Yes ... vertical waves are damped more ... cause every tower, street lantern and tree is mainly vertical ... maybe there is another reason?!? Dg9bfc Sigi...
42358
kt4wo67@...
kt4wo
Jul 5, 2012 7:09 pm
RE:"You are giving up about 20 db using a horizontal antenna." ONLY if the other antenna is vertical .... Horizontal has been shown to work better for weak...
42357
Charles Brabham
n5pvl
Jul 5, 2012 1:48 pm
That's not bad! - A 20bd reduction in the strength of any interfering, non-net activity on frequency. I had understood about the performance advantage in...
42356
skipteller
kh6ty
Jul 5, 2012 9:44 am
We are have switched from DominoEx to Contestia 1000/32 for our FM digital net. I use Contestia 1000/64 for UHF DX for the better minimum S/N. Typing speed is...
42355
Ralph Mowery
ku4pt
Jul 4, 2012 1:10 pm
Not being from your area, but just in general, most 2 meter FM is vertical. You are giving up about 20 db using a horizontal antenna.  When using an FM...
42354
Rick Westerfield
r_lwesterfie...
Jul 4, 2012 12:27 pm
Hello George, Your question is a tough one because it goes right to the heart of modern digital signal processing. If DominoEx is working for you, stick with...
42353
George Kuehn
yardbee09
Jul 4, 2012 11:57 am
Here's a follow-on question: Does anyone have a suggestion for best mode for 2 Meter FM digital using a standard FM transceiver? My setup for 2 meter FM...
42352
Gary
gmnilges
Jul 4, 2012 11:57 am
Great summary! TU...
42351
aa777888athotmaildotcom
aa777888atho...
Jul 4, 2012 11:08 am
Thanks, Ian!...
42350
siegfried jackstien
dg9bfc
Jul 3, 2012 9:44 pm
Really oldschool is working rtty with a real mechanical teleprinter Dg9bfc Sigi Not to forget the hell modes and also the mechanical printers for them :-)...
42349
Russell Blair
russell_blair86
Jul 3, 2012 7:06 pm
OK, Bill thanks well and the sun keeps acting up with some big storms so they say. Russell NC5O Â Â " IN GOD WE TRUST "Â " Skype-Russell.Blair " ...
42348
wburek@...
ac0vc
Jul 3, 2012 6:49 pm
No one on the NET-105 Group has been having much luck on 20m. As stated, you get a connect and nothing more. No connects or suddenly it's as tho you were hard...
42347
Russell Blair
russell_blair86
Jul 3, 2012 6:24 pm
The Net14 on 20m has very short openings today tried to work Carl K1CKK-14 and was having trouble with the band going up and down. I also was having trouble...
Here is a practical answer to your question. The following are arguably the most popular modes and probably represent 99% of the data traffic on the amateur HF...
42344
Lynn W. Deffenbaugh (...
ldeffenb
Jul 3, 2012 10:43 am
+1 for the picture of what it looks like on the waterfall. I'm personally much more visual than auditory when it comes to pattern matching and have wondered...
42343
Phil Williams
rci2000...
Jul 3, 2012 10:10 am
MultiPSK has some of those features. Recommended freqs and such. ... -- Phil KA1GMN Experimental Station - WF9XJD...
42342
Charles Brabham
n5pvl
Jul 3, 2012 10:02 am
I've had an idea about this bouncing around for a while... On multimode digital software, you have a menu item that lists the available modes, right? If you...
42341
Phil Williams
rci2000...
Jul 3, 2012 9:47 am
Why so many modes? Experimentation. People tried things to see what they would do. As Sander pointed out, some modes became popular and some, not so popular -...
42340
Tony
kt2q
Jul 3, 2012 9:23 am
... One of the reasons there are so many is that developers have been hard at work over the years trying to improve modem performance. We now have a number of...
42339
Music Maker
music_maker_037
Jul 2, 2012 11:27 pm
. Hi Steve - I am working on a web page which may answer your question - Still a lot to do on it ... I am working on appraisals of available programs at the...
42338
John Gadd
johnagadd
Jul 2, 2012 10:50 pm
You might try http://dxzone.com/ In the scanner world there are VHF,UHF,CW etc modes Just google Ham Radio and it will lead you to a wealth of info. 4899 S....
42337
Sander Pool
sander_pool
Jul 2, 2012 9:46 pm
Steve, you pick a mode either because someone you want/need to talk to says that's what she uses or because you have an interest in trying it and know someone...
42336
Curt Givens
giveadurn
Jul 2, 2012 8:04 pm
Hi, Steve, the simple answer is which ever one will make the round trip. As to why all the modes - a lot of guys and gals with the skill set(s) to develop them...
42335
Steve
nm5sd
Jul 2, 2012 3:20 pm
Hi All, Can someone point me to a resource that will explain when to use which of the *many* digital modes available? There must be a reason for so many modes...
42334
Jeremy
jcaoy
Jul 2, 2012 2:56 pm
I'm a bit more stable than you are Dave. I shoot from a 650 ft long freighter. HoE is 109 ft. I also use a 7x scope which helps a bit. My biggest variable...
42333
Dave Skolnick
daveskolnick
Jul 2, 2012 11:15 am
... How large a platform? I can't get anything like that small an average error bouncing around on a small boat trying to juggle the sextant, get the angle,...
42332
Jeremy
jcaoy
Jul 2, 2012 3:26 am
ELORAN didn't make it in the US. They have shut down and dismantled most of the LORAN chains. Most ships don't have working LORAN receivers these days, so...
42331
Jeremy
jcaoy
Jul 2, 2012 1:52 am
I agree Rick! The thing to remember in the days before accurate chronometers, a lot of ships ended up on the rocks. I encourage all of my mates to remember...
42330
g0jxn.jim@...
g0jxn
Jul 1, 2012 10:10 pm
Hi Guys The Net14 July 2012 Report has been uploaded to www.net14.org.uk . The report includes details of some interesting changes that have been made to the...
