Search String: Display: Description: Sort:

Results:

References: [ +from:ve3zi@yahoo.com: 37 ]

Total 37 documents matching your query.

1. [RFI] Getting WiFi Upstairs (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Fri, 10 Oct 2003 03:53:52 +0100 (BST)
Leaky feeder will not help very much. The radiation is very much less than from more or less any sort of antenna. Also, it is rarely worth using at frequencies much above a few hundred MHz, as the ca
/archives//html/RFI/2003-10/msg00013.html (7,662 bytes)

2. [RFI] BPL in Canada (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Fri, 6 Feb 2004 01:34:21 +0000 (GMT)
Was depressed to read this press release in the Toronto Star this evening: http://www.amperion.com/press.asp?pid=94 It appears that the power utility in Sault Ste Marie, PUC Inc, is about to install
/archives//html/RFI/2004-02/msg00017.html (6,874 bytes)

3. [RFI] BPL (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Fri, 6 Feb 2004 14:17:43 +0000 (GMT)
I have received the following response to a message I sent to the GM of PUC.... <Roger: We have involved Industry Canada from the inception of this project (back in May of 2003). Industry Canada pers
/archives//html/RFI/2004-02/msg00028.html (8,418 bytes)

4. [RFI] re: BPL in Canada (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Fri, 6 Feb 2004 19:21:41 +0000 (GMT)
I have sent the following reply to PUC. I am trying very hard not to mention amateur radio. We shall see! I appreciate your swift reply to my mail and have a few concerns which you may care to addres
/archives//html/RFI/2004-02/msg00034.html (7,577 bytes)

5. [RFI] BPL in Canada (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Fri, 6 Feb 2004 20:28:02 +0000 (GMT)
And his reply. Comments anybody? believe that this type of interference will be an issue with the technology we are using. Amperion equipment is Part 15 compliant. Not all BPL equipment is the same..
/archives//html/RFI/2004-02/msg00035.html (7,745 bytes)

6. Fwd: RE: [RFI] BPL in Canada (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Sun, 8 Feb 2004 16:53:33 +0000 (GMT)
___________________________________________________________ ___________________________________________________________ BT Yahoo! Broadband - Free modem offer, sign up online today and save &pound;80
/archives//html/RFI/2004-02/msg00052.html (10,468 bytes)

7. [RFI] re: BPL in Canada (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Mon, 9 Feb 2004 16:40:58 +0000 (GMT)
My latest reply to PUC follows. I have also spoken at length to Industry Canada in SSM about the trial and am confident that they are taking a balanced and professional view of the matter. Finally, a
/archives//html/RFI/2004-02/msg00054.html (9,431 bytes)

8. [RFI] ICES-006 (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Mon, 9 Feb 2004 19:26:52 +0000 (GMT)
Hi Kirb and the Group ICES-006 is the Industry Canada standard covering power line transmission and defined area radiators. It is not really equivalent to FCC Part 15 as it does not include unintenti
/archives//html/RFI/2004-02/msg00058.html (7,790 bytes)

9. Re: [RFI] Help with broadcast interference (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Fri, 13 Feb 2004 14:47:15 +0000 (GMT)
I would agree with Tom. You need to ensure that the level of interference at the receiver input is reduced to a level with which the receiver can cope. uV/m measurements are very interesting, but onl
/archives//html/RFI/2004-02/msg00077.html (9,166 bytes)

10. [RFI] BPL and the BBC (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Fri, 5 Mar 2004 16:48:45 +0000 (GMT)
In Dave Sumner's letter to the WSJ he references a paper written by the BBC's Reseach Department. This covers a short evaluation of interference to HF broadcast reception at a BPL trial site in Scotl
/archives//html/RFI/2004-03/msg00009.html (8,043 bytes)

11. RE: [RFI] Broadband over Power Line (BPL) radio interference (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Sat, 17 Jul 2004 14:31:46 +0100 (BST)
I am sure that I am not the only one who feels rather saddened by the disagreement between Dave and Ed. Both are right and both are wrong. Here are two people who are exceptional communicators, who a
/archives//html/RFI/2004-07/msg00062.html (9,202 bytes)

12. [RFI] From Communications Daily re: BPL (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Wed, 1 Sep 2004 14:59:47 +0100 (BST)
"... This has become like an unmitigated war that ARRL has declared on this industry." I am delighted that UPLC feels that way! Most of us realise that wars are expensive to run and that very few peo
/archives//html/RFI/2004-09/msg00002.html (7,856 bytes)

13. [RFI] BBC Concerns over BPL Interference to SW Broadcasting (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Tue, 14 Sep 2004 17:34:52 +0100 (BST)
G3VQO posted this link on the UK Contesting reflector: http://news.bbc.co.uk/1/hi/technology/3652202.stm It seems to me to be quite relevant, as the BBC is a pretty well respected, influential and wi
/archives//html/RFI/2004-09/msg00078.html (7,040 bytes)

14. [RFI] What antennas are good for HF DFing? (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Mon, 14 Feb 2005 14:31:32 +0000 (GMT)
You can use either a loop or a ferrite rod antenna. The performance will be quite similar. The sensitivity will be greatly improved if you use a tuned loop, and that may or may not matter in your par
/archives//html/RFI/2005-02/msg00069.html (10,550 bytes)

15. [RFI] Switch Mode Power Supply (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Fri, 28 Oct 2005 13:52:46 +0100 (BST)
My H/B amplifier uses DC on the tube heater because (1) there was some hum modulation with AC and (2) I didn't have a 5.5V high current transformer. It has worked quite satisfactorily for 15 years, b
/archives//html/RFI/2005-10/msg00039.html (7,765 bytes)

16. Re: [RFI] Switch Mode Power Supply (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Mon, 31 Oct 2005 18:46:03 +0000 (GMT)
Thought I would say that I have cured my rfi problem with the switch mode power supply. I had to go to Toronto on Saturday, and took the opportunity to buy a small AC line filter. Connected it as clo
/archives//html/RFI/2005-10/msg00044.html (7,389 bytes)

17. [RFI] Power line or ? noise (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Tue, 18 Apr 2006 07:05:06 +0100 (BST)
My thoughts are: Wow, what a great utility! To get Ontario Hydro out here took 8 weeks of phoning every 3 days AND the exact pole causing the problem. When they arrived, the team was excellent, but v
/archives//html/RFI/2006-04/msg00007.html (6,711 bytes)

18. Re: [RFI] Winding RG-6 around a toroid (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Thu, 21 Sep 2006 04:43:01 +0100 (BST)
....... Some foam dielectrics are more fragile than others, and some center conductors are more inflexible than others. Combine the two and you could poke a short into the cable ....... I agree. I ha
/archives//html/RFI/2006-09/msg00030.html (7,698 bytes)

19. Re: [RFI] Strange radio static problem in vehicle (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Tue, 16 Jan 2007 02:56:51 +0000 (GMT)
Further to the answers you have already received, this used to be(?) a significant problem with large military vehicles such as tanks, and had its own acronyn - MMIC. Tanks commonly have (had?) sever
/archives//html/RFI/2007-01/msg00007.html (8,005 bytes)

20. [RFI] CO Detector (score: 1)
Author: Roger Parsons <ve3zi@yahoo.com>
Date: Fri, 9 Feb 2007 19:07:08 +0000 (GMT)
VE3WO has several neighbours with 'Kidde' line powered CO monitors. He finds that they trip when he is using as little as 50W on 80 or 160m, and perhaps 100W on the high bands. He contacted the manuf
/archives//html/RFI/2007-02/msg00020.html (8,153 bytes)

Current List: 1 - 20
Page: [1] [2]
This search system is powered by Namazu