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   Home   Help Search  
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 31 
 on: Today at 07:12:31 AM 
Started by JBIRD - Last post by JBIRD
Sounds like you are using the lcwo.net morse machine?
Try G4ILO's.
http://www.g4ilo.com/morse-machine.html

Yes, I'm on the lcwo site.

Thanks, I'll take a look at that!

Jim

 32 
 on: Today at 07:11:47 AM 
Started by N9AVY - Last post by W8JX
The key is to use the computer's internal sound card as the default device. Use an external USB sound card or SignaLnk-USB as the radio's sound card. That way you won't disable the internal sound card and send Windows sounds to the USB device. If you unplug the external USB sound card you will loose audio to/from the radio but never send default sounds to the radio.

With Windows 10, if I am using the internal sound card (say, headphones plugged into the front of the computer) as the default device, and then I unplug the headphones, then Windows senses the headphones are unplugged and starts sending windows sounds to some other device (e.g. radio over USB). I hate this. I hate it with a passion. But that's how my copy of Windows 10 works. I hate Windows 10. Windows XP actually was a lot better in this situation. I just got a pair of crappy headphones and I keep them plugged into the computer all the time now, but every so often one of my kids will borrow them, then boom my Windows sounds are going to the radio. Hate it.

Why not simply use a 5 dollar USB sound card from Amozon or Ebay for digital sound device. Been doing it for many years.

 33 
 on: Today at 07:05:47 AM 
Started by KD4RLV - Last post by WA2EHV
So, here's a question about mastery of the subject matter.  Is the Handbook the best source, as some posts suggest?  Isn't the Handbook a reference book, and not necessarily an instruction book for beginners?  What other books could you recommend for those of us who do not have electronic backgrounds?

 34 
 on: Today at 07:05:31 AM 
Started by JBIRD - Last post by OZ8AGB
Sounds like you are using the lcwo.net morse machine?
Try G4ILO's.
http://www.g4ilo.com/morse-machine.html

 35 
 on: Today at 07:01:37 AM 
Started by N2JFA - Last post by K4SAV
Both the inverted vee and the horizontal dipole have, for all practical purposes, the same polarization.  Both are horizontally polarized broadside to the wire and both are vertically polarized in the plane of the wire.    In all other directions (other than perpendicular to the wire and in the plane of the wire) both antennas have tilted polarization.

Difference between these two antennas is more related to their height and pattern than anything else.  The inverted vee normally ends up closer to the ground because the ends are much lower than the middle.  That increases ground loss.  In free space the peak gain of these two antennas is within 0.1 dB of each other.  The patterns are different however.  The dipole has a large null off the ends of the wire (depth of the null increases with height) while the inverted vee has much less of a null.  At low heights the inverted vee is nearly omnidirectional, except for very low angles, maybe less than 15 degrees, and even then the null is very shallow.

Jerry, K4SAV

 36 
 on: Today at 06:59:00 AM 
Started by AH7I - Last post by AH7I

I generally don't have intermod problems with a mobile rig until I drive to within a few miles of the commercial
TV and radio transmitter towers up on the hilltops overlooking the city.  HTs are often much worse than that
when you put a good external antenna on them.

Thanks.
Do you have a list of the problematic HT's? I am within a few of miles of a half dozen 100kW FMBCB. Closest is 3000'. Yes. I am concerned about internal intermod.
-Bob

 37 
 on: Today at 06:58:35 AM 
Started by WY7CHY - Last post by WY7CHY
Thanks for the input. I definitely think I'll try experimenting. This time of year however is very busy for my. This will probably be a winter project in a few months when I'll have the time to experiment. I've already got plenty of microphones, mixer, boom, etc. So when I get some time, I'll check it out. Thanks. Mike.

 38 
 on: Today at 06:28:21 AM 
Started by BILLW - Last post by WA3SKN
You have a breaker box or fuse box in your house.  Where is it located? Do you have 240 volts and 120v?

-Mike.

 39 
 on: Today at 06:21:30 AM 
Started by BILLW - Last post by K4SAV
Regardless,  a lightning arrestor and ground rod that isn't bonded to the service ground is still better than not having one at all!

If your radio is run off of a 12 V supply and its 12V ground (negative) side is not connected to the AC ground, then your isolated ground rod may work for you for lightning protection. But keep in mind the risk and potential liability.

Both of the answers above are wrong, but that is par for answers to grounding questions on forums.  Read this:
http://www.w8ji.com/station_ground.htm

Jerry, K4SAV

 40 
 on: Today at 06:05:52 AM 
Started by VK2CNN - Last post by 9Z4Z
Good Day,

I recently got an FT-8800R on loan and I want to try the computer interface but the page with the schematic is no longer on the internet (and not found on the Internet Archive). Might you still have that schematic that you can post please?

Regards.

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