Search found 7 matches

by quantumradio
Fri Aug 15, 2008 7:17 am
Forum: Antennas
Topic: Who knows the math for working out V.SWR Element Slide Chart
Replies: 1
Views: 8527

Who knows the math for working out V.SWR Element Slide Chart

For example, the Comet CFM-95SL 5/8 Wave base station antenna has a tiny diagram for working out the length of thetop element, for the correct frequency in MHz.
Does anyone know the Math for this? I'm trying to put together a detailed spreadsheet, or an actual [slide chart] that can be used to get ...
by quantumradio
Mon Jul 07, 2003 11:10 am
Forum: Users share experience...
Topic: Where can I buy a suitable SWR meter?
Replies: 1
Views: 8356

Where can I buy a suitable SWR meter?

In this country (oz) it's nearly impossible - it is impossible - to buy a suitable SWR meter.
Does anyone can tell me wher I might ocate one please.

thank you,

and yes - I have read the other messges, but can't spend a lot of time on line due to cost. sorry.
robert
by quantumradio
Fri Jul 04, 2003 9:07 am
Forum: Users share experience...
Topic: Help
Replies: 5
Views: 16964

Make the slimjim

You should make the slimjim. It's excellent.
by quantumradio
Fri Jul 04, 2003 9:05 am
Forum: FM transmitters
Topic: Hi/Low option on PCI Ultramax card. Whats the default, and w
Replies: 1
Views: 9104

Hi/Low option on PCI Ultramax card. Whats the default, and w

The online sales docs mention that there is a Hi/Low option jumper on the card?

What is that, where is it, and whats the default????? It doesn't appear to be mentioned anywhere else?

thanks
Rob
by quantumradio
Fri Jul 04, 2003 9:04 am
Forum: PCI MAX transmitters
Topic: Doesnt seem to be doing Stereo very well?
Replies: 2
Views: 10600

Sorry - it seems to be the second sound card

I put in a SB Live card to run the Ultra through. It wont do stereo ???? Go figure.
Plugged everything back into the onboard audio, and viola! perfect stereo.

:lol:

... anyway - am building a SlimJim, so will solve a few problems with that.
by quantumradio
Fri Jul 04, 2003 8:44 am
Forum: PCI MAX transmitters
Topic: Doesnt seem to be doing Stereo very well?
Replies: 2
Views: 10600

Doesnt seem to be doing Stereo very well?

I haven't yet got a proper aerial set up - I know that's bad. But am using a piece of wire, same length as supplied with the card, only with a proper connector on it.
Transmitting at 91.5

For some reason, although there is Stereo, it's really ... bad. Switch the Receiver to Mono, and the sound is ...
by quantumradio
Fri May 30, 2003 6:31 am
Forum: Users share experience...
Topic: comet antenna manual.. here it is, help!!!
Replies: 15
Views: 44305

Can you send a copy of that manual to me too please ?

zael wrote:I just sent you a better manual for your comet antenna to your email.
this one will help you.

zael.
Hi,
I understand the gif image the other chap had listed, but would appreciate a more indepth manual if at all possible?

Thanks much if you can

Robert