PRC as a amplifier in GPS question.

[Sylvia Else]

Sir John Howard wrote:

Sylvia Else wrote:
Sir John Howard wrote:
Sylvia Else wrote:
Sir John Howard wrote:

Which is something I can't use where I am.

What's stopping you?

If I point it at Nein's aerial, the 2's one will be off to the side.
So will 7's.

Say, where is 10's and SBS's in Sydney?

You could use more than one.

How do you deal with signal interference between the two?

With sufficiently directional antennas, there should be little of that.

Sylvia.

 

[Alan Rutlidge]

"TG'sFM" <suvvdj@yahoo.fr> wrote in message
news:0af1f558-95df-413d-ac4c-78781c2e2e82@p36g2000prp.googlegroups.com...
On Jan 18, 4:08 pm, "Phil Allison" <philalli...@tpg.com.au> wrote:

"Totally Gutless Fucking Moron

"Phil Allison"



Sillier than Anyone Else

And the solution is a higher gain antenna, which will be more
directional.

How can you assume that a higher gain antenna will be more
directional?

** In the case of TV antennas sold for use in places like Sydney - that
WILL be the case.

For example, his current antenna could be a simple 1/4
wave 3db gain diopile

** False example.

That is not a TV antenna anyone in Sydney would use.

Sorry to burst your bubble Phil,

** Go fuck yourself - bloody imbecile.

but I live in Sydney, and my usb HD
TV Tuner does have a 1/4wave 3db vertical magnetic based antenna.

** Utterly FALSE example in this context.

Piss off - MORON.

..... Phil

What an enlightening comeback. Abuse, death threats, and yet
absolutely nothing to support your theory that nobody in Sydney has a
dipole antenna. It must be embarrassing being you right now, Phil.

Comeback? Did the little bleeder ever leave?
If he left permanently we'd have no resident expert toaster repairer.

 

[Jasen Betts]

On 2009-01-18, TG'sFM <suvvdj@yahoo.fr> wrote:

How can you assume that a higher gain antenna will be more
directional? For example, his current antenna could be a simple 1/4
wave 3db gain diopile and you could upgrade to a 5/8 wave 5db gain
diopile and although the new antenna is a higher gain antenna, it is
no more directional.

you appear to have forgotten that "up" is a direction.

the 5/8 diole is more directional. it concentrates closer to the
horizon. (that'll help chopper-bourne multipath)

 

[dmm]

On Sun, 18 Jan 2009 16:29:55 +1100, Sir John Howard <sirjohnhoward@gmail.con> wrote:

Sylvia Else wrote:
Sir John Howard wrote:

Which is something I can't use where I am.

What's stopping you?

If I point it at Nein's aerial, the 2's one will be off to the side. So will 7's.

From your location, approximately how many degrees are there between the 3 antennas?

Say, where is 10's and SBS's in Sydney?

 

[Sir John Howard]

dmm wrote:

On Sun, 18 Jan 2009 16:29:55 +1100, Sir John Howard <sirjohnhoward@gmail.con> wrote:

Sylvia Else wrote:
Sir John Howard wrote:
Which is something I can't use where I am.
What's stopping you?
If I point it at Nein's aerial, the 2's one will be off to the side. So will 7's.

From your location, approximately how many degrees are there between the 3 antennas?

Beats me. Here's a link to Google maps -
http://maps.google.com.au/maps?hl=en&ie=UTF8&ll=-33.819749,151.190672&spn=0.016936,0.023797&t=h&z=16

Nein's transmitter is just to the left of the word "more ..." at the top. 2's
transmitter is on the Pacific Highway, about 45 degrees down and to the left
(you'll need to zoom to see them. 2's crosses the highway). 7's is up in Epping
(I think). I'm down near the bottom right of the map. I'd say its somewhere
around 40 degrees.

--
"The Labour Party is corrupt beyond redemption!"
- Labour hasbeen Mark Latham in a moment of honest clarity.

 

[Phil Allison]

"Jasen Betts"

How can you assume that a higher gain antenna will be more
directional? For example, his current antenna could be a simple 1/4
wave 3db gain diopile and you could upgrade to a 5/8 wave 5db gain
diopile and although the new antenna is a higher gain antenna, it is
no more directional.

you appear to have forgotten that "up" is a direction.

the 5/8 diole is more directional. it concentrates closer to the
horizon. (that'll help chopper-bourne multipath)

** You both appear to have TOTALLY forgotten that TV signals in Sydney ( and
most places) are horizontally polarised.

So any "whip" type antenna must be mounted pointing horizontally.

It sure ain't fucking omnidirectional then.

IDIOTS !!!!!!



...... Phil

 

[atec77]

Phil Allison wrote:

"Jasen Betts"
How can you assume that a higher gain antenna will be more
directional? For example, his current antenna could be a simple 1/4
wave 3db gain diopile and you could upgrade to a 5/8 wave 5db gain
diopile and although the new antenna is a higher gain antenna, it is
no more directional.
you appear to have forgotten that "up" is a direction.

the 5/8 diole is more directional. it concentrates closer to the
horizon. (that'll help chopper-bourne multipath)



** You both appear to have TOTALLY forgotten that TV signals in Sydney ( and
most places) are horizontally polarised.

So any "whip" type antenna must be mounted pointing horizontally.
you wish toaster boy , at right angles it still functions at most

locations

It sure ain't fucking omnidirectional then.
neither is your opinion but you keep inflicting it every time a wrongun

IDIOTS !!!!!!
and your a wanker

do you have a point philthy ?

...... Phil

 

[Sylvia Else]

Sir John Howard wrote:

dmm wrote:
On Sun, 18 Jan 2009 16:29:55 +1100, Sir John Howard
sirjohnhoward@gmail.con> wrote:

Sylvia Else wrote:
Sir John Howard wrote:
Which is something I can't use where I am.
What's stopping you?
If I point it at Nein's aerial, the 2's one will be off to the side.
So will 7's.

From your location, approximately how many degrees are there between
the 3 antennas?

Beats me. Here's a link to Google maps -
http://maps.google.com.au/maps?hl=en&ie=UTF8&ll=-33.819749,151.190672&spn=0.016936,0.023797&t=h&z=16


Nein's transmitter is just to the left of the word "more ..." at the
top. 2's transmitter is on the Pacific Highway, about 45 degrees down
and to the left (you'll need to zoom to see them. 2's crosses the
highway). 7's is up in Epping (I think). I'm down near the bottom right
of the map. I'd say its somewhere around 40 degrees.

It appears that Nine's transmitter is at 33°48'41.64"S 151°11'45.57"E
Seven and Ten share a transmitter tower at 33°48'19.90"S 151°10'50.82"E
ABC and SBS share a transmitter tower at 33°49'12.29"S 151°11'5.84"E

I'd have thought you could get all except Nine with one antenna, and
Nine with another, with enough angle between them for interference
effects not to be important.

It would, of course, have been much too difficult for the government of
the day to legislate requiring that all transmissions take place from
the same mast, paid for by all of them.

I lived in Paris for a while. They never had a problem there. It was
always obvious what would be used for the transmitting antennas.

Sylvia.

 

[Sir John Howard]

Sylvia Else wrote:

Sir John Howard wrote:
dmm wrote:
On Sun, 18 Jan 2009 16:29:55 +1100, Sir John Howard
sirjohnhoward@gmail.con> wrote:

It appears that Nine's transmitter is at 33°48'41.64"S 151°11'45.57"E
Seven and Ten share a transmitter tower at 33°48'19.90"S 151°10'50.82"E
ABC and SBS share a transmitter tower at 33°49'12.29"S 151°11'5.84"E

I thought ABC and SBS shared the same tower. But why is that I can pick up all
the ABC channels but none of the SBS ones?

I'd have thought you could get all except Nine with one antenna, and
Nine with another, with enough angle between them for interference
effects not to be important.

Without the booster, I can get all the digital channels OK except for SBS. With
the booster I can get SBS and all the south coast channels (I suspect the SBS
I'm getting is the south coast signal).

It would, of course, have been much too difficult for the government of
the day to legislate requiring that all transmissions take place from
the same mast, paid for by all of them.

Of course.

I lived in Paris for a while. They never had a problem there. It was
always obvious what would be used for the transmitting antennas.

--
"The Labour Party is corrupt beyond redemption!"
- Labour hasbeen Mark Latham in a moment of honest clarity.

 

[Phil Allison]

"Sir John Howard"

I thought ABC and SBS shared the same tower. But why is that I can pick up
all the ABC channels but none of the SBS ones?

** SBS alone is on UHF - dickhead.

All the others are on VHF.





...... Phil

 

[Davo]

Sylvia Else wrote:

I lived in Paris for a while. They never had a problem there. It was
always obvious what would be used for the transmitting antennas.

Sylvia.

I suppose that now they have satellite TV they can get rid of that ugly
tower in the centre of Paris.

 

[Sylvia Else]

Sir John Howard wrote:

Sylvia Else wrote:
Sir John Howard wrote:
dmm wrote:
On Sun, 18 Jan 2009 16:29:55 +1100, Sir John Howard
sirjohnhoward@gmail.con> wrote:

It appears that Nine's transmitter is at 33°48'41.64"S 151°11'45.57"E
Seven and Ten share a transmitter tower at 33°48'19.90"S 151°10'50.82"E
ABC and SBS share a transmitter tower at 33°49'12.29"S 151°11'5.84"E

I thought ABC and SBS shared the same tower. But why is that I can pick
up all the ABC channels but none of the SBS ones?

You need a different antenna for SBS in Sydney - different band. Some
antennas are actually dual band, but the one you have may not be.

I'd have thought you could get all except Nine with one antenna, and
Nine with another, with enough angle between them for interference
effects not to be important.

Without the booster, I can get all the digital channels OK except for
SBS. With the booster I can get SBS and all the south coast channels (I
suspect the SBS I'm getting is the south coast signal).

What frequency are you picking up SBS on?

Sylvia.

 

[Sylvia Else]

Davo wrote:

Sylvia Else wrote:


I lived in Paris for a while. They never had a problem there. It was
always obvious what would be used for the transmitting antennas.

Sylvia.



I suppose that now they have satellite TV they can get rid of that ugly
tower in the centre of Paris.

It would be an advance, but they'll probably retain their TV tower, and
con tourists into paying to go up it under the pretence that it's some
sort of monument.

Sylvia.

 

[Trevor Wilson]

"Sir John Howard" <sirjohnhoward@gmail.con> wrote in message
news:0181496f$0$15633$c3e8da3@news.astraweb.com...

Sylvia Else wrote:
Sir John Howard wrote:
I was reluctantly dragged into the digital TV era only last year when my
old CRT TV went on the fritz.

(Having been stung as an early adopter on many other occasions, I
thought I'd wait, as I suspected it was all just another fad!)

Anyway, it was good that I waited as I got a very nice LG with built in
tuner and hard disk with all the latest fad gadgets (no warm leatherette
but time shift, PiP, etc.) for under $2,000.

The TV itself is quite nice although it does get a little hot near its
top.

Anyway, while there's no more ghosting (and I can't really tell much
difference between HD and standard digital), I have noticed an annoying
problem with free to air reception.

If you were getting ghosting before, it sounds like your antenna is not
all that it should be.

I get ghosting because I'm in Wollstonecraft. Lots of signal reflection.
The added aerial for the Wollongong retransmitter works well but it looks
like its not needed for the local digital signals any more.

Digital eleminates the visual disturbance, but the effect is still there
in the signal, waiting to cause trouble.

Since signal reflection doesn't seem to affect digital signals, what would
cause helicopters passing overhead to interfere?

**Assuming you have a decent antenna, the next most important thing is to
use good quality (which does not mean expensive) coax. It MUST be quad
shield. I've found that replacing crap coax can solve many system problems
with DTV.


--
Trevor Wilson
www.rageaudio.com.au

 

[Sir John Howard]

Sylvia Else wrote:

Sir John Howard wrote:
Sylvia Else wrote:
Sir John Howard wrote:
dmm wrote:
On Sun, 18 Jan 2009 16:29:55 +1100, Sir John Howard
sirjohnhoward@gmail.con> wrote:

It appears that Nine's transmitter is at 33°48'41.64"S 151°11'45.57"E
Seven and Ten share a transmitter tower at 33°48'19.90"S 151°10'50.82"E
ABC and SBS share a transmitter tower at 33°49'12.29"S 151°11'5.84"E

I thought ABC and SBS shared the same tower. But why is that I can
pick up all the ABC channels but none of the SBS ones?

You need a different antenna for SBS in Sydney - different band. Some
antennas are actually dual band, but the one you have may not be.

If by that you mean UHF/VHF, the antenna handles that fine. Are all the digital
channels on UHF?

I'd have thought you could get all except Nine with one antenna, and
Nine with another, with enough angle between them for interference
effects not to be important.

Without the booster, I can get all the digital channels OK except for
SBS. With the booster I can get SBS and all the south coast channels
(I suspect the SBS I'm getting is the south coast signal).

What frequency are you picking up SBS on?

No idea, ny TV doesn't mention it. All I know its on digital channel 3 (and 30
etc. for the other SBS channels) but that's only with the signal booster turned on.

--
"The Labour Party is corrupt beyond redemption!"
- Labour hasbeen Mark Latham in a moment of honest clarity.

 

[Sir John Howard]

Trevor Wilson wrote:

"Sir John Howard" <sirjohnhoward@gmail.con> wrote in message
news:0181496f$0$15633$c3e8da3@news.astraweb.com...
Sylvia Else wrote:
Sir John Howard wrote:

Digital eleminates the visual disturbance, but the effect is still there
in the signal, waiting to cause trouble.
Since signal reflection doesn't seem to affect digital signals, what would
cause helicopters passing overhead to interfere?

**Assuming you have a decent antenna, the next most important thing is to
use good quality (which does not mean expensive) coax. It MUST be quad
shield. I've found that replacing crap coax can solve many system problems
with DTV.

At this point, I'm thinking of replacing the whole lot. Both the old antenna and
the coax cabling. Ideally, I'd like to get rid of the extra antenna we use for
the Wollongong retransmitter and the power booster for it.

My test on the weekend (where I turned off the booster) showed that all the
local Sydney signal were fine - except that there was no SBS. With the booster
on, I got SBS and all the crap south coast channels.

I'll probably call a technician and get an opinion.

Thanks to everyone for their advice.

--
"The Labour Party is corrupt beyond redemption!"
- Labour hasbeen Mark Latham in a moment of honest clarity.

 

[Sylvia Else]

Sir John Howard wrote:

Sylvia Else wrote:
Sir John Howard wrote:
Sylvia Else wrote:
Sir John Howard wrote:
dmm wrote:
On Sun, 18 Jan 2009 16:29:55 +1100, Sir John Howard
sirjohnhoward@gmail.con> wrote:

It appears that Nine's transmitter is at 33°48'41.64"S 151°11'45.57"E
Seven and Ten share a transmitter tower at 33°48'19.90"S 151°10'50.82"E
ABC and SBS share a transmitter tower at 33°49'12.29"S 151°11'5.84"E

I thought ABC and SBS shared the same tower. But why is that I can
pick up all the ABC channels but none of the SBS ones?

You need a different antenna for SBS in Sydney - different band. Some
antennas are actually dual band, but the one you have may not be.

If by that you mean UHF/VHF, the antenna handles that fine. Are all the
digital channels on UHF?

Except for SBS, the digital frequencies range from 177.5 MHz (Seven) to
226.5 MHz (ABC). SBS is on 571.5, so the Digital non SBS signals are
VHF, and the SBS is UHF.

I'd have thought you could get all except Nine with one antenna, and
Nine with another, with enough angle between them for interference
effects not to be important.

Without the booster, I can get all the digital channels OK except for
SBS. With the booster I can get SBS and all the south coast channels
(I suspect the SBS I'm getting is the south coast signal).

What frequency are you picking up SBS on?

No idea, ny TV doesn't mention it. All I know its on digital channel 3
(and 30 etc. for the other SBS channels) but that's only with the signal
booster turned on.

Can you receive analogue SBS with a clear picture without the booster?

Sylvia.

 

[Phil Allison]

"Sir John Howard"

If by that you mean UHF/VHF, the antenna handles that fine. Are all the
digital channels on UHF?

** Been answered - pal.

But just to LABOR the point:

Channel 2 digital = VHF 12

Channel 7 digital = VHF 6

Channel 9 digital = VHF 8

Channel 10 digital = VHF 11

SBS TV digital = UHF 34


The list applies to SD as well as HD signals - but it applies only to
Sydney.

Modern digital only TV antenna are quite small compared to the old types as
there is no need to cover the band below VHF 6.



....... Phil

 

[Sir John Howard]

Sylvia Else wrote:

Sir John Howard wrote:
Except for SBS, the digital frequencies range from 177.5 MHz (Seven) to
226.5 MHz (ABC). SBS is on 571.5, so the Digital non SBS signals are
VHF, and the SBS is UHF.

OK.

No idea, my TV doesn't mention it. All I know its on digital channel 3
(and 30 etc. for the other SBS channels) but that's only with the
signal booster turned on.

Can you receive analogue SBS with a clear picture without the booster?

I didn't check. When I rescanned, I only did it for digital signals. The analog
ones look so bad on a digital TV its not really worth it.

--
"The Labour Party is corrupt beyond redemption!"
- Labour hasbeen Mark Latham in a moment of honest clarity.

 

[Sir John Howard]

Phil Allison wrote:

"Sir John Howard"

If by that you mean UHF/VHF, the antenna handles that fine. Are all the
digital channels on UHF?


** Been answered - pal.

But just to LABOR the point:

Just don't labour the point too much.

Channel 2 digital = VHF 12

Channel 7 digital = VHF 6

Channel 9 digital = VHF 8

Channel 10 digital = VHF 11

SBS TV digital = UHF 34


The list applies to SD as well as HD signals - but it applies only to
Sydney.

Are you saying the SD and HD signals are both on the same channel per station?

Modern digital only TV antenna are quite small compared to the old types as
there is no need to cover the band below VHF 6.

Hmm .. that sounds like the antenna I'd want then.

--
"The Labour Party is corrupt beyond redemption!"
- Labour hasbeen Mark Latham in a moment of honest clarity.