Re: [AMRadio] 40 m SWBC

2009-03-11 Thread Jan Erik Holm
I did listen last night around 1800 UTC and found 7100-7200 pritty much filled up. I had very loud stations at: 7105 7120 7135 7145 7160 7170 7180 7190 7200 And possibly weaker ones also but just went for the super loud. Lets see if we see any change next month. 73 Jim SM2EKM

Re: [AMRadio] 40 m SWBC

2009-03-11 Thread Jan Erik Holm
Nigel Holmes wrote: Don't get too excited about a quiet 40m.. The radio regs footnote 141C (141B in early drafts) lists a string of countries including most of North Africa ME, Australia, New Zealand, China, Japan, Korea, Papua New Guinea + others who, after 29 March 2009, have 7100-7200

Re: [AMRadio] Low Power AM?

2008-11-23 Thread Jan Erik Holm
I remember tuning up until the 813´s glowed yellowish-white. 73 Jim SM2EKM -- Bob Macklin wrote: My memory says that you tuned up an 813 until the plate glowed RED! We did that with 807s also! Bob K5MYJ - Original Message - From: George Brand [EMAIL PROTECTED] To:

Re: [AMRadio] (no subject)

2007-06-04 Thread Jan Erik Holm
For only 2 kV I just would use RG58. / Jim SM2EKM -- Rick Brashear wrote: Neon sign shops have wire that will easily handle 2 kw. How much do you need? Rick Where is a good location to order high voltage cable rated for at least 2kv or more?

Re: [AMRadio] Late night DX possibilities on 40m

2007-05-08 Thread Jan Erik Holm
How about 20m? I haven´t heard any AM on 20 in 15 years or more. Would be fun to work some US AM stations, maybe we have to wait until 10m opens up. 73 Jim SM2EKM D. Chester wrote: I know there are some AM'ers in the Netherlands who have tried working transatlantic AM

Re: [AMRadio] Antenna/Coax

2006-12-31 Thread Jan Erik Holm
Fact is, you dont know what impedance your dipole has at the feedpoint. It can be anything between 50 to 75 ohms or so. Bottom line is, you dont actually know what the error is, there are also other variables involved. To answer the question, no it doesnt matter if you use 50 or 75 ohm cable. Do

Re: [AMRadio] 25 K Driver Pot Replacement (WAS: Ranger... good news, bad news)

2006-11-05 Thread Jan Erik Holm
Yes http://www.amwindow.org/tech/htm/drivepot.htm 73 Jim SM2EKM Brian Carling wrote: As I said before - the article for the solid state replacement for the 25K pot in a Ranger / Valiant / DX100 etc. is on the web SOMEWHERE. I just can't find it any more. Can someone help

Re: [AMRadio] Phone band expansion

2006-10-14 Thread Jan Erik Holm
W7CE wrote: No problem Brian. In fact I need to order another crystal from you. My purpose was to make sure members of the group are aware of the long-established DX window from 3789 to 3800. It is officially 3790 to 3800, but has drifted down an extra kHz in the past few years (those