A few years ago, I publish a cable diagram for Kenwood TH D7, the little APRS dual band radio.I received some questions about the next step in conecting the radio to a PC, the COM Port setup.
So, I did a little video tutorial for this.
The most tricky part is to have a low COM Port number in order to connect to the PC. Most of the software in the market (or available to the Ham community) ask for a low COM number (COM1 to COM9) some of them only to COM6 so, after some time of computer use with a lot of USB devices, the DEVICE MANAGER (XP) will add ports and is common to have a COM25 or COM34 listed instead a convenient COM2 or COM4.
So, a little trick is necessary and this is my video about.
You have to ignore the warnings about the malfunction when changing the COM number but you have to remember that the COM assignement is linked to the USB in which the COM2USB is plugged. So, you will have to repeat the setup for all the USB ports in which you put the adapter.
If you have questions, please leave a comment.
73 de Adrian
26 May 2014
24 April 2014
To all the ham...
To all the ham operators who visited my web-page, 73 from Romania and hope to hear you in the band!
23 April 2014
1:1 UnUn, Choke BalUn
A few days ago I noticed that, while trying to work on 40m from mobile, my Icom IC-7000 suddenly stops, powering off.
So, investigating the trouble I put a (very) Ugly Balun at the output of the radio.
The problems went off so I planed to make some sort of Choke balun.
This broadband transformer is a 1:1 and block the current mode current.
Here it is the making off:
LE:
The main reason for making it with two RF connectors is that the choke is used in mobile installation and after it there is a small lenght of coaxial cable.
73 de YO3HJV
So, investigating the trouble I put a (very) Ugly Balun at the output of the radio.
The problems went off so I planed to make some sort of Choke balun.
This broadband transformer is a 1:1 and block the current mode current.
Here it is the making off:
The main reason for making it with two RF connectors is that the choke is used in mobile installation and after it there is a small lenght of coaxial cable.
73 de YO3HJV
21 April 2014
Back...
Well, I'm back in Bucharest from a long and exciting trip in Cheile Latoritei at Petrimanu Lake. Very nice!
Heavy road, a lot of rain and, of course, some snow. The rain almost destroyed the road so we had to use two chainsaws to make the road available...
The CODAN 9350 didn't performed as I was expect. Impossible to use it under 10 MHz but over worked as a charm. I have to think to a longer whip. Maybe one from a CB antenna with some sort of adapter.
We (YO3HJV and YO8RNI) used a improvised long wire to work from YOFF-420. I have a lot of paper-log to put into the PC so, please, be patience, I will do it in the next weeks...
As for today... Guess what? It was a sunny day with over 20 Celsius!
I painted two orange strips on the CODAN 9350 antenna just for the other on the road. It's more visible and the lights make it visible into the deepest dark also.
73 de YO3HJV
Heavy road, a lot of rain and, of course, some snow. The rain almost destroyed the road so we had to use two chainsaws to make the road available...
The CODAN 9350 didn't performed as I was expect. Impossible to use it under 10 MHz but over worked as a charm. I have to think to a longer whip. Maybe one from a CB antenna with some sort of adapter.
We (YO3HJV and YO8RNI) used a improvised long wire to work from YOFF-420. I have a lot of paper-log to put into the PC so, please, be patience, I will do it in the next weeks...
As for today... Guess what? It was a sunny day with over 20 Celsius!
I painted two orange strips on the CODAN 9350 antenna just for the other on the road. It's more visible and the lights make it visible into the deepest dark also.
73 de YO3HJV
17 April 2014
YOFF HF Mobile activation
Well, tomorrow morning (April 18th) I will be enroute to Petrimanu, a remote place in Parang Mountains, near Voineasa.
I will be there until April 21st.
I will be there with Sorin YO3DLW and Bob YO8RNI.
According to INMH, the weather condition will be bad, with a lot of rain, fog and low temperature.
We will try to work from mobile in YOFF-420 (LOTARITA) and YOFF-006 (COZIA), both in Natural Protected Areas .
I will use my ICOM IC-7000 with CODAN 9360 Autotune antenna and, if conditions will permit, an AH-4 ATU with a dipole.
Tomorrow I will try to be active on the road from mobile on this frequencies:
3791.0 kHz
7185.5 kHz
14342.5 kHz
18157.5 kHz
21437.5 kHz
24977.5 kHz
28327.5 kHz
73 de Adrian, yo3hjv
I will be there until April 21st.
I will be there with Sorin YO3DLW and Bob YO8RNI.
According to INMH, the weather condition will be bad, with a lot of rain, fog and low temperature.
We will try to work from mobile in YOFF-420 (LOTARITA) and YOFF-006 (COZIA), both in Natural Protected Areas .
I will use my ICOM IC-7000 with CODAN 9360 Autotune antenna and, if conditions will permit, an AH-4 ATU with a dipole.
Tomorrow I will try to be active on the road from mobile on this frequencies:
3791.0 kHz
7185.5 kHz
14342.5 kHz
18157.5 kHz
21437.5 kHz
24977.5 kHz
28327.5 kHz
73 de Adrian, yo3hjv
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