View Full Version : HD 8200u is it to MUCH with a channel master 7777amp
Nascarken
3-Jul-2016, 10:24 PM
What if I stagger stack HD 8200u winegard, and Question about, VHF,can I just hook the VHF separately , and hook the uhf a z z well to the antenna, !!!! ! mast mount amplifier,has one vhf, in and two uhf in can ,,It be done like that? And my zip,01550 it is good for what it is telling you, on the tv fool report, and the antennas height is 85Ft A G L maybe/30,well everyone thanks again ,and have a safe and happy 4Th OF JULY
rabbit73
5-Jul-2016, 12:52 AM
TV Fool report for center of town
http://www.tvfool.com/?option=com_wrapper&Itemid=29&q=id%3de2cb377a885a67
http://forum.tvfool.com/attachment.php?attachmentid=2082&d=1467680026
center of town:
http://forum.tvfool.com/attachment.php?attachmentid=2083&d=1467680064
zip code map:
http://forum.tvfool.com/attachment.php?attachmentid=2084&d=1467680109
Report for Location A:
http://www.tvfool.com/?option=com_wrapper&Itemid=29&q=id%3de2cb091321a1d9
Report for Location B:
http://www.tvfool.com/?option=com_wrapper&Itemid=29&q=id%3de2cb1927505ab6
Report for Location C:
http://www.tvfool.com/?option=com_wrapper&Itemid=29&q=id%3de2cb46608dfe22
Report for Location D:
http://www.tvfool.com/?option=com_wrapper&Itemid=29&q=id%3de2cb7e5f9672ab
Nascarken
5-Jul-2016, 1:05 AM
Yes Rabbit the tv fool reports is good ,now my question is can, I single hook up the VHF , separate the uhf , and use a vhf/uhf mast mount amplifier, now I have 2 real strong channels, 27,1&27,2 can I use a notch filter , and where can I find one, and should I use a filter for F M radio station to, and the antennas 85Ft high
rabbit73
5-Jul-2016, 1:40 AM
The VHF and UHF are already combined in the Winegard VHF/UHF Terminal Board Housing for CA/HD Antennas (CB-8269). You would need to use a UVSJ to separate them, which would have a loss of about 0.5 to 1.0 dB.
http://forum.tvfool.com/attachment.php?attachmentid=2085&d=1467682788
If you want access to the VHF and UHF sections before the combiner, it would be a custom modification.
http://forum.tvfool.com/attachment.php?attachmentid=2086&d=1467683523
http://forum.tvfool.com/attachment.php?attachmentid=2087&d=1467683596
Nascarken
5-Jul-2016, 1:59 AM
So would that be 5 per antenna box's that is removed, and that is what burns up , on them, To make up for that loss, the amplifier VHF is 30DB and uhf is 40 DB, so when I remove them what do I need to TO make it work ps rabbit 73 your o's m
rabbit73
5-Jul-2016, 2:14 AM
If you don't want to use the UVSJ to separate UHF and VHF you would need to connect a balun to each of the sections where the clip leads are attached, but I can't guarantee it would be a good match that way; you are on your own as an experiment.
rabbit73
5-Jul-2016, 2:35 AM
Virtual channels 27.1 and 27.2 are on real channel 29, which is WUNI. The strength of WUNI is not the same for all locations in your zip code, and you have refused to give a report for your exact location so I really don't know how strong it really is for you.
Center of town -60.8 dBm
A -61.4 dBm, but WCRN is stronger at -49.0 dBm because it is only 11.6 miles away
B -57.0 dBm
C -71.1 dBm, but WPXQ is stronger at -59.9 dBm
D -63.8 dBm, but WCRN is stronger at -51.7 dBm
ChannelPlus NF-471: Notch Filter
Removes CATV channels 75-80 and UHF channels 24-29
Notch filter frequency 529.25 MHz to 559.25 MHz
24 530-536 MHz
25 536-542
26 542-548
27 548-554
28 554-560
29 560-566
Custom single channel bandstop filter for channel 29 from Tin Lee Electronics:
http://www.tinlee.com/index.php
Jan Jenca
http://www.antenne-komponenty.eu/english/main/product/zlucovace.html
http://www.ebay.com/itm/UHF-notch-against-interference-TV-Selective-notch-for-UHF-/122031478006?hash=item1c69a494f6:g:BZkAAOSwCQNWdrL~
http://forum.tvfool.com/attachment.php?attachmentid=2088&d=1467687840
rabbit73
5-Jul-2016, 3:12 AM
I don't know if you need an FM filter because you haven't done an FM FOOL report.
http://www.fmfool.com/index.php?option=com_wrapper&Itemid=29
Here is an FM report for your zip, which is the center of town, but it might not be accurate for your actual location.
http://www.fmfool.com/modeling/tmp/938720840a/Radar-FM.png
Nascarken
5-Jul-2016, 3:41 AM
We'll Rabbit 73 it's fun to all ways experiment ,with this stuff,and I am, by the coffee shop,37,C st, and I have all ways liked How, you do such good detail,on everything, and I think it will work FINE,, and what if I just use CABLE for the antenna to the. Amp, and they should be the same l,,ength of CABLE on it to , we'll I thank you for all of your time, time for some, z z z z 73 till tomorrow,thank you,
rabbit73
5-Jul-2016, 11:33 AM
VIDEO
How To Troubleshoot a Winegard Antenna Cartridge Housing
https://www.youtube.com/watch?v=TlQke5QYbng&list=UUJ958Wlnsule1MX8jCAfvPQ
I am, by the coffee shop,37,C st,Where?
Nascarken
5-Jul-2016, 4:04 PM
Good morning Rabbit 73 It just can't get enny better than this, the videos on winegard are. O s m, thank you, now what about the F M filter, and how much DB loss is there when useing filters,
rabbit73
5-Jul-2016, 10:27 PM
O s m,What does that mean? Please explain.
I can not answer your question about an FM filter because you have not given me an ACCURATE exact address FM FOOL report or an ACCURATE exact address TV FOOL report.
All I have is this:
http://www.fmfool.com/modeling/tmp/938720840a/Radar-FM.png
and this:
http://www.tvfool.com/?option=com_wrapper&Itemid=29&q=id%3de2cb377a885a67
Why don't you try the FM filter in a preamp, or a separate FM filter to see if they make any difference.
What makes you think you have an FM interference problem?
Nascarken
6-Jul-2016, 10:56 AM
Good morning Rabbit 30central st 01550 here's the address and when u s e I n g F M, filters how much DB loss is there.
rabbit73
6-Jul-2016, 3:23 PM
Thank you, Ken. I would like to see a photo of a tall tower with an HD8200u on it in downtown Southbridge.
Nascarken
6-Jul-2016, 4:44 PM
In one week after I have every thing in places and then I will post picturers of the antenna and thanks again for all of your information your o's m and 73
rabbit73
6-Jul-2016, 6:14 PM
TV signals:
http://www.tvfool.com/?option=com_wrapper&Itemid=29&q=id%3de2cb66d645b7e9
Strongest TV signal is WUNI at -62.4 dBm = -13.6 dBmV
max input of 7777 = 15 dBmV
-13.6 dBmV + ant gain 13.7 dBd = 0.1 dBmV, no preamp overload from WUNI
-62.4 dBm + ant gain 13.7 dBd + preamp gain 30 dB = -18.7 dBm, no tuner overload
FM signals:
http://www.fmfool.com/modeling/tmp/7677688ab5/Radar-FM.png
strongest FM signal WORC = -26.7 dBm
-26.7 dBm + ant gain ~6 dB = -20.7 dBm = 28.1 dBmV, preamp overload
turn on 7777 FM filter
28.1 dBmV - 15 dB = 13.1 dBmV, preamp probably OK, no guarantee
WORC freq 98.9 MHz
External FM filters getting hard to find; no more Radio Shack, or MCM, except maybe on Amazon or Ebay
Antennas Direct has a few left; when they are gone, no replacement
https://www.antennasdirect.com/store/FM_band_rejection_filter.html
http://forum.tvfool.com/attachment.php?attachmentid=1510&d=1441159109
Insertion loss for TV signals probably about 1 dB.
A HLSJ can also be used as an FM filter:
http://forum.tvfool.com/attachment.php?attachmentid=1750&d=1447018218
rabbit73
6-Jul-2016, 7:28 PM
Now that I have shown you some interesting images and done all that hard math, maybe you will reward me by telling me what this means:o's m:)
Nascarken
7-Jul-2016, 2:20 AM
It means that I need a f m filter, 0k rabbit73 now I have a Question, about the mast mount amplifier, I have it has one VHF in at 30:DB,& UHF in at:40:DB, should I use it full power? Or should I use 1/2 of it's DB,gain, it goes from,25,to,40:DB, and I have to say that I can't ,thank you enough for your o's m and I mean o's m work, and time you spent helping me, and a z z soon a z z I PUT it together and up in the air, I will post picturers, and I will make sure that you see them first,thanks again and have a good day!!!73
rabbit73
8-Jul-2016, 2:26 AM
I have a Question, about the mast mount amplifier, I have it has one VHF in at 30B,& UHF in at:40B, should I use it full power?Uh-Oh, you changed amplifiers on me.
This thread has the title:
HD 8200u is it to MUCH with a channel master 7777amp
So I made my calculations based on the CM 30 dB 7777 amplifier for UHF and VHF combined, to answer that question.
40 dB is TOO MUCH.
More is not better, it will cause overload.
You only need 18 to 24 dB to make up for distribution losses.
Channel Master on their page for the 7777 says be careful with the 30 dB 7777.
http://www.channelmaster.com/TV_Antenna_Preamplifier_p/cm-7777.htm
Are you talking about the Johansson 7404?
http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwiCzsfy98PLAhVE0h4KHcVmBqMQFggeMAA&url=http%3A%2F%2Fwww.unitrongroup.com%2Fdownload.php%3Flang%3Den%26id%3D130&usg=AFQjCNG-ue-RbbwF1j7OXVo1J8Axb5iWHQ
https://www.google.com/?gws_rd=ssl#q=johansson+7404+amplifier
http://www.sat-center.gr/en/audio-visual/SMATV/Amplifiers/kit-7404-2430.html
Do you have a Johannson 7404 or are you going to buy one?
Please notice in attachment 4 that the 2430 power supply requires 230V AC, not 120V AC.
Nascarken
8-Jul-2016, 3:15 PM
Yes Rabbit don't get mad ,like I said I am looking for the best way to rececive, and to get into the DXers TV hobby,yes it is for the channel master 7777,amp so if I was to stack antennas, and use the channel master 7777amp ?but does that mean that it will overload ? Because 30+ whatever two stacked HD8200u winegard, in d.b gain ,we'll rabbit 73 I have I HAVE, M,S and I have little T, left To get IT done right so I can enjoy it, but I still have to say one thing, your information is , O S M , And I can not Thank You enough, Rabbit 73,and can you please help me out with the REST OF this subject,and thanks again and,73,to :rolleyesyou Rabbit,
rabbit73
9-Jul-2016, 3:09 AM
No, don't stack two HD8200U antennas, just use one.
I think stacking two would create more problems than it is worth, but the final decision is up to you. It is your money and your antenna system.
Nascarken
9-Jul-2016, 3:38 AM
Ok thanks again rabbit 73 , so one antenna, and the filters you suggested, and what do you think of the channel master, F m filter, and I have a cellphone tower about two foot ball field's from me, and the Fire Departments antennas are on top of the cellphone tower,what tipe of filter do I need for that mess,well thank you for your time and help Rabbit 73,
rabbit73
10-Jul-2016, 1:17 AM
Channel Master doesn't make, as far as I now, a separate FM filter, but there is an FM filter in the 7777 and 7778. They do make a separate LTE filter for cell phone interference.
To see if you have interference from other services, you would need a spectrum analyzer, which is expensive.
Otherwise, it is trial-and-error to see what helps if you have an interference problem.
Cell phone transmitters use different frequencies according to what carrier is in your area. Some use frequencies just above TV CH51; others use higher frequencies that cause less interference to TV reception.
Nascarken
10-Jul-2016, 1:25 AM
Hoo has a L T E fillter and thanks again rabbit 73 for the come back,well have a good day t ip
rabbit73
10-Jul-2016, 2:56 AM
http://www.channelmaster.com/TV_Antenna_LTE_Filter_p/cm-3201.htm
https://en.wikipedia.org/wiki/4G-LTE_filter
GroundUrMast
10-Jul-2016, 3:17 AM
FWIW, A serach for "LTE filter" at Amazon yeilds a few additional options.
https://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Daps&field-keywords=lte+filter
Nascarken
10-Jul-2016, 11:53 AM
Is there a way to make a all in one fillter, that does all f m and .l t e. in to one fillter,73 rabbit 73,Thank you for all of your help p,s Picturers will come soon, thanks again everyone and have a good day
Tigerbangs
19-Jul-2016, 10:21 PM
For some inexplicable reason, Southbridge is a terrible place for TV reception. I have done a couple of installations in the area, always with limited success. Boston is the most likely reception target. It is all UHF, and the transmitters are are on very tall towers and are very powerful, so an HD8200 is a waste if you are looking primarily for Boston.
If you want Providence, WPRI and WNAC are on channels 13 and 12, respectively. There are NO low band VHF stations anywhere in the area, so, again, there is NO value using an HD8200. You would be better off using a high-band VHF yagi and a high-gain UHF antenna like an AntennasDirect 91XG or a DB8e and a rotator. Use a preamplifier only if you are running very long lines and/or multiple TV sets.
You don't need to make this harder than it is: Boston is your best bet. I know how hard any kind of reception in Southbridge is: I can barely even get any FM radio reception when I am in Southbridge.
Nascarken
19-Jul-2016, 11:02 PM
We'll Tiger bangs you Finley COME out of the woods or woodwork,so I have been looking for the best,right now a z z we speak,at 45Ft high a g l 45,High VHF by STELLAR LABS #30-2476,and AT 30Ft high underneath the VHF,17,channels,UHF 3channel's for right now no ROTOR HOOKED UP yet,with a Johansson amplifier kit that has one vhf in at 30:DB and one uhf in at 40,DB,the uhf antenna is a solid signal HDB 91XG,NOW I did not BUY that 8200u,instead I bought a ANTENNACRAFT MXV 5100 SERIES VHF,and a ANTENNACRAFT,3BY17,At,90Ft high,witch one should I use,with the,2,91XG,STACKED side BY,AT 85Ft high A G L 45,glad that you can help me out with this mess,I want to get into the DXING TV hobby and RADIO,well THANK you,Tiger bangs and have a good day
Tigerbangs
19-Jul-2016, 11:19 PM
Not to be flippant, but if you want fo DX, get out of Southbridge:it's a terrible place to DX anything! You can't get a tower high enough to DX from that location!
Nascarken
20-Jul-2016, 2:36 AM
We'll at 90 Ft high should be able to get c t STATE with the ANTENNACRAFT MXV 5100,with the 2,HDB91x stacked vertical at the 90 Ft A G L, 45,with a Johansson amplifier kit that has one vhf in,at 30,DB,and 2 uhf in 40+40DB Gain
Nascarken
20-Jul-2016, 4:19 AM
We'll then I will do plain 1,the first was 2,high gain vhf by,STELLAR LABS#30-2476,stagger vertical stack,with the HDB 91XG,2,Horizontal STACKED SIDE by side,at 90Ft,high, zip code is good,01550,Tvfool REPORT,
bobsgarage
20-Jul-2016, 12:03 PM
Now that I have shown you some interesting images and done all that hard math, maybe you will reward me by telling me what this means::)
Nascarken,
Good Morning.
What is O S' M?
I see you use it in your posts.
Thanks!
Nascarken
21-Jul-2016, 12:38 AM
Nascarken,
Good Morning.
What is A, S' M?
I see you use it in your posts.
Thanks! A S M radio operator!!
Nascarken
21-Jul-2016, 12:53 AM
Ok Tiger bangs LET'S for get about the DXING, EVEN IF THE ANTENNA IS 90Ft high? And you no what I have for antennas,what do I need a DB8,STACK them 4,WAYS?
bobsgarage
21-Jul-2016, 12:06 PM
A S M radio operator!!
O S M means A S M radio operator?
Nascarken
21-Jul-2016, 12:11 PM
Yes sorry for the miss print A S M NOT O'S M THANKS FOR THE INFO AND HAVE A GOOD DAY
bobsgarage
26-Jul-2016, 12:01 PM
Yes sorry for the miss print A S M NOT O'S M THANKS FOR THE INFO AND HAVE A GOOD DAY
Finally! the answer we have been waiting for!
From Nascarken:
A,,,,,S.,,,,,m,,,,,,,,
That is what it means AWESOME '''''''''''''''''''''''''''''''''''Not O S M??????????????????????????''
Thanks for the message Ken. I would have never figured it out.
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