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Boston, MA - OTA - Page 7

post #181 of 10626
FYI, a recent exchange with WGBH's supervisor of audience/member services--he refers to the letter posted earlier in this forum:

Thanks for the email Bill. The sad fact is that WGBH is in Boston, second only to silicon valley in high-tech industryand WGBH lags the rest of the country in digital broadcasting. Even New Hampshire broadcasts high-def. I am joining WENH because I watch their broadcasts now, not WGBH.

WGBH is out of touch with its Boston viewersespecially affluent, early adopters who would donate much more than typical members if WGBH showed its support of viewers' needs. How does every other station in the USA justify broadcasting digital PBS?

It's a shame that PBS produces such high-quality programming, much of it in high-definition, but WGBH won't pass it on to its viewers in a high-quality medium (digital TV). The letter below is contrived to justify a lack of progressive thought.

I challenge the $100k/year cost of electricity figure. Why not broadcast 2-3 hours a day, like WENH in New Hampshire?
Steve Pearse
Member ID#1284094

PS I will join as a $300/yr member as soon as WGBH regularly broadcasts digital (unless WENH has me hooked). Broadcast 2 hours/day, electrical costs go to $8k/yrhow many members like me would it take to cover your costs then?


-----Original Message-----
From: Bill Pimentel [mailto:bill_pimentel@wgbh.org]
Sent: Tuesday, August 07, 2001 7:17 PM
To: spearse99@yahoo.com
Subject: WGBH'S DTV BROADCAST PLANS

Dear Mr. Pearse,

Thank you for contacting Audience and Member Services at WGBH this afternoon. I have included the letter I promised you, below. But first I've included a recent email response from David Liroff, WGBH's vice president and chief technology officer, to another (avsforum.com) respondent who questioned statistics cited in that same letter.

If you are interested, as I'm sure you are, I'll be happy to share those statistics with you, as well as any related updates, once these two gentlemen compare notes.

Regards,

Bill Pimentel
post #182 of 10626
All I can say is WENH is a progressive station. It's a great HD night with Baseball on DirecTV & Dish (WGN), but first I watched WENH.

Have Pre-Amp will travel,
Tim
post #183 of 10626
Anyone notice problems with WCVB-DT/ABC last night during the rerun of NYPD Blue? Everytime they cut to a commercial break, audio went dead. Back from break, audio started again on cue. I did notice that the audio stream was DD 5.1 througout - I'm assuming that's that normal and they don't switch horses midstream to Pro Logic...

On another topic:
I'm retiring my Terk TV-42 and getting a real outdoor UHF antenna. My Silver Sensor does a better job indoors than the Terk does on the roof. I'm going to put the SS on the roof (weatherproof it first) to get WENH, and couple it with a UHF antenna from Radio Shack - that way I'll get the Boston DT stations and WENH without a rotator.

Anyone want a virtually new TV-42?


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Jon Gauthier
"If I'm not sailing I'd rather be watching sailing in HD!" - Me
post #184 of 10626
While waiting for WGBH-DT channel 19 (Boston PBS) to get on the air, try "going west".

From the western suburbs, I was able to get WGBY-DT channel 58 in Springfield last night.
(I used a CM 4248 UHF Yagi with a 19db preamp.)
My Dish Network 6000 locked on with a good signal quality reading of ~58%, did have some occasional dropouts.

It apparently is still low-power, so you might have to use some of the techniques from the days when WBZ-DT was also low-power. (In this case, tune analog channel 57 as best you can [it'll be somewhat snowy], then switch to channel 58 and try fine-tuning with your rotor.)

Good luck!
post #185 of 10626
I would love to receive WENH from my home in Brighton, MA, very close to downtown Boston, but the WENH tower doesn't even show up when I run my address through antennaweb.

Can anyone in my vicinity give me a sense of whether or not I might be able to make this happen and if so, what it might take?

Any replies at all are appreciated!

------------------

Todd

The HT-2-B
post #186 of 10626
Todd,

I'm just getting it in Boxborough (more West, more North towards NH) with a dedicated 4248 antenna and a 28db pre-amp. Of course I am commiting heresy doing this in my attic vs. outside, but I think you'll have a tough haul. Trial and error is only way to tell, but may be a hassle. For me it's about a 120 degree swing left from the Needham towers. Mileafe, as they say, will vary.

Tim
post #187 of 10626
Bob Hess,

1) With the latest update of Advanced Programming Guide data from DirecTV a couple of days ago, WBZ-DT guide info now shows up correctly like the other are DT stations on the DST-3000 and I assume Mitsubishi & Hughes boxes.

2) FYI, Though I watch 4-1, I had then lost CBS HD on Dish. Though Boston is a CBS O&O station, it appears WPRI (who) nixed it. Silly.

3) Now that is more public that WBZ owns channel 38, will the Digital feed happen any sooner?

Thanks, as always,
Tim
post #188 of 10626
Quote:


Originally posted by tdemelle:
I would love to receive WENH from my home in Brighton, MA, very close to downtown Boston, but the WENH tower doesn't even show up when I run my address through antennaweb.

Can anyone in my vicinity give me a sense of whether or not I might be able to make this happen and if so, what it might take?

Any replies at all are appreciated!

WENH is better known as NHPTV...
do a search on that... you'll find all the info you need
post #189 of 10626
Bob Hess,

Got any comments on the TV Technology article, warning of problems for Low VHF stations if they try to keep their VHF frequency?

Are any Boston stations worried about this, or are all planning to stay on VHF ultimately?
post #190 of 10626
You can find some good info at this site:
http://www.bsexton.com/tvdb.html

Enter your zip code

Distance to search to...60 80 150 miles etc.

Service Class Filter = DT

Status Filter = none

Grade Search Filter = none

These entries will give you the exact distance, bearing and field strength of the station based on FCC calculations for each station.

Bearings are geographic not magnetic.

unfortunately the site used to provide maps, but that was cut off.

WENH-DT is still running low power so your distance may be problematic and require an extensive antenna, pre-amp and some good height above ground.

Good luck

Pat

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HDjunky
post #191 of 10626
Quote:


Originally posted by rudolpht:
Bob Hess,

1) With the latest update of Advanced Programming Guide data from DirecTV a couple of days ago, WBZ-DT guide info now shows up correctly like the other are DT stations on the DST-3000 and I assume Mitsubishi & Hughes boxes.

2) FYI, Though I watch 4-1, I had then lost CBS HD on Dish. Though Boston is a CBS O&O station, it appears WPRI (who) nixed it. Silly.

3) Now that is more public that WBZ owns channel 38, will the Digital feed happen any sooner?

Thanks, as always,
Tim

Hi Tim,

Very interesting stuff.

I'm not sure that WPRI has the ability to nix you at your location. We can discuss via private email if you wish. As you probably, know, as a CBS O&O, we support the Network's desire to get HDTV to the viewers via Dish, even though it is not the WBZ feed.

We are presently working on the engineering for Channel 38 and Channel 28 (Providence). I expect WSBK-DT to be on the air around first quarter 2002. Work never stops here, however. We are presently installing a new 50 KW transmitter for WBZ Radio!

- Bob
post #192 of 10626
Quote:


Originally posted by jhe:
Bob Hess,

Got any comments on the TV Technology article, warning of problems for Low VHF stations if they try to keep their VHF frequency?

Are any Boston stations worried about this, or are all planning to stay on VHF ultimately?


Wow. AVS members do their homework. For the others out there, TV Technology is a broadcast engineering trade magazine. The channel 2-6 stations are very concerned about the future. Although most have the option of keeping their VHF channel or their UHF channel - but not both - when analog TV goes away, there are some real problems with doing DTV on those low channels. As the article states, impulse (electrical noise appearing as white dots on analog sets) destroys the DTV signal. With today's technology, we would probably elect to stay with our UHF channel but I don't expect us to make the choice until the last minute. We will be looking very closely at the performance of the few low band DTV's out there including our Chicago station.

Bob
post #193 of 10626
Thanks very much for all the feedback!

Prjoy, unfortunately your linked site didn't show WENH to be within 150 miles of my location and I was unable to expand the search radius beyond that distance.

In the "there's still hope" department, last night I came across this site linked from the AVSForum:
http://www.metronet.com/cgi-bin/cgiw...1-12-29&rad=63

which shows the broadcast radius from the WENH tower in NH with Boston falling within its scope. If transmission from the tower currently weak, hoping to tune it in may be a bit optimistic.

I will continue to investigate. Thanks again!

------------------

Todd

The HT-2-B
post #194 of 10626
Hi Todd,
I just entered the site and put in your zip and the filter settings I gave in the post and got the information on the WENH-DT.

57 WENH-DT DURHAM NH DT APP 56.94 356.2 47.3

What it means is Ch 57 WENH-DT in Durham NH DT class station 56.94 miles from your location on a bearing of 356.2 degrees and would present a 47.3 dbu signal at your location as referenced to dipole UHF antenna.

Your would have to have a very high gain antenna and preamp at a good height above ground to get ENH from your location, but I think it would be possible if you wanted to spend the cash to do so.

Pat

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HDjunky
post #195 of 10626
Pat, you're right! In my haste, I didn't enter the filter information. Great information. Thanks again!


Is there any such thing as a site which might show appropriate equipment based on the figures above?

------------------

Todd

The HT-2-B

[This message has been edited by tdemelle (edited 08-17-2001).]
post #196 of 10626
Todd,

Recommend a ChannelMaster 4248 Antenna (~$50), Wineguard AP-4800 UHF pre-amp (~$60), and a Jointenna for Channel 57 (~40?) if combining with other antenna feed.

Stark Electronic, Worcester, is a good place, though you are closer to U-Do-It in Needham.

Tim

[This message has been edited by rudolpht (edited 08-17-2001).]
post #197 of 10626
Quote:


Originally posted by Bob Hess:
We can discuss via private email if you wish
- Bob

Bob,

Thanks for the reply and info, as always.

Private message in your box. (You must check more often than I).

Thanks,
Tim
post #198 of 10626
Tim, you are the man with the plan! Thanks!

------------------

Todd

The HT-2-B
post #199 of 10626
It appears that WMUR, Manchester, NH is back on the air.
Broadcasting on channel 59 (but instead of virtual channel 9-1, I got them at channel 70-1). Appears they're testing new equipment. From the signal strength, it appears they're close to full power. Much, much stronger than WENH to the east (in Deerfield, NH). Also WENH is still at Construction Permit power, and has to "contend" with analog channel 57 from Springfield, MA).

Point your rotors towards Manchester, NH, and have a look-see.

Also I'm still able to get WGBY-DT channel 58 from Springfield, MA. Its very weak (they're only 30kw), and although it is on 10am to 11pm, I find it is best to try from 9pm - 11pm, when digital WENH channel 57 is off the air.

Note: I guess we have to be considered a FCC DTV beta test area: low power adjacent channels, analog/digital co-channels, lots of hills for multipath, "overlapping allocation" [channel 19], etc. [On the otherhand, maybe we can get Bob Hess to write: "DTV for Pioneers".]
post #200 of 10626
Jim,

Tried 59 (9-1 on the DST-3000) and get about 30 strength.

Flipped to 57-1 and there (after 9PM typical curfew) if the Washinton Met Le Cid.

Pretty spectacular, even for a non-opera lover like me. It's good to have a PBS affilite that cares, even if WGBH doesn't.

Tim
post #201 of 10626
I am receiving WMUR 70.1 very clearly, but alas my Sony HD-100 doesn't pick up any sound. Anybody else experiencing the same ?

Has this been a problem with other stations in the past ? I assume that this is a broadcast problem.

Why have they chosen to stretch the image ?

Bob
post #202 of 10626
Just called Stark Electronics and ordered:

Channelmaster 3023 (according to sales guy it's the same as 4028, just easier to ship)

Channelmaster 7775 pre-amp (according to sales guy, it has less noise than the AP-4800)

and a Jointenna.

They should arrive tomorrow. Weather permitting, I'll have these up by the end of the week. Of course, you'll be hearing the unfolding drama here.

------------------

Todd

The HT-2-B
post #203 of 10626
Hi,

Since about 9 or so this morning I am unable to pick up WFXT. Is anyone getting a signal? I normally get 83-85 signal strength on a DISH 6000, and i was getting it at around 7 but havent been able to pick up since.

Also with a CM 3021, I can now get intermittent signal on ch 59 (WMUR-DT). I so want to get ch 57 (WENH) but I am in a south facing apt right on the junction of I-90 and Rte 9 in Framingham and so I think i need a pre-amp and a bigger antenna.

Sal
post #204 of 10626
Quote:


Originally posted by tdemelle:
Just called Stark Electronics and ordered:

Channelmaster 3023 (according to sales guy it's the same as 4028, just easier to ship)

Channelmaster 7775 pre-amp (according to sales guy, it has less noise than the AP-4800)

and a Jointenna.


Just in case you feel you'll need to go higher...
You-Do-It in Needham has tripods and 10 ft poles.
Sometimes they have the "thicker" poles (ask for the "satellite poles").
Besides rotating the antenna for best signal, also try adjusting the height. Sometimes a few inches up or down can make a difference!

Try also getting Manchester's WMUR-DT digital 59 (fairly strong) now that they're back, as well as analog channel 50 in Derry.

Good Luck!
post #205 of 10626
For the second week in a row, I've heard no sound during commercial breaks while watching NYPD Blue on WCVB-DT (maybe I shouldn't be complaining!). Everytime it cut back to the network 720p feed, sound came back. Anyone have the same problem?

I've got a Mitsu SR-HD400 coupled to a Denon AVR-1800 A/V receiver. Audio encoding on the Denon is set to automatic. My receiver sees and decodes the DD 5.1 signal properly, as far as I can tell. I have no problems on other channels, even when HBO-HD broadcasts a movie with DD 5.1.

I'm assuming that WCVB leaves their commercial breaks in Pro Logic - no sense in investing money in a 5.1 transcoder(?) if it's not needed just yet. My Denon has no trouble switching decoding formats on the fly when I'm watching DD 5.1 or DTS encoded DVDs (most all DVD menues I've seen have Pro Logic sound - or at least that's what my receiver says it sees). So is it a problem with the broadcast signal, my SR-HD400 DTV tuner, or my A/V receiver?

Any ideas?


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Â*Â*Â*Â*Â*|>
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Â*Â*Â*Â*/|Â*\\
Â*Â*Â*/Â*|__\\
Â*Â*/__|____
Â*Â*\\_ ___ _ \\

Jon Gauthier
"If I'm not sailing I'd rather be watching sailing in HD!" - Me
post #206 of 10626
I've secured my new antenna to the mast my old antenna has been on. Now I've got these two antennas and a couple dishes on the same mast.

The old antenna runs into the jointenna. The new antenna runs into the pre amp which runs into the jointenna. The jointenna runs inside to the interior component of the pre-amp and then to my receiver.

Since I don't have a compass immediately handy, I aimed the new antenna more or less by eye. My townhouse faces dead north and the tower is just a couple degrees west of north, which is where I aimed the antenna. Unfortunately, the mighty oak that grows in front of my building lies directly in the path of the signal. There is no reasonable way around that.

My dish signals are working fine, and I am able to pull in OTA signals from FXT and the Needham tower *until* I plug in the pre-amp at which time, the signals drop off to nothing. I am unable to pick up 57 Digital at all. No signal whatsoever.

Any ideas?

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Todd

The HT-2-B
post #207 of 10626
a little more info:

with the pre amp plugged in, I can pick up

WBZ 4

WMUR 9 (looks like 4:3 stretched to 16:9)

The channels I normally get from the Needham tower seem to pulse from around 50% to 0% (where without the preamp plugged in, they come in very strongly -- over 90%)

With the pre-amp plugged in I do get analog 50 and a very faint signal on analog 57.

Any guidance is appreciated.

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Todd

The HT-2-B
post #208 of 10626
one more bit of information... with the pre-amp plugged in, now I am getting pulsing signals from 57 digital... much like what I get from the channels I normally get without the preamp... rhythmically up to 50% down to 0% up to 50% down to 0%. It's not enough to get a lock. (I presume I am seeing this now as it is after 7pm?)

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Todd

The HT-2-B
post #209 of 10626
Todd,

Posted to the other thread, but positioning also made a big difference for me to eliminate pulsing as well.

Tim
post #210 of 10626
Todd,

NHPTV (WENH-DT) Channel 57 is normally only on 7pm-9pm weekdays, 1pm-9pm on weekends.

It is still low-power so you do have to be very precise in aiming your antenna. Try removing the Jointenna and just concentrate on getting Channel 57. There is some signal loss with the Jointenna. [I have a Jointenna but am using it to join the amplified UHF (i.e. pre-amp out to the "DC pass " leg) along with a VHF antenna to the other leg.

Also what settop box do you have?
The DTC-100 is very multipath sensitive, the Panasonic DST-50/51 are better, and the Dish 6000's 8VSB is much better, and it looks like the next generations well be even better still. And for digital we've learned it isn't just a matter of signal strength, it is also a matter of getting a stable signal with low multipath.

Because the distance and low-power of both PBSs (channel 57 in New Hampshire, and channel 58 in Springfield), we need the big antennas, and 28db preamps, but they are easily overloaded if they are pointed near Needham. [either front or back!]

Go back through some of the earlier posts in this thread...there are a lot of different situations we've had to overcome (especially when Channel 30 was low power.)

--Jim
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