ZMT-620HD and Kordia channels from Kopu in Tauranga

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greminn

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Master Geek
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#20796 6-Apr-2008 09:26

(I posted this at the freeviewshop forum... but i thought that their might be some people here which might know whats going on as well...)

Hi There,

I have a Zinwell ZMT-650HD which is connected to our aerial pointed at Kopu in Tauranga. It auto scanned the TNVZ/TV3/C4 channels, but could not find the Kordia channels. So i did a manual scan and entered 42/64200/8/HIGH into the manual scan page.

The Signal Strength and Signal Quality levels are going up and down on this page every second as apposed to the other channels which have a solid signal quality near the top of the level. And when you hit scan it cant find the channels.

Note: I can see the EPG for all the channels.

Any idea what is going on here?

Thanks

Simon

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#121485 6-Apr-2008 11:45

Issue is most likely signal related - you've made no reference to antenna install (hopefully at least dual shielded RG6, F type outlets etc.) or quality of analog reception on UHF. DVB-T is quite sensitive to impulse noise so could be wise to remove any VHF aerial on circuit to eliminate a source.

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greminn

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#121499 6-Apr-2008 12:42

Spyware: Issue is most likely signal related - you've made no reference to antenna install (hopefully at least dual shielded RG6, F type outlets etc.) or quality of analog reception on UHF. DVB-T is quite sensitive to impulse noise so could be wise to remove any VHF aerial on circuit to eliminate a source.

Here is a pic of our antenna(s):

http://api.photoshop.com/home_96f3aa5400634066a242547aeb165fec/adobe-px-assets/4154e0c54fcf47059355e4b7f2a0de45

as far as good ol analogue reception goes (first time ive acually tuned it!)...

TV1 (Didnt tune))
TV2 (Didnt tune)
TV3 (OK)
C4 (Crappy)
Maori (Crappy)
Prime (Really crappy)

But FreeviewHD TVNZ and TV3 are working great

mentalinc

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#121504 6-Apr-2008 12:54

Try removing the 2 that dont have the X things in them

ie in that pic the top one and the above just above the dish keep the other one.

but based on your scans in sounds like you only just get reception.

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greminn

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#121516 6-Apr-2008 14:08

mentalinc: Try removing the 2 that dont have the X things in them

ie in that pic the top one and the above just above the dish keep the other one.

but based on your scans in sounds like you only just get reception.

I think that this is something todo with the antenna.. as it got twisted in a storm about 8 months ago. So i got a new one put in, but there was no way to check to see if it worked correctly as we were only using DBV-S at the time.

I think that i will get the installer guy back to tune it up... as we have very clear line of sight of Kopu, its only about 10-15kms across the water... You can see Kopu in the very middle of the pic:

Spyware

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#121527 6-Apr-2008 15:14

Notes of interest for real geeks:

Kopukairua digital transmitters effective radiating power running at 28 dBW (600W), compared to analog Discovery/Trackside and Prime running at 32 dBW (1500W).

Sugarloaf (Christchurch) digital transmitters operate at 47 dBW (50 kW) with Sky/Prime's analog on 64 dBW (2.5 MW). CTV operate on 44 dBW (25 kW).

andrewcnz

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#121539 6-Apr-2008 16:10

The kordia channels are not running on Kopukairua (42v).

Looking at the signal meters on the box both strength and quality flash on and off(half way on the bar when on).Other channels are fine.

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greminn

181 posts

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#121540 6-Apr-2008 16:16

andrewcnz: The kordia channels are not running on Kopukairua (42v).
Looking at the signal meters on the box both strength and quality flash on and off(half way on the bar when on).Other channels are fine.

Hi andrewcnz, I take it that you are in TGA?

Note that i did get the Kordia channels last week for about 2 days, then they would not scan again.

greminn

181 posts

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#121542 6-Apr-2008 16:18

mentalinc: Try removing the 2 that dont have the X things in them

ie in that pic the top one and the above just above the dish keep the other one.

but based on your scans in sounds like you only just get reception.

Would just disconnecting them from the spliter on the ariel work? rather than removing the whole thing?

Simon

andrewcnz

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#121546 6-Apr-2008 16:30

I have tryed 2 different boxes and a brand new UHF aerial run direct with sky grade rg-6. Got 100% signal and 100% quality on 49v(tvnz) and 51v(tv works). But no joy on 42v(kordia).

andrewcnz

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#121547 6-Apr-2008 16:32

I'm in Welcome Bay,Tauranga. Hill blocks Te Aroha so can't check that transmitter.

greminn

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#121552 6-Apr-2008 16:54

I think this MUST be something that Kordia are working on concidering that i got the channels last week. A friend of mine can get all 17 channels from Te Aroha

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andrewcnz

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Ultimate Geek
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#121556 6-Apr-2008 17:01

They might fix it on monday. They would move fast if it was an analogue channel. Oh well what in HD on TV3 tonight...

greminn

181 posts

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+1 received by user: 6

#121562 6-Apr-2008 17:20

andrewcnz:
They might fix it on monday. They would move fast if it was an analogue channel. Oh well what in HD on TV3 tonight...

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Mattnzl

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#121603 6-Apr-2008 19:38

Hey guys - I'm Welcome Bay, but do have LOS to Kopu. DVBViewer can find the Kordia channels, but if I try to view them I get a garbled picture then the PC locks up (

).
All other channels are perfect. I'm sure it was working OK last week as I had a quick look at the HD demo channel.

greminn

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+1 received by user: 6

#121746 7-Apr-2008 13:05

I sent this to freeview:

I have a Zinwell FreeviewHD reciever that i purchased from Bond and Bond and i am in Tauranga. When i tune the channels i only get TVNZ and TV3/C4 channels. I believe that i am using the Kopukairua transmitter - is this just a temporary thing until launch?

And got this back:

Please check that you ve got your digital receiver connected properly Sometimes all it takes is a factory reset or re-installation - press the menu button on the digital receiver remote and follow the menu options.

You can also check the Troubleshooting section below. If you are still having a problem we suggest first call the manufacturer for assistance (the phone number should be in the packaging or on the product guide). If this does not solve the problem then call an installer. If they cannot solve the problem then return to the retailer for more assistance.

If you have purchased a non-approved digital receiver we suggest you contact the person you purchased it from for assistance.

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