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Forum: Local HDTV Info and Reception   03-13-2004, 03:58 PM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
Chezpaul, first of all on the vertical line...

Chezpaul, first of all on the vertical line issue...
The fact that it appears as a static line within the video frame means it was synchronous with the AC line frequency, 60Hz. A hint that suggests...
Forum: Local HDTV Info and Reception   03-11-2004, 08:32 PM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
Gary, the same mantras have been repeated...

Gary, the same mantras have been repeated numerous times in this thread. It's just hard to pick them out with so many posts. Many "pilgrims" have come in with questions for a few weeks, then dropped...
Forum: Local HDTV Info and Reception   03-11-2004, 03:38 PM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
This thread just keeps on going! Having read...

This thread just keeps on going!
Having read the last few pages, I few general comments about the KABC and KCAL reception in south Orange County. I am in Lake Forest, above El Toro Road at Trabuco,...
Forum: Cable, Digital Cable - Non-HDTV   03-09-2004, 11:31 AM
Replies: 130
Views: 8,543
Posted By GaryJC
Besides the CBS network feed, Viacom can stuff...

Besides the CBS network feed, Viacom can stuff the other crap they offer. I have zero interest in their junk channels. I realize it's a matter of personal preference, but you can bet that all...
Forum: Local HDTV Info and Reception   11-25-2003, 12:57 PM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
Commenting on two of the above posts... ...

Commenting on two of the above posts...

Regarding multipath and wind:
Multipath involves reflections from stationary objects that are offset from the direct line-of-sight to the transmitter....
Forum: Local HDTV Info and Reception   10-27-2003, 10:41 AM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
You bring up several good points. When just a...

You bring up several good points. When just a few inches can make such a big difference, a neighbor's results will not necessarily be a good predictor of one's reception. I remember other local O.C....
Forum: Local HDTV Info and Reception   10-26-2003, 07:05 PM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
Is Star Trek Enterprise still being filmed?...

Is Star Trek Enterprise still being filmed? That's the only way they could broadcast anything in HD...

xcrappy - You gotta try a roof antenna outside the attic! At least TRY IT to see what you're...
Forum: Local HDTV Info and Reception   10-18-2003, 12:54 AM
Replies: 21
Views: 1,202
Posted By GaryJC
At 50 miles, you should try a pre-amp. A good...

At 50 miles, you should try a pre-amp. A good performer is the ChannelMaster 7775 UHF-only pre-amp (22dB gain).

The Radio Shack 15-1171 mentioned above has similar performance, but requires an AC...
Forum: Local HDTV Info and Reception   10-18-2003, 12:21 AM
Replies: 56
Views: 2,284
Posted By GaryJC
Should I use another Silver Sensor or three? I...

Should I use another Silver Sensor or three? I remember seeing a crazy DIY antenna array built from PVC. Can't find it.

It's in this thread......
Forum: Local HDTV Info and Reception   06-13-2003, 11:42 AM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
It's clear that RS dropped the ball in the...

It's clear that RS dropped the ball in the design of the 15-1109. It looks like the gain falls off sharply in the UHF mid-50 channel range. Looking at my table above, UHF channel 59-KCET and above...
Forum: Local HDTV Info and Reception   06-12-2003, 06:15 PM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
Andy, You're probably right. I just remember...

Andy,
You're probably right. I just remember that the Channel Master amp is supposed to have 4dB less gain than the RS one. Maybe the gain figures for both amps are true, except the 7775 has a...
Forum: Local HDTV Info and Reception   06-12-2003, 03:57 PM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
Nice mounting job, Rob! Your antenna looks like...

Nice mounting job, Rob! Your antenna looks like it's protected from the wind...

UPDATE ON PRE-AMP UPGRADE...

I just swapped out my Radio Shack 15-1109 wide band pre-amp. I replaced it with a...
Forum: Local HDTV Info and Reception   05-31-2003, 10:53 AM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
Tom, my guess is channel 7.2 will be the KABC...

Tom, my guess is channel 7.2 will be the KABC Hispanic SAP broadcast, same video as 7.1. That seems to be the pattern for other locals offering SAP. Your KABC reception is another example that we...
Forum: Local HDTV Info and Reception   05-30-2003, 07:50 PM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
I haven't looked at this thread in quite a...

I haven't looked at this thread in quite a while. Since I haven't received any "Reply to post" e-mails from AVS in months, I assumed the thread was inactive. WRONG! Was I surprised last night when I...
Forum: Local HDTV Info and Reception   02-09-2003, 10:19 PM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
Your San Diego station results are encouraging....

Your San Diego station results are encouraging. The signals will almost always improve with elevation. Are those S.D. major network stations? You mainly want to get the primetime network shows that...
Forum: HDTV Technical   02-07-2003, 05:23 PM
Replies: 21
Views: 1,023
Posted By GaryJC
You hit the nail on the head! I noticed that my...

You hit the nail on the head! I noticed that my 75-01 and 75-02 were duplicated as 05-01 and 05-02.

I have worked in microprocessor-based electronics design for years. If I've learned anything,...
Forum: Local HDTV Info and Reception   02-05-2003, 06:04 PM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
Plus Cox won't be anxious to burn valuable...

Plus Cox won't be anxious to burn valuable bandwidth carrying free local channels in HD when they could use that bandwidth to sell sell valuable premiums!

Also you will discover that OTA SD has...
Forum: Local HDTV Info and Reception   02-04-2003, 11:30 PM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
Andy, That antenna is a Televes DAT-75, made...

Andy,
That antenna is a Televes DAT-75, made in Spain. It has a relativly high gain, 19dB, and there's an optional 17dB preamp that can be installed in the antenna "head". I didn't buy the pre-amp,...
Forum: Local HDTV Info and Reception   02-04-2003, 05:48 PM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
Andy, I edited my last message above to add a...

Andy,
I edited my last message above to add a photo that shows my mounted antenna. You can see the concrete tile roof that makes ladder climbs exciting. The ladder rails aren't ideally spaced for...
Forum: Local HDTV Info and Reception   02-04-2003, 03:55 PM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
Andy, As Gary points out, the attic mount...

Andy,
As Gary points out, the attic mount causes severe signal loss. In my case, the antenna in the attic was not pointing through roof tiles, it was pointed through an exterior stucco wall. Stucco...
Forum: HDTV Technical   02-04-2003, 03:26 PM
Replies: 21
Views: 1,023
Posted By GaryJC
Thanks for the reply. It must be a bug that...

Thanks for the reply. It must be a bug that appeared in a recent firmware download.

Mine was working fine until a month ago or so. My DTV ch75 was remapped to the analog channel number and I was...
Forum: HDTV Technical   02-04-2003, 01:30 PM
Replies: 21
Views: 1,023
Posted By GaryJC
I experienced an unusual problem with my Dish...

I experienced an unusual problem with my Dish 6000 receiver. After mounting a new antenna, I wanted to add any new stations.

1. I went into Menu to perform a DTV station scan -- MENU, System...
Forum: Local HDTV Info and Reception   02-02-2003, 10:03 PM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
I understand your sensitivity to neighborhood...

I understand your sensitivity to neighborhood concerns. I delayed deployment of my larger DAT-75 antenna while I pondered mounting alternatives. I have a convenient location on the front of the roof...
Forum: Local HDTV Info and Reception   02-02-2003, 11:46 AM
Replies: 9,543
Views: 1,166,809
Posted By GaryJC
Andy, Welcome to the thread! Probably...

Andy,
Welcome to the thread!

Probably most of us are the HDTV pioneers in our neighborhoods. There's a saying, "The pioneers get all the arrows."

While association CC&Rs cannot prohibit roof...
Forum: HDTV Technical   01-26-2003, 12:49 PM
Replies: 1
Views: 142
Posted By GaryJC
I have a Dish 6000 that I use for both satellite...

I have a Dish 6000 that I use for both satellite and OTA reception.

A friend recently bought a 65" Sony RPTV and asked about his receiver options for strictly OTA. He's a Dish customer, but...
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