689 (patch)
treef2f1c61a998ec9beb3cb258880eeb7f85f053c49
parentd28a5df024cc864edcedb4ac84c283938711146e (diff)
work on docs
-rw-r--r--docs/index.html4
-rw-r--r--docs/nmt.html14
-rw-r--r--docs/sdr.html40
-rw-r--r--docs/tacs.html4
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>