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Search: Posts Made By: jrgagne99
Forum: Help With Reception 15-Apr-2021, 12:59 PM
Replies: 5
Views: 13,330
Posted By jrgagne99
For that antenna, your proposed 4-5 feet of...

For that antenna, your proposed 4-5 feet of spacing with 1-1/4 inch mast seems fine, even for antenna 8 feet above roof. That is not a huge antenna like the HD8200U, CM-5020 or similar. One thing...
Forum: Help With Reception 14-Apr-2021, 12:56 PM
Replies: 5
Views: 13,330
Posted By jrgagne99
Sounds reasonable, but what antenna are you...

Sounds reasonable, but what antenna are you putting up, how high above the top-most bracket, and what is the construction of the mast (i.e. material, diameter, and wall thickness)? Is the mast all...
Forum: Help With Reception 13-Apr-2021, 2:16 PM
Replies: 5
Views: 13,330
Posted By jrgagne99
It depends on how high your mast is, antenna...

It depends on how high your mast is, antenna size, wind loads, etc. For a large antenna such as an HD8200U on an 8-foot mast, I would try to put at least 18" between braces, maybe more. That's kind...
Forum: Help With Reception 30-Oct-2020, 7:14 PM
Replies: 19
Views: 10,868
Posted By jrgagne99
Wow, that's some high-level analysis Tower Guy. ...

Wow, that's some high-level analysis Tower Guy. It's neat that the recommended horizontal spacing is tailored to the precise channel, not just the band. Do you have a recommendation on the...
Forum: Help With Reception 30-Oct-2020, 1:01 PM
Replies: 19
Views: 10,868
Posted By jrgagne99
Good point. I missed that detail. It certainly...

Good point. I missed that detail. It certainly does make it a lot harder. Seems worth a shot for a single antenna with good return policy though.
Forum: Help With Reception 29-Oct-2020, 1:21 PM
Replies: 19
Views: 10,868
Posted By jrgagne99
Based on the RabbitEars report, I think that CBFT...

Based on the RabbitEars report, I think that CBFT and CBMT are certainly possible if you are up for a challenge. The are sitting at -5 dB noise margin. For comparison, I reliably (99%+ of time)...
Forum: Help With Reception 26-Oct-2020, 12:57 PM
Replies: 19
Views: 10,868
Posted By jrgagne99
That's a neat idea--- a repeater station with a...

That's a neat idea--- a repeater station with a Tablo and Wifi link powered by solar PV and batteries.
Forum: Help With Reception 23-Oct-2020, 8:37 PM
Replies: 19
Views: 10,868
Posted By jrgagne99
Ok, so some combination a UVSJ, HSJ or similar...

Ok, so some combination a UVSJ, HSJ or similar should be used to make sure you're just transmitting the relevant TV frequencies? Would this approach be starting to skate pretty close to FCC rules...
Forum: Help With Reception 23-Oct-2020, 7:24 PM
Replies: 19
Views: 10,868
Posted By jrgagne99
Tower Guy, Why is the channel filter needed,...

Tower Guy,
Why is the channel filter needed, i.e. why can't you just re-broadcast everything?
Forum: Help With Reception 23-Oct-2020, 3:12 PM
Replies: 19
Views: 10,868
Posted By jrgagne99
You need to put a repeater at the top of the...

You need to put a repeater at the top of the ridge at the northern end of the pond. :-)

J/K, but seriously, does anyone have any experience with repeater setups, i.e. the following 3-antenna...
Forum: Help With Reception 23-Oct-2020, 1:28 PM
Replies: 19
Views: 10,868
Posted By jrgagne99
Unfortunately, I think even the Sherbrooke...

Unfortunately, I think even the Sherbrooke stations are took weak to pull in reliably, and Montreal looks even further down in the weeds. A Stellar Labs 30-2476 is your best bet to try for the...
Forum: Help With Reception 16-Oct-2020, 8:36 PM
Replies: 16
Views: 16,015
Posted By jrgagne99
All the Mount Mansfield VT stations are similarly...

All the Mount Mansfield VT stations are similarly difficult path for you, and right on the digital cliff it seems. A custom yagi for RF 7 might be worth a try. I once built one for RF-21 (IIRC)...
Forum: Help With Reception 6-Oct-2020, 1:03 PM
Replies: 14
Views: 11,901
Posted By jrgagne99
Yes, comparisons across manufacturers can be...

Yes, comparisons across manufacturers can be difficult to obtain. Even when they do post gain vs. frequency charts, they can be on different bases (i.e. dBi vs. dBd) so you need to do a little math...
Forum: Help With Reception 6-Oct-2020, 12:57 PM
Replies: 14
Views: 11,901
Posted By jrgagne99
That is also a good idea, but the problem with...

That is also a good idea, but the problem with finding a "sweet spot" in this case is that due to the close proximity to the trees especially near the chimney, the location of the sweet spot is...
Forum: Help With Reception 5-Oct-2020, 3:39 PM
Replies: 14
Views: 11,901
Posted By jrgagne99
It looks like the southern end of the house has...

It looks like the southern end of the house has the best shot of seeing the RI towers. If the 751 doesn't work, a Winegard 7694 has a little more horsepower that might pull them in. There is also...
Forum: Help With Reception 18-Aug-2020, 12:45 PM
Replies: 15
Views: 19,274
Posted By jrgagne99
I can also recommend the Kitz-tech pre-amps. I...

I can also recommend the Kitz-tech pre-amps. I have the KT-200 and it has been working fine for 3 years. Supposedly very low noise at 0.4 dB.

Would the KT-700 have lower noise than a "generic...
Forum: Help With Reception 14-Aug-2020, 7:44 PM
Replies: 15
Views: 12,052
Posted By jrgagne99
I think that was a good idea. Distance of...

I think that was a good idea. Distance of 10-feet isn't very much, and if it makes it easier and safer to troubleshoot and service, it is worth the small penalty (fraction of a dB).

My pre-amp...
Forum: Help With Reception 14-Aug-2020, 2:04 PM
Replies: 15
Views: 12,052
Posted By jrgagne99
The voltage signal that the amplifier sees...

The voltage signal that the amplifier sees consists of "usable signal" (the part that the TV tuner needs to decode) and "noise". I think in broad terms, amplifiers increase both components equally,...
Forum: Help With Reception 8-Jul-2020, 5:33 PM
Replies: 15
Views: 19,274
Posted By jrgagne99
Smile Mounting the preamp closer to the antenna cuts...

Mounting the preamp closer to the antenna cuts down on the signal loss, but I viewed the ~1.5dB of loss over 50-feet of down-tree coax as an equitable trade for easier access to the pre-amp. I...
Forum: Help With Reception 8-Jul-2020, 1:44 PM
Replies: 3
Views: 14,311
Posted By jrgagne99
I had a similar case a few years back. Memory on...

I had a similar case a few years back. Memory on it is a little bit fuzzy, but I believe my Sony's channel list under this scenario included duplicates of the virtual channels. So when you flipped...
Forum: Help With Reception 6-Jul-2020, 1:08 PM
Replies: 15
Views: 19,274
Posted By jrgagne99
You could consider moving the pre-amp down to a...

You could consider moving the pre-amp down to a more serviceable height or location. As an example, my antennas are 55' up in a pine tree. I used a large man lift to do the installation, but...
Forum: Help With Reception 22-Jun-2020, 1:49 PM
Replies: 7
Views: 8,077
Posted By jrgagne99
I second the 30-2476 suggestion. It has one of...

I second the 30-2476 suggestion. It has one of the highest VHF-hi gains available. Try that in the church parking lot. If there is still pixellation and drop-out, I think it is most likely...
Forum: Help With Reception 22-Jun-2020, 1:39 PM
Replies: 8
Views: 9,050
Posted By jrgagne99
I agree. From what i've seen and experienced,...

I agree. From what i've seen and experienced, the 2476 has the highest VHF-hi gain available today.
Forum: Help With Reception 14-Apr-2020, 12:50 PM
Replies: 7
Views: 8,463
Posted By jrgagne99
I guess my first thing would be to try to start...

I guess my first thing would be to try to start at the source (the antenna). Check the terminal connections, maybe take a piece of sandpaper and some dielectric grease up with you. If possible,...
Forum: Help With Reception 12-Mar-2020, 1:54 PM
Replies: 44
Views: 48,655
Posted By jrgagne99
I have a portable handheld TV that works well for...

I have a portable handheld TV that works well for such things because it is small enough to take with you on the roof for signal hunting. It has a signal strength indicator setting with 5 levels. ...
Showing results 1 to 25 of 244

 

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