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high definition over the air TV
Domino
#1 Posted : Monday, May 19, 2008 7:51:52 AM(UTC)
Domino

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I live in metro Detroit and can pick up 9 HDTV channels over the air.

I have a Pinnacle Systems PCTV HD Stick TV Capture Device for my Windows Vista Computer . I have a SHAKESPEARE Omni-Directional Marine TV Antenna System and I get better resolution, although smaller screen, than my HD TV at home. I may buy a small HD TV when the prices come down. But this set up works fine for now.

Our marina now has wireless internet, so I am well set for the time I spend on the boat at the marina.

I also can hook up an I-pod, or SD card or jump drive into my boats radio and stero system.

The UBS port in the radio allows me to hook an external hard drive with my music library on it.

With the high gas prices, time at the dock will be more enjoyable. :d/
Domino is on the hard @ Pier 500 Marina, Wyandotte, Michigan
** 67 32' Express
** Ford 302's
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jsimanella
#3 Posted : Monday, May 19, 2008 3:42:05 PM(UTC)
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I use bluetooth, from my laptop, cell phone, and/or PDA (now Blackberry), to stream music to a Motorola DC800 audio device. It plugs into the RCA jacks on my boat's stereo, using a 12v mini-USB cord. The devices can be found cheap on ebay:

http://search.ebay.com/m...QQ_trksidZm37QQfromZR40

Wireless, Baby ;)

John
--
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Twin 360s, Rebuilt 2006
Modified/Original Electronic Ignition
Raw Water Cooled
Catawba Island, Ohio
dougrose
#4 Posted : Tuesday, May 20, 2008 2:37:15 AM(UTC)
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I bought the admiral a gadget that plugs into a cigarette-lighter plug and takes either a USB or SD memory card and transmits the music contained thereon to an FM radio. I know this sounds weird, but she travels on business a lot, and she can plug the thing into any rental car and have her own music along. We can convert any CD to the MP3 format and put it onto the card, and the whole thing fits in a pocket.

Should be able to use it on the boat, too. Last trip I installed a stainless cigarette lighter socket, $15 ripoff from West, so I could charge the cell phone, and it should work through the radio with no changes to my current setup:

http://www.cyberguys.com...ail.asp?productID=11877

Now this is even stranger: I just got a new Nokia 6133 cellphone, with a 2 GB mini-SD card, and IT will transmit music over Bluetooth. So all I would need is the Bluetooth to radio adapter. I should give it a try.


1975 32' Flybridge Sedan, twin Perkins 6-354 diesels, 1:1.53 velvetdrives, 16 X 19 props. Merritt Island, Florida
Domino
#5 Posted : Tuesday, May 20, 2008 5:41:55 AM(UTC)
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Doug,

How is the fidelity?

I have never been impressed with the sound from FM transmitters to car or boat radios. Always sound very tinny
Domino is on the hard @ Pier 500 Marina, Wyandotte, Michigan
** 67 32' Express
** Ford 302's
dougrose
#6 Posted : Wednesday, May 21, 2008 7:04:49 AM(UTC)
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Al,

Seems fine to me - but I have lost a lot of my high-frequency hearing. I understand that there is a loss in quality in going from CD to MP3 files. Liz, who is very musical and has excellent hearing, can hear the difference. The Crew can't be peeled away from MP3 music, so I guess it works for teenagers.

Doug


1975 32' Flybridge Sedan, twin Perkins 6-354 diesels, 1:1.53 velvetdrives, 16 X 19 props. Merritt Island, Florida
GB49
#7 Posted : Thursday, May 22, 2008 12:30:45 AM(UTC)
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CD to MP3 depends on the bitrate. Default is 128 kbit/s which is acceptable unless you have an elaborate/expensive audio system where you can hear a difference.
You can go higher like 256 kbit/s but I've found distortion and high volume problems with that rate.

Most of us wont be able to tell the difference from CD to MP3 at 128 kbit/s, imo.

-Karl
1986, 32' Sedan, twin 360ci, 275hp Chrysler's w/ K&N flame arrestors
dougrose
#8 Posted : Thursday, May 22, 2008 12:48:06 AM(UTC)
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Karl -

Thanks for the info. I use iTunes to convert to MP3, and like everything Apple it just does stuff without telling you what's going on. Should be OK with the pair of 6" (magnetically shielded) speakers that I have installed in the boat. I don't know about the FM link but FM is pretty good fidelity and should be as good as the speakers or MP3 encoding. I'll let you know how it sounds when I get a chance to try it --

While we are on this topic, I would like to put a TV antenna up, and I was thinking that since most (Analog channel 2 in central Florida is now digital channel 11) of the new digital stations are UHF, wouldn't it make sense to use a UHF-only antenna? Should be smaller, since they are sized by wavelength. I was thinking of one of those flying-saucer things with an amplifier in it. Anybody have experience with this stuff?

Doug


1975 32' Flybridge Sedan, twin Perkins 6-354 diesels, 1:1.53 velvetdrives, 16 X 19 props. Merritt Island, Florida
GB49
#9 Posted : Thursday, May 22, 2008 4:10:53 AM(UTC)
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The antenna does not matter with HDTV. The carrier frequency is the only thing the antenna cares about. The information ,digital TV, that rides on the carrier is irrelevant. All that wonderful stuff goes through a DAC (digital to analog converter in the TV.

I got one of those Shakespeare UFO antennas from West Marine a while back and I expect it to work fine with the new digital TV I'm about to purchase.

I would however make sure the antenna can receive both UHF and VHF signals.

-Karl
1986, 32' Sedan, twin 360ci, 275hp Chrysler's w/ K&N flame arrestors
Domino
#10 Posted : Thursday, May 22, 2008 9:02:36 AM(UTC)
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SeaWatch® Style 2020-G
Off-air TV


The ideal smaller marine TV antenna where styling and size are controlling factors. Perfect for close-in, or stronger signal areas. System includes antenna with built-in preamp, AC/DC power supply, 30ft of ultra low loss RG-59 coax cable, and gold-plated, screw-on F-type connectors. Built-in 1in-14 thread ferrule.


Omnidirectional antennas capture VHF, UHF, and FM point of the compass without aiming the antenna.
14-inch diameter
Sleek and attractive
110vAC or 12/24 DC power
Digital HDTV-ready
Best applications include: boats or RV's

I paid $150 at my local boating supply store.

Works great for over the air HD
Domino is on the hard @ Pier 500 Marina, Wyandotte, Michigan
** 67 32' Express
** Ford 302's
jsimanella
#11 Posted : Thursday, May 22, 2008 9:45:05 AM(UTC)
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I used this one, though I can't recall where I bought it. It seems to be of better quality than the Shakespeare's (I have had both), and is definately "Digital Ready".

http://www.cyber-bridge-...ectional%20TV%20Antenna

In Detroit, coverage should be good, but most of us already know that the TV stations aim their signals where the people are, and that's not on Lake Erie's shoreline. Coupled with the fact that the highest you might achieve is about 10-12' above the water, and you are going to suffer...

With digital, they are talking about amp'ing up the wattage, and it's go or no-go on the picture (no static), so milage may vary. While I have Dish @ the dock, I will definately be trying the OTA digital next season.

John
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Twin 360s, Rebuilt 2006
Modified/Original Electronic Ignition
Raw Water Cooled
Catawba Island, Ohio
marinettejoe
#12 Posted : Thursday, May 22, 2008 1:09:34 PM(UTC)
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I don't yet have an HD (off boat) on it yet. Not quite
Unzinced ships sink at slips. yep
dougrose
#13 Posted : Friday, May 23, 2008 2:43:29 AM(UTC)
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Karl -

I understand that the antenna doesn't care what kind of encoding is in the signal, and I know a bit about the encoding scheme used with the digital TV -- but I wonder why you recommend keeping the VHF? I thought that the VHF frequencies would be auctioned off for other uses, and virtually all of the digital stuff is on UHF. Won't VHF just disappear?

The only reason I care is that VHF TV antennas are bigger, and I don't want to put something large up that I won't need.

As for FM, I have one of those boxes that extracts FM from the Marine VHF whip antenna. It is a disappointment, and I will switch to another antenna given the chance.

The SeaWatch looks OK, and I guess the exchequer can afford $100.

The Glomex looks better, so I will have to see if I can steal another $80 from the food money.

Thanks, guys. You have saved me a ton of footwork....

Doug




1975 32' Flybridge Sedan, twin Perkins 6-354 diesels, 1:1.53 velvetdrives, 16 X 19 props. Merritt Island, Florida
jhall767
#14 Posted : Friday, May 23, 2008 3:04:34 AM(UTC)
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dougrose wrote:
Karl -

I understand that the antenna doesn't care what kind of encoding is in the signal, and I know a bit about the encoding scheme used with the digital TV -- but I wonder why you recommend keeping the VHF? I thought that the VHF frequencies would be auctioned off for other uses, and virtually all of the digital stuff is on UHF. Won't VHF just disappear?

The only reason I care is that VHF TV antennas are bigger, and I don't want to put something large up that I won't need.

As for FM, I have one of those boxes that extracts FM from the Marine VHF whip antenna. It is a disappointment, and I will switch to another antenna given the chance.

The SeaWatch looks OK, and I guess the exchequer can afford $100.

The Glomex looks better, so I will have to see if I can steal another $80 from the food money.

Thanks, guys. You have saved me a ton of footwork....

Doug




From my local electronics store they are only selling off part of the VHF band. VHF will still be used. I think the following is accurate. They will drop VHF Low which is channels 2-6. You will still need VHF reception for VHF High (7-13). However these channels are closer in frequency to UHF and may or may not work on a UHF antenna. Or I'm completely off. Even the geeks at the store told me they thought they wouldn't need VHF anymore but they found out differently. So I am pretty sure that you still need VHF.

John
GB49
#15 Posted : Friday, May 23, 2008 3:12:31 AM(UTC)
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According to what I've been seeing in an advertisement scrolling at the bottom of my tv on one particular station they claim most but not all TV stations will be moving to hdtv. Some will be staying where they are.

-Karl
1986, 32' Sedan, twin 360ci, 275hp Chrysler's w/ K&N flame arrestors
jralbert
#16 Posted : Friday, May 23, 2008 4:41:28 AM(UTC)
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All stations, Karl, won't be going to HDTV -- they will be going to digital. If the current schedule holds, that will take place next Feb. It will probably be delayed because stations can't get the equipment fast enough and there aren't enough tower riggers to install the digital antennas.

On the new channel assignments, stations will be able to squeeze in multiple channels by compressing the digital info. That is a potential bonanza for a TV station that now will be able to have mutiple channels. However, if they go HD they won't be able to broadcast all those channels because HD takes up more bandwidth -- it's fatter and thus doesn't leave as much room in the signal pipe. Stations will have an interesting dilemma/option: Have more channels and potentially more revenue or HD and give the audience stunning pictures.

Right now, many stations are broadcasting 16:9 (widescreen) digital signals. In our market (Washington, DC), all the major stations have multiple channel digital output. NBC's local station does its regular broadcast on digital channel 4-1, Weather Plus on 4-2, a shopping channel on 4-3. The educational station has 4 feeds.

If you have a new TV set with a digital tuner you can get them...or you can use those analog to digital converter boxes that the government issued $40 discount coupons for. The picture quality is amazingingly good. HD is even better.
Joel Albert, Potomac MD
"Charlie B" - 1988 32' FBS
Twin 318's/FWC/16x15 nibral props
docked Deale, MD
dougrose
#17 Posted : Friday, May 23, 2008 7:41:31 AM(UTC)
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I've been all over the FCC website but they say nothing about VHF TV. They do say that "some" of the TV allocation is going to wireless this and that, but aside from some channels at the high end of UHF they don't say what.

They do have an interesting chart of frequency allocations at http://www.ntia.doc.gov/osmhome/allochrt.pdf but it is for existing allocation, not what it will look like in the future.

Anyway, I just wanted to avoid a big antenna on board, and it looks like either of the two units already presented will fill the bill.


1975 32' Flybridge Sedan, twin Perkins 6-354 diesels, 1:1.53 velvetdrives, 16 X 19 props. Merritt Island, Florida
SORRYDOG2
#18 Posted : Saturday, May 24, 2008 12:59:05 AM(UTC)
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OK I admit I'm not the brightest bulb. Am still a little cornfused. I've got about 7-8 dock I store my boats on tat I sell, Inow plug in old tv's and leave them on day and nite just so people think some ones on board. Is there going to be a cheap box to plug each one into kinda like the rabbit ears I sometimes now use, that pick up 6 channels? Also have Dish on boathouse, but some docks are down the road 900 ft or so. Sorrydog
dougrose
#19 Posted : Monday, May 26, 2008 1:39:39 PM(UTC)
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I don't know what you mean by cheap, I paid $350 some years ago for a box that converts the HDTV signals to work (via S-video cable) with my ancient 35" RCA TV. The boxes should be cheaper now, I think around $100, and the gummint will give you $40 against your first one.

These things are generically known as "set top boxes" and can convert HDTV from an antenna to something that works on your old analog TV, just like cable boxes convert the cable signal for your analog TV. I found one for $140, at http://sewelldirect.com/...al-HDTV-Set-Top-Box.asp but oddly they don't seem to have them at Radio Snack or Circus City even tho they were supposed to be cheap by now.

The signals are supposed to change over next February and you will need one of these for each old TV, unless something happens. You shouldn't need to change antennas.


1975 32' Flybridge Sedan, twin Perkins 6-354 diesels, 1:1.53 velvetdrives, 16 X 19 props. Merritt Island, Florida
jralbert
#20 Posted : Monday, May 26, 2008 4:11:21 PM(UTC)
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if you're getting 6-8 stations with rabbit ears on the boat now, that setup should be ok for the future with just one addition, the digital converter box. They are running about 60 to 80 bucks and, as Doug noted, you can get a coupon from the govt worth $40. Actually, 2 coupons.

I just helped a friend install one last wk. Easy job. Tip: buy a converter that has an analog pass thru. Some markets have low power stations that will remain analog past the Feb 09 deadline. With the pass thru you will be able to receive these stations until they, too, must go digital.

As I noted, in our market, some stations already have a digital signal. Much better picture, especially the ones that broadcast that digital channel in widescreen (16:9). Once you see the picture, you'll want to go out and buy a new set. Of course, if you do buy a set with a digital tuner, you will not need the converter box.
Joel Albert, Potomac MD
"Charlie B" - 1988 32' FBS
Twin 318's/FWC/16x15 nibral props
docked Deale, MD
SORRYDOG2
#21 Posted : Monday, May 26, 2008 11:42:43 PM(UTC)
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Looking into it all, May go back to just leaving radios on. 20 years ago had breakin at local Marina my boat was in,both boats on each side of me were broken into. I have been leaving radios on since the 70's and had mine on that night. Works well. If tv is used close blinds so they cant see in and can only see light flashes. Thanks Guys
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