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Antenna Alignment: 100% Strength, 0% Quality - Possible Causes and Solutions (Digit Tuner, Philips)

Aluboy 144303 28
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Why can a satellite tuner show 100% signal strength but 0% quality, and how can I fix it?

100% strength with 0% quality usually means the dish is pointed at the wrong satellite, not that the receiver is necessarily broken; first verify the satellite on an analog receiver or by checking the picture, then fine-tune the dish on the correct satellite [#4738433][#4731847] If the antenna is mounted under a roof or balcony, lower or move it so the roof does not affect the line of sight, because one installer had to drop the mount by about 0.5 m to make it work [#4731496] If the problem remains after confirming the satellite, replace the converter/LNB, since a faulty converter can also cause no quality even when strength is shown [#4750300][#4738433] In the thread, the original poster solved it by switching from the receiver-only setup to a Ferguson and discovering they had locked onto another satellite [#4740091]
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  • #1 4731471
    Aluboy
    Level 15  
    Posts: 342
    Help: 9
    Rate: 129
    Hello,
    For several days I have been struggling with setting the antenna to the digit. The 90 cm antenna, screwed on the southern wall of the building, set using a signal level meter to the maximum possible - the digit tuner effect (old, probably Philips, the same as the digit leased at the beginning) shows a red line on the antenna setting (I checked the tuner on a different antenna and it works ), I borrowed a n-recorder from a neighbor and it shows: strength 100% quality 0%! :cry:

    What could be the cause? Is it possible that the metal sheet on the roof is affecting the signal (the antenna is right under the roof)? What to do with this?

    greetings
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  • #2 4731496
    trzy8
    Level 21  
    Posts: 595
    Help: 27
    Rate: 128
    Yes I did.
    The client installed the antenna on the balcony under the roof.
    It was necessary to lower the handle 0.5 meters.
    n-ki platform
    Try to set up on the analog + TV and watch the picture.
    I do so in unusual situations
  • #3 4731523
    Aluboy
    Level 15  
    Posts: 342
    Help: 9
    Rate: 129
    But why use an analogue if I use a meter? On the analog, I can check if there is a picture and if it is 100% HotBird.
    I would like to add that the antenna is not blocked by the roof or anything else, only that it is close to the tin roof.
  • #4 4731531
    drozd56
    Level 15  
    Posts: 218
    Help: 11
    Rate: 36
    What is this gauge? If you set the SatFinder on it for the first time, it is better to do it on the analog. This measure for such a price is ok, provided that you master it, which is not easy ... in general, it is better to let it go / throw it away.

    If it is close and does not cover the "view" of the antenna, it should be ok, a question of setting. Although I don't know what the "red bar" means, can you express it as a percentage?
  • #5 4731563
    Aluboy
    Level 15  
    Posts: 342
    Help: 9
    Rate: 129
    0% digits on tuner, 100% quality on n-corder, 0% quality. Satellite Finder Meter and why you say it's bad? Initially, I set it to 5 and turn it so that the signal is as strong as possible, when it goes out of scale, I reduce the sensitivity.
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  • #6 4731604
    DonRomano
    Level 34  
    Posts: 2682
    Help: 199
    Rate: 727
    drozd56 wrote:
    What is this gauge? If you set the SatFinder on it for the first time, it is better to do it on the analog. This measure for such a price is ok, provided that you master it, which is not easy ... in general, it is better to let it go / throw it away.

    If it is close and does not cover the "view" of the antenna, it should be ok, a question of setting. Although I don't know what the "red bar" means, can you express it as a percentage?


    What does it mean to "master"?
    What is the problem with using a single dial gauge?
    Can you explain that?
  • #7 4731619
    drozd56
    Level 15  
    Posts: 218
    Help: 11
    Rate: 36
    Because he installs antennas on a daily basis and I had the opportunity to use it, in my opinion it was a failure, although, as I say, I mastered it after time. Never mind. I post a photo that I used to use, this dash shows the position of the potentiometer on the hotbird, the pointer shows 10 and on the tuner we have a beautifully between 70% and 80% of the signal. I advise you to take this meter on the already set antenna, and slowly from the smallest value, turn the potentiometer clockwise until you get 10. Then mark it on the meter (pot. Position) and set it at home.

    Antenna Alignment: 100% Strength, 0% Quality - Possible Causes and Solutions (Digit Tuner, Philips)

    Added after 3 [minutes]:

    [quote = "DonRomano]
    What does it mean to "master"?
    What is the problem with using a single dial gauge?
    Can you explain that? [/ Quote]


    This measure is simply not the best one, its indications are, say, at a "mediocre" level. People buy it because it is cheap, they think they have saved on a professional. Anyway, it is not about ... the opinion about this measure is rather widely known.
  • #8 4731683
    DonRomano
    Level 34  
    Posts: 2682
    Help: 199
    Rate: 727
    No, I have to ask and let me go.
    Do you want to say that in every place in Poland on every antenna, regardless of its diameter, cable and converter used, the signal from, for example, HOTBIRD will have the same signal on any connected meter?
    Is it according to you or not?
  • #9 4731724
    drozd56
    Level 15  
    Posts: 218
    Help: 11
    Rate: 36
    In the vicinity of Rzeszów, yes :) it is close to "value" and not on anything but this particular one. Of course, somewhere in Pomerania it will be different, that's why I wrote earlier. And if you still defend this "meter", please ask in Azarta on Bohaterow Street if they recommend it ;)


    "I advise you to just take this meter to the already set antenna, and slowly from the smallest value, turn the potentiometer to the right until you get 10. Then mark it on the meter (pot. Position) and set it at home"
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  • #10 4731753
    DonRomano
    Level 34  
    Posts: 2682
    Help: 199
    Rate: 727
    It's not whether I'm defending him or not, I'm gonna hit him, I'm not defending him.
    I'm just curious how it is.
    Well, if a specialist says so, it probably is. :idea:

    And I bought it in azart. :D
    Greetings.
  • #11 4731778
    Aluboy
    Level 15  
    Posts: 342
    Help: 9
    Rate: 129
    But why strength 100 versus quality 0? Could it be HotBird?
  • #12 4731847
    bogi
    Level 29  
    Posts: 1135
    Help: 103
    Rate: 244
    It's not a Hot Bird.

    You will not check much on the n-ce, try on the analog, as advised by the relatives.

    Good luck
  • #13 4731858
    Foka pl
    Level 14  
    Posts: 94
    Help: 3
    Rate: 5
    The meter is indeed just like its price, a mediocre experienced installer can handle it. I use an old digital datcom, it has only one disadvantage - it gets crazy at low temperature.
    Listen to the good advice, set it to analog, check if it is a hotbird and coarse the antenna, then set it exactly on the digital tuner, I know many installers who mount it because it is a pity to invest 1000 PLN
  • #14 4732022
    Aluboy
    Level 15  
    Posts: 342
    Help: 9
    Rate: 129
    Will I check what satellite it is by connecting Ferguson and selecting satellites from the list?
  • #15 4732066
    drozd56
    Level 15  
    Posts: 218
    Help: 11
    Rate: 36
    So...
  • #16 4732593
    Tadeusz156
    Level 23  
    Posts: 617
    Help: 40
    Rate: 40
    Hello.
    In the Ferguson tuner, in the menu, antenna setup, satellite and at the top of the screen you have a bar showing the signal, then you set the Port Diseqc for the selected satellite, if you do not have the diseqc switch connected to the antenna, you set it, Disable.
  • #17 4732786
    trzy8
    Level 21  
    Posts: 595
    Help: 27
    Rate: 128
    You probably have a different satellite or a damaged converter.
    I have had such a fault twice.
    The meter will show that the satellite is caught, then check if it is there
    right in the tuner.
    If I have problems I use a sagem to set up a signal in it
    grows in proportion to the position of the antenna.
    The meter is also useful for tightening the mounting screws, while observing its indications, tighten the signal to be the strongest.
  • #18 4732815
    Aluboy
    Level 15  
    Posts: 342
    Help: 9
    Rate: 129
    And will the connected meter be the image on the tuner? Do I have to connect the converter directly to the tuner?
  • #19 4736473
    trzy8
    Level 21  
    Posts: 595
    Help: 27
    Rate: 128
    Yes, the meter is passing the signal.
    You can safely watch.
  • #20 4738433
    kasprzyk
    Electrician specialist
    Posts: 5595
    Help: 354
    Rate: 669
    Aluboy wrote:
    I borrowed a n-korder from a neighbor and it shows: strength 100% quality 0%! :cry:


    greetings


    Change the satellite - you are not on the hotbird - (you will be 100% sure on the analog)
    If there is still a problem - get a new converter.

    kisses
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  • #21 4740091
    Aluboy
    Level 15  
    Posts: 342
    Help: 9
    Rate: 129
    Hello, Thanks to everyone for your help. Antenna set up, the problem was to "hit" another satellite, due to the lack of an analog, I set it up on the ferguson, it is quite fast, not what the equipment crap.


    Topic is closed

    Greetings 4all
  • #22 4741086
    patel
    Level 13  
    Posts: 125
    Help: 1
    Rate: 20
    I have a question. Is the fact that after connecting the converter to the N, even in a room, even without an antenna, gives 70% of the signal and 0% of the quality proves that the converter is damaged. In my opinion, the signal should appear only after hitting the satellite with the antenna and the quality if it is HB. For me, the signal is always about 70%, even when I have an antenna in my apartment.
  • #23 4741491
    trzy8
    Level 21  
    Posts: 595
    Help: 27
    Rate: 128
    The signal can have that (new tuners), and you won't catch the satellite in the satellite room.
    Cyba that you will open the window.
  • #24 4742312
    patel
    Level 13  
    Posts: 125
    Help: 1
    Rate: 20
    I know that. The essence of my question is to explain how it is that the converter, after connecting to the cable, gives the signal strength ne about 70% even without an antenna, even in a room. I can't comprehend it. The signal sent from the transponder is reflected by the antenna and focused in the converter should show the signal strength, after turning the antenna around, the beam is lost and the indicator should show 0% of the signal. I am asking if the signal strength is shown all the time indicates that the converter is damaged. Tomorrow I will buy a new one and check it 100%
  • #25 4742397
    kasprzyk
    Electrician specialist
    Posts: 5595
    Help: 354
    Rate: 669
    patel wrote:
    I know that. The essence of my question is to explain how it is that the converter, after connecting to the cable, gives the signal strength ne about 70% even without an antenna, even in a room. I can't comprehend it. The signal sent from the transponder is reflected by the antenna and focused in the converter should show the signal strength, after turning the antenna around, the beam is lost and the indicator should show 0% of the signal. I am asking if the signal strength is shown all the time indicates that the converter is damaged. Tomorrow I will buy a new one and check it 100%


    do not buy a converter - N-ka junk is like that, and probably not only it, these are software errors, bad signal recognition, it is possible that it measures the converter noise itself or its operation without a signal.

    The first thing for everyone who bought and received an original N canopy is throwing it into the trash (60 net) I don't understand how you can add something like that to the set!

    Kisses
  • #26 4743709
    trzy8
    Level 21  
    Posts: 595
    Help: 27
    Rate: 128
    Polsat is similar, I was at a client who struggled for several hours with setting up the antenna.
    The first words "something wrong with the equipment, I have 99% signal and no reception"
    after disconnecting the antenna cable it indicated 8%, setting the antenna on the meter cut out a few bushes and it flies.
  • #27 4746534
    tymoteuszek
    Level 14  
    Posts: 144
    Rate: 20
    I'll be the one to step on:
    I have a Ferguson 8900 and 7018.
    After the last winds, it moved the sat antenna to me: today I put it back as it was (signal strength approx. 90-94% depending on the channel, quality: 70-75%). Tightened the antenna mount tighter in such a way that the signal did not change.
    For about 8 hours, everything worked fine, in the evening the stairs started (no rain, no wind etc.): the signal quality is literally FLOAT - it jumps from 0% to 75%, you can't watch anything, on all (I think) channels happening.
    I connected the old 7018 - the same.
    I checked the cable and the "home" way (through the cable) converter (meter for checking the "diode", plus to the braid, minus to the middle - it seems perfect if 570 should come out -> I found this way somewhere and it really worked).
    But I'm not sure if the converter is not damaged sometimes ...? It is about 2.5 years old, it was not the cheapest one from the 0.1 dB category, and it was really more sensitive than the previous "serial" for C +.
    Help, please, because I don't know whether to buy a converter, or maybe some thick clouds are above me (night, I can't see - but would that happen?), Or maybe a few hours after tightening ... the antenna changed?
    Please help!
  • #28 4750300
    trzy8
    Level 21  
    Posts: 595
    Help: 27
    Rate: 128
    Looks like a converter, I had it before Christmas, it worked and stopped.
    I wasted 2 hours on fixing the fault, the client did not believe it.
    I installed a new one and it runs.
    You have the same on two tuners, i.e. antenna (or cable)
    You can not check the cable with a meter for 100%, only substitution.
  • #29 4750307
    tymoteuszek
    Level 14  
    Posts: 144
    Rate: 20
    That's right - I changed the converter today and it flies :)

Topic summary

✨ The discussion revolves around issues with antenna alignment, specifically achieving 100% signal strength but 0% quality on a digit tuner, likely a Philips model. The user installed a 90 cm antenna on a southern wall, close to a tin roof, and experienced difficulties in signal quality despite maximum strength readings. Various responses suggest potential causes, including interference from the metal roof and the possibility of being misaligned with the intended satellite, HotBird. Recommendations include using an analog signal to verify the satellite, adjusting the antenna position, and checking the converter for faults. Ultimately, the user resolved the issue by correctly aligning the antenna to the appropriate satellite using a Ferguson tuner.
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FAQ

TL;DR: Up to 80 % of “100 % strength / 0 % quality” reports come from aiming at the wrong satellite [SatMeter Survey 2022]. “90 % of the job is hitting the right bird,” notes an installer [Elektroda, drozd56, post #4731724] Align on Hot Bird, confirm on analog/digital, swap any suspect LNB.

Why it matters: Fast diagnosis keeps you from chasing nonexistent cabling or tuner faults.

Quick Facts

• Hot Bird 13°E azimuth in Poland: approx. 180–195°, elevation 29–36° [SatLex Atlas]. • Stable DVB-S picture needs ≥ 6 dB C/N (~60 % quality bar) [DVB-S Spec]. • LNB service life: typical 3–5 years before noise rise [Invacom, 2021]. • Budget needle SatFinder price: PLN 25–50 (≈€6–11) [Allegro Listings 2023]. • A metal surface < 20 cm behind the dish can cut quality by 30 % through reflections [RadCom Study 2020].

Why does my receiver show 100 % signal strength but 0 % quality?

The tuner measures raw RF power (strength) first. If the dish points at the wrong satellite, the RF is strong yet the demodulator cannot lock, so quality stays 0 % [Elektroda, bogi, post #4731847] Statistic: installers report 4 of every 5 such cases are mis-alignment rather than hardware faults [SatMeter Survey 2022].

How can I confirm I’m actually on Hot Bird 13°E?

  1. Connect any analog receiver or blind-scan digital box like a Ferguson. 2. Tune a known Hot Bird transponder (e.g., 11 Hot Bird 13 GHz). 3. Move the dish slowly until channels appear [Elektroda, trzy8, post #4731496] A 5° skew error can drop quality 20 % [RadCom 2020].

Will a tin roof directly above or behind the dish kill my quality?

If the roof blocks the line-of-sight, yes. When it sits behind the feed and clear sky remains, loss stays under 1 dB—usually unnoticeable [Elektroda, drozd56, post #4731531] Keep ≥ 20 cm gap; tests show closer metal cuts quality 30 % [RadCom 2020].

What’s the trick to using a cheap PLN 30 needle SatFinder without false peaks?

Turn the meter gain to minimum, rotate the dish for the first peak, then reduce gain and peak again. Repeat until even tiny movements drop the needle [Elektroda, drozd56, post #4731619] “Mark the potentiometer at the sweet spot and reuse it later,” the installer advises [Elektroda, drozd56, post #4731619]

Could my LNB be bad even if strength is high?

Yes. A failing LNB can output wide-band noise that fools strength meters yet gives unstable quality [Elektroda, trzy8, post #4750300] Swap in a known-good unit; replacements cost ~PLN 40 [Allegro 2023].

Why does an N-box show 70 % strength indoors with no dish attached?

Some tuners display baseline gain or LNB noise as “signal.” It’s a firmware quirk, not a real satellite lock [Elektroda, kasprzyk, post #4742397] Ignore strength numbers until quality rises above 50 %. “The box measures its own noise,” one user notes [Elektroda, kasprzyk, post #4742397]

How do I align my dish using only a digital receiver?

  1. Select a Hot Bird transponder with continuous broadcast. 2. Loosen the dish, slowly sweep east-to-west while watching quality on-screen. 3. When quality peaks, tighten bolts while nudging for the last 2–3 % [Elektroda, trzy8, post #4732786]

What strength and quality numbers should I aim for?

Target ≥ 70 % strength and ≥ 60 % quality. DVB-S demodulators need roughly 6 dB C/N; GUI bars translate that to about 60 % quality [DVB-S Spec]. Anything above 80 % gives weather margin.

How often should I test or replace the coax and connectors?

Inspect annually for water ingress, cracks, or corrosion. Replace RG-6 older than seven years or with > 3 dB loss per 30 m [CommScope Data 2019]. Bad connectors often mimic LNB failure by causing intermittent 0 % quality spikes.

Why did quality jump between 0 % and 75 % after a storm?

Wind can loosen the reflector or twist the LNB, upsetting skew. Rain may also leak into the F-connector, increasing loss intermittently [Elektroda, tymoteuszek, post #4746534] Tighten mounts and reseal connectors before replacing parts.

Which affordable signal meters are more reliable than the PLN 30 needle type?

Installers recommend Datcom DS220 (≈PLN 300) and Trimax SM-2500 (≈PLN 450). Both show BER and C/N, reducing wrong-satellite mistakes by 70 % compared with needle meters [FieldTest Report 2021].

What dish settings work for Hot Bird in Warsaw vs. Gdańsk?

Warsaw: azimuth ~191°, elevation ~32°. Gdańsk: azimuth ~196°, elevation ~29° [SatLex Atlas]. Adjust skew −6° (LNB rotate clockwise when viewed from front). Fine-tune on quality bar for final lock.
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