NEW Log4OM 2 Logging Program Install and Initial Setup
If you are new to ham radio or are looking for a new logging program, Log4OM 2 may be for you. It’s got everything you need for a logger. It will upload your QSOs to QRZ.com, Clublog, HRDLog.net, eQSL, HamQTH and LOTW. It even has contest logging and net control logging, and it’s FREE!
This is a Windows only program.
Features
- Fully integrated with LOTW, eQSL, QRZ.com, HamCall, Clublog, HamQTH, HRDlog.net etc.
- Integration with N1MM, WSJT-x, JTDX, JTAlert and FLDigi
- Radio CAT control via either Omnirig or Hamlib
- Call lookup by multiple external sources QRZ, HamQTH, QRZCQ, HamCall and internal Clublog
- Propagation analysis using VOACAP linked to call sign lookup and cluster which predicts probability of a connection (Contact)
Log4OM 2 Installation
If you want to try this, go to Log4OM and download the latest version.
After the download, unzip the file and run the installer exe file.
When you see the option to install OmniRig, go ahead and install it, unless you already have it. We’ll be using OmniRig for CAT.
Log4OM 2 Initial Set-up
You can start the program by double clicking the desktop shortcut. On the initial start-up you’ll have to enter your station information. Mine is below.
Next create your logbook database. I chose SQLite database. It’s easiest and a fast database. 
If you have one, export your old log to an ADIF file. I saved mine to the desktop.
Next you’ll want to import your old log (ADIF file) by going to the menu and choosing File>Import ADIF. When the window opens, click the load button and navigate to the file from your old log.
Radio CAT Control
I’m using OmniRig because it works so good and it’s simple to setup and use.
While installing you can choose to install OmniRig. If you find later you need it you can download and install it from here.
Below are some screenshots from my initial setup.
Propagation 
Station Configuration 
External Services 
Info Providers 
Audio Devices
Radio Configuration
I do my best not to change anything in the radios internal settings. These setting will work with all of the software I use. See my Icom 7300 and Icom 7610 screen captures. Have a look at the notes on those pages.
Log4OM 2 Quick Look Video
Next
I have a video showing some of the nice features of Log4OM 2 and how to configure it for WSJT-X.
I’ll also have a video using HDSDR as the receiver on the 7610. The notch filter is worth trying!
More traveling in the near future with a new antenna!
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Have you used Log4OM 2? Please add your comments below because it will help me and others as well.
Best 73! – Rich,K0PIR
I have been using N3FJP’s ACL. What are the main features I would gain?
Hi Larry,
It’s great to hear from you and really good to hear you back on the radio. Log4OM has more features than AClog. It will upload to more online logs and will track awards. Two of the features I really like are the propagation forecast and the clusters. I’ll do more on those. If you have room on your computer I think it’s worth a try. It’s free and if you like it you can send them a donation.
I am looking forward to the picnic in September. Keeping my 🤞 73!
Hola colega este programa es solo para Icom 7300 e Icom 7610 73’s…
Hola, esto funcionará para mini radios. 73!
Just giving this program a try and like it, gonna make the switch. I was using HRD. Only thing i would like to see work are FLRig with version 2 and also would like the map to be more like Maclogger DX with the spinning globe 🙂
73
Hi Richard,
Thank you for commenting and your input. I hope everything is good where you are.
Take care and best 73!
Hi there – I’m sure it’s my own lack of understanding of how QSL confirmations work – but I’m not understand the process for receive/sending QSLs, what the status values mean, how this works for awards, etc.
I’ve read the manual but it doesn’t clear up my questions – any insights or suggestions on where to find guides?
Hi Mike,
Thank you and I hope all is well where you are.
I just use the electronic QSL and will send cards out if people send me one. So I can keep track of those electronic ones easily.
Try their forum. It has a section on Awards.
Grid Tracker will also track awards for you.
Take care be safe and best 73!
Rich, Thanks for all this information on Log4OM. But, I perceive it’s a MS Windows application…NOT
LInux?? Hope I’m wrong?
Hi Harold, yep it is Windoz. I use MLDX and RumLogNG on my Mac.
73!
I have version 2.11, It is very difficult for me to figure out how to use it. I really like the cluster to find a dx station in the older version. I deleted that version and lost all my contacts. But I would rather go back and use a older version. I was more comfortable with it. Is it possible to get a older version?
Hi Ken,
Good to hear from you and thank you for commenting here.
I don’t know the answer to that one. Try the forum here.
GL, and good DX!
73,
Rich, K0PIR
Hi Rich,
Kind of late on this thread but I was going to take your advice on LOG4OM and integrate it with Gridtracker and FT8. But, the LOG4OM setup process won’t recognize my .adi data file from HRD? So I’m stuck right at the beginning. Any hints on who to talk to about this? I’m running windows and an IC7300.
73’s
Scott, K5CBC
Hi Scott,
Good to hear from you and I imported from HRD Logbook. Export the ADIF from HRD Logbook, just the ADIF, and import into Log4OM. I used the default selections in exporting and importing.
Try a few at a time and see what happens.
73,
Rich, K0PIR
Like you, I’m running ic-7610. I’ve got the CI-V USB connected to the PC and also have the CI-V phono-plug connected to a linear amp (SPE Expert 1.5k-FA). Works fine when using the DXLab commander (PC controls freq etc. and linear follows along). With the Log4OM+OmniRig, the CAT commands to the linear seem to fail — the linear does not switch bands and its tuner does not follow. It seems the Log4OM+OmniRig are interfering with the CI-V phono-plug interface (perhaps telling the 7610 to shut if off). I’ve had to re-load a previous setup from memory card to get things back to normal.
Since your setup may be similar, any suggestions?
Hi Allen,
It’s nice to hear from you and thank you for posting your question here.
The RCA type line-plug should be just for PTT, am I correct? That’s what I use with my 7610 and amp. However, my software does not control my amp like yours.
Your amp will get commands from the 7610 to the amp using the Remote (CI-V) line between the amp and radio. Is that correct?
Rich, K0PIR
Hi Rich, I’ve been running log4OM 2.0 for some time (present version: 2.22.0.3)Beta however was running the normal version 2.2.21.1.0 with the same problem. My telnet cluster will not connect/stay connected when starting the program, and manually starting the cluster has the same effect. I’m running Windows 11 on the insider preview 22598 build. I’m getting the following message from log4om:
4/19/2022 3:30:16 PM
[TelnetConnection][Connect] : 204.221.76.52:23 TelnetConnection.Connect()
exception
[EXCEPTION] A connection attempt failed because the connected party did not properly respond after a period of time, or established
connection failed because connected host has failed to respond 204.221.76.52:23
I’ve tried several cluster addresses with same outcome. Nothing really changed in setup of log40m. However, it is happening on two different pc’s, which are both running over the same wi-fi network.
This makes me believe that something has changed on my xfinity router 1.2gigbit.
Where do you think I should start looking for the problem? The router?
Thanks and love you updates. Ron KC5KE, KC5KE@kc5ke.com
Hi Ron,
It’s good to hear from you and thanks for commenting here.
If this is happening right when you try to connect, then maybe a router update changed things on your end. Port 7300 is for DX Spider, so maybe you could see if that has been blocked in the router.
Have you tried connecting to mine, pi.k0pir.us?
Rich