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smbunn

107 posts

Master Geek


#21305 22-Apr-2008 15:30
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Does anyone know of a signal strength indicator software tool to run on a PC to show the results for DVB-T channels?  I saw that there is some software for "blackgold" cards that do this. I wanted something I could run on my Nova-T-500 and see both signal strength and quality.  Would make setting up my aerial a lot easier.

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scottjpalmer
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  #125597 22-Apr-2008 16:30
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The general word amongst the gurus is that every driver does signal strength and quality differently so it is hard for an app to cater to all the different scales.

But yes it would be handy!

smbunn

107 posts

Master Geek


  #125607 22-Apr-2008 17:09
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I found one eventually.  Dos based and all command line but does seem to work.  It's at
http://nate.dynalias.net/ScanChannelsBDA/ScanChannelsBDA.html#SC2007

Run it and add channels (using option 1) as follows
538000
then at the next prompt enter "8" Mbs
press 1 to add channel again
570000
8 Mbs again
press 1 to add channel again
666000
8 Mbs

These are the channels for Waitara, you can easily enter your local channels from the sticky topic "NZ Freeview HD Guide" in this forum.

Then run option 2 "Generate Channels.ini"


I got a resulting output on screen;

# locked 538000, 8 signal locked = Y present = Y stength = 51 quality = -100

Network_1("Freeview Limited", 0, 8, 1)
#Alternate frequencies
#Network_1("Freeview Limited", 538000, 8, 1)
#Network_1("Freeview Limited", 530000, 8, 1)

# locked 570000, 8 signal locked = Y present = Y stength = 62 quality = 10

Network_2("Freeview Limited", 0, 8, 1)
#Alternate frequencies
#Network_2("Freeview Limited", 570000, 8, 1)
#Network_2("Freeview Limited", 562000, 8, 1)
#Network_2("Freeview Limited", 690000, 8, 1)
#Network_2("Freeview Limited", 714000, 8, 1)
#Network_2("Freeview Limited", 554000, 8, 1)
#Network_2("Freeview Limited", 706000, 8, 1)
#Network_2("Freeview Limited", 730000, 8, 1)
#Network_2("Freeview Limited", 698000, 8, 1)
#Network_2("Freeview Limited", 666000, 8, 1)

# locked 666000, 8 signal locked = Y present = Y stength = 58 quality = 10

Network_3("Freeview Limited", 0, 8, 1)
#Alternate frequencies
#Network_3("Freeview Limited", 666000, 8, 1)
#Network_3("Freeview Limited", 626000, 8, 1)
#Network_3("Freeview Limited", 706000, 8, 1)
#Network_3("Freeview Limited", 682000, 8, 1)
#Network_3("Freeview Limited", 642000, 8, 1)
#Network_3("Freeview Limited", 650000, 8, 1)
#Network_3("Freeview Limited", 778000, 8, 1)
#Network_3("Freeview Limited", 762000, 8, 1)
#Network_3("Freeview Limited", 730000, 8, 1)
  Program_ 1("Radio NZ National"   , 2000,    0,   620,  220)    # LCN=50
  Program_ 2("Radio NZ Concert"    , 2001,    0,   621,  221)    # LCN=51

If you use Option 4 you can enter a specific frequency, like 538,000 above and the * Mbs bandwidth and then see it displaying signal quality and strength as a new line every second.  You can watch this as you adjust your antenna, boosters etc and see the effect in real time.

I noticed it starts at about quality 10 and then goes to 40, then 60 and holds there.  Seems it takes a second or two for the Nova T to lock in on a frequency.

So clunky but it works!


 
 
 
 


argo
87 posts

Master Geek


  #125949 23-Apr-2008 19:17
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Pretty sure this is a different program -

Description:  http://www.hauppauge.co.uk/board/showthread.php?t=12079
Download:   http://www.wintvcd.co.uk/tools/ScanChannelsBDA_UK.exe

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