What I hear on VHF/UHF from the car
Over the last few days, I’ve been using the scan feature on the FT8900 a bit more from the car. I’m scanning particular channels, rather than the whole of the band, but it’s interesting to see what coverage I’m getting. I’ll probably add more channels to scan when I identify likely targets of semi-distant stations to listen for.
I thought it might be fun to try and put together a Google Map of what I heard this morning – I’ve colour coded the different bands.
View Heard by G4VXE this morning in a larger map
As you can see, GB3CF up in Leicestershire is probably the most distant station heard this morning. It fights it out on 145.600 with GB3WR. But I didn’t hear WR this morning and GB3CF was clearly audible just around Abingdon for a few hundred yards.
Tim Kirby, G4VXE, is a regular contributor to AmateurRadio.com and writes from Oxfordshire, England. Contact him at [email protected].
VOACAP Online
I don’t know how long it has been around but I only discovered this online propagation prediction tool using the VOACAP prediction engine today.
It’s very easy to use, and produces a nice chart showing the best times and frequencies to use to make a contact with a particular region. Of course, the predictions are based on the average expected propagation for the month, it won’t tell you what the bands are like today, which is why it is better not to waste your time on tools like this and turn on the radio.
Julian Moss, G4ILO, is a regular contributor to AmateurRadio.com and writes from Cumbria, England. Contact him at [email protected].
VHF Tropo forecasting using William Hepburn’s tropo pages
About a week or so, I got an e-mail from Matty, MD0MAN drawing my attention to some propagation forecasting websites. One that I hadn’t come across before, though somewhere at the back of my mind, I think I’ve heard it mentioned, is William Hepburn’s Tropospheric Ducting Forecast site.
The site allows you to select the area of the globe that you’re in – so in my case, I selected the North West Europe page but if you’re in North America, this is your map
But how well does it work? After Matty’s e-mail, I looked at the maps for the UK and NW Europe last weekend and could see that there would be a chance of some tropo to the South West towards the end of this week, from Thursday onwards.
Driving to the station this morning, with one VFO going on 145.650, there was another repeater just breaking the squelch – something not normally audible. Purely a guess, but I’ll bet it was the GB3TR repeater, to the South West of me, in Torbay.
An interesting site – I’m looking forward to keeping an eye on it. Thanks to William for some fascinating data and to Matty, MD0MAN for the tip-off.
Tim Kirby, G4VXE, is a regular contributor to AmateurRadio.com and writes from Oxfordshire, England. Contact him at [email protected].
What Would You Do?
Your crazy great uncle Thadeus died last week. He was an eccentric old coot who liked his amateur radio a lot, so much that his wife Mildred left him forty years ago and he’s been holed up in his hamshack ever since. Everyone thought old uncle Thad was broke, but in his will he revealed a Swiss bank account with $60 million left to you, the only other ham in the entire family. But there’s a catch. You have to spend $10 million of it on revitalizing amateur radio in order to get the other $50 million. What do you spend it on? (Yes, I know, this is like a Richard Pryor movie…)
KComm updated
Today I released a new version of my logging and data communications program for Elecraft transceivers, KComm, on my website. The program is developed in Lazarus / Free Pascal and is released under the GPL.
Apart from numerous bug fixes and small improvements I have made in the months since the last release, the new version 1.9 allows the receive and transmit sound devices to be selected separately. This is something that is becoming increasingly necessary, though users will have to play “guess the device number” as I don’t know how to find out the names of the sound devices in Free Pascal in order to display them in a list box. The program also supports the K3 “TB” command which allows it to get the text decoded by the K3 DSP in CW, PSK or RTTY modes and display it on the screen just the same as if you were using a sound card program.
Although I have given up developing ham radio programs in general, I am continuing to update and maintain KComm as it is the only one of my programs that I continue to use regularly. However this will be the last version for which I will be able to provide a compiled Linux binary. The screen of the old Linux laptop that I used to compile it has almost failed so I will not in future have a computer on which I can do this.
Julian Moss, G4ILO, is a regular contributor to AmateurRadio.com and writes from Cumbria, England. Contact him at [email protected].
Handiham World for 03 November 2010
Welcome to Handiham World!
In this edition:
Still waiting for frequencies!
Plain text frequency chart updated
Split Rock on the air event
Dip in the pool
Operating skills: How to use beacons
November events released
Live ham radio broadcast from w5kub.com starts this morning!
Remote base progress report
Video feed of Mars Rover being outfitted
Phone number for this podcast – call & listen if you don’t have access to a computer.
This week at HQ
No feedback as to frequency for new 75 meter net
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Hello, anyone out there? I’m still waiting for your feedback on frequencies you have listened on during the continuing search for a place to park our new 75 meter net. If you could get back to me with your suggestions for a clear frequency anywhere in the Extra, Advanced, or General portions of the band, I would really appreciate it. Our first choice would be a clear General frequency if possible, but if one is not available in the evening, which is when we will have the net, then we will go with an Advanced or Extra frequency. The 75 meter band DX window will not be used. It is 3.790-3.800 MHz. The AM calling frequency of 3.885 MHz is also reserved as is the SSTV frequency 3.845 MHz.
Please e-mail me this week with your frequency and time suggestions, frequency reports, and other suggestions about the net.
73,
Patrick Tice, WA0TDA
Handiham Manager
[email protected]
Pat Tice, WA0TDA, is the manager of HANDI-HAM and a regular contributor to AmateurRadio.com. Contact him at [email protected].
Episode #052 Live Rescheduled
Due to extenuating circumstances, we will have to move the recording of Episode #050 to November 16th at 8:15pm CST. We hope to see everyone then.
73 de The LHS Guys
Russ Woodman, K5TUX, co-hosts the Linux in the Ham Shack podcast which is available for download in both MP3 and OGG audio format. Contact him at [email protected].















