CREATE A RECEIVER PROFILE
Click in the field above the plotting area. The following window opens:
You may enter as many as 99 different Profiles. Your profile will show up on the main window in DRM-Plotter.
The Profiles which you already have can be edited and removed if you so wish, or you can delete the whole list.
CREATE YOUR NICKNAME
After you have entered a Profile, you should think of a Nickname. The Nickname can be max. 10 characters long. You can change the Nickname whenever you like.
The Nickname is used to put a signature to your Screenshots.
The Nickname can also be accessed from
the Basic Setup.
LOADING THE NECESSARY FILES
When you run the DRM-Log Plotter for the very first time there are no data files loaded. This is indicated by the two red fields above the "Update" command button. The programme needs two files:
Click on the Update button and navigate to the Directory where you have the Logfiles for Dream (usually in the folder where you installed Dream.exe).
Doubleclick on the "DreamLog.txt" and then on the "DreamLogLong.csv" If the DreamLogLong.csv is large, it will talke a little while to load the file.
HOW TO SELECT A LOG FILE
If there are more than one logfile, they will be sorted in time order, that means the latest logged transmission appears first in the window. Simply scroll down to get a previously logged transmission.
Click on the entry you want to plot. Depending on the size of the file, there will be a slight delay until the plot appears.
HOW TO SELECT A TRANSMITTER SITE
- If there is only one tx Site for this transmission, the Transmitter Site will be included in the Main Window under "TX Location".
- However, if there are several Sites using the same frequency you have to click in this window on the Transmitter Site. Otherwise the field "TX Location" will alert you to Select a TX Site.
- If the text in the Sites window reads "No Record", you can look for updates by clicking on the text "No Record"
1. Make sure you are connected to the Internet
2. Click "Yes" to update
3. If the update was successful, the TX Site will appear in the list
4. If the message "No Record" remains, the frequency was not yet uploaded. Please try at a later occasion
HOW TO SWITCH BETWEEN SHORT PATH AND LONG PATH TO THE TRANSMITTER (From Ver. 14.0)
Short Path (Default)
- The default distance to the Transmitter Site is the Short Path.
- The Long Path can be displayed by clicking the text "Distance to TX Site:"
- Another click will toggle back to the Short Path
HOW TO SELECT WHAT YOU WANT TO SEE IN THE PLOT
- A Grid will be present as default. You can de-select the plotting of a grid if you think it disturbs your eye.
- Doppler is plotted as default. Sometimes, when the reception is unstable, the Doppler plot may disturb the picture. If this is the case there are two options:
- You get a messy Doppler plot. It is possible to limit the maximum plot level by just clicking on the Doppler tags on the right. Valid tags are 0.25 Hz to 1.5 Hz. Restore by clicking on "0" in "Doppler"
- If the Doppler still is a mess, de-select this option to hide the trace completely.
- Delay is plotted as default. Sometimes, when the reception is unstable, the Delay plot may disturb the picture. If so, de-select this option.
- SNR is plotted as default. If you don't want to plot SNR, de-select this option.
- Audio is plotted as default. If you don't want to plot Audio, de-select this option.
PLOTTING AUDIO AS A SMOOTH OR A ROUGH LINE
- The Audio Plot is drawn as a smooth curve as default.
The smoothing is made by plotting every 10th line from Dream's "DreamLogLong.csv" file
- If set to the "Rough" option, the plotter will plot the Audio for every line read from the "DreamLogLong.csv" file, but the overall impression might look a bit messy.
PLOTTING AUDIO AS A THIN OR A THICK LINE
- The thickness of the Audio line is drawn as a thinner line as default.
- If the log is longer than 6 hours, the Audio will be plotted with the thinnest line option.
Note: In case the checkbox "Always Plot Audio Thin" (in Ver. 15.0 and up) is ticked, the Audio will be plotted with the thinnest line option as default.
- If you select the "Thick" option, the plotter will show the Audio a bit more clearly.
HOW TO LIMIT THE DOPPLER PLOT
Information: In Version 15.0 and up the functions described below are no longer present as the Doppler plot was changed from a Linear scale to a Logarithmic scale.
If the logged transmission was unstable or had interrupts, the Doppler plot often looks messy with large swings like in the left picture. It is possible to de-select the Doppler plot, but it is also possble to limit the maximum of the Doppler curve.
The maximum value can be chosen by clicking on the Doppler value, in this case 0.75 Hz in the right picture. Valid clicks are 0.25 Hz - 1.5 Hz.
Press "0" in "Doppler" to restore the Doppler plot.
HOW TO USE THE ZOOM IN THE LOG
To Zoom In, press Enter, press the "Zoom" Command Button or ALT + Z.
- The Zoom Function is practical to cut off the spill at the end of a log.
- Further, the Zoom Function is useful to zoom in to parts of interest. The more you zoom in, the more details will be plotted.
- You have the choice of writing the time either as " 12:25" or just " 1235" . The program will automatically adjust the format.
- Be sure to input 9h45m as "0945" with the "0" in front. You can only start with a digit 0, 1 or 2.
To Restore, press the "Restore" Command Button or ALT + R.
HOW TO USE THE TRIM TOOL IN THE LOG
To restore the log, select the log again in the "Select Log" List.
- The Trim Tool is practical to cut off one minute at the beginning and the end of a log.
- Repeated clicks cut further one minute off at both ends.
HOW TO COMPARE THE SNR AND AUDIO FROM TWO LOGS
To compare two logs, first activate this function by clicking on the Compare button. Then select another log to compare with.
Note: It is not possible to compare logs if the Main Log is less than 15 minutes long.
The two plots are identified by their different colours. The Doppler and Delay checkboxes are automatically deactivated to avoid too much clutter when comparing two logs. It is possible to activate these functions manually if one so wishes.
By clicking in the field above the plotting area it is possible to toggle between the Main Log and Compared Log data. The data for the compared log is limited to Max. SNR and Decoded Audio.
The Audio Plot can be suppressed by clicking on the words Audio, Main or Compare in the upper left corner of the plotting area.
A warning will sound if the logs do not overlap.
HOW TO USE THE AUTOPLOT OPTION
HOW TO COMPARE A DREAM LOG AND DR111 LOG
It is possible in Ver.11 and up to compare a log taken with Dream on one receiver and a log from Newstar's DR111 (or vice versa). Assuming using the Dream Log as Main Log and the DR111 Log as the log to Compare, do as follows:
- Update the Dream Logs (the ".txt" and the ".csv")
- Select the Main Log from the list (the log is plotted)
- If there are Multiple TX Sites, select the Transmitter Site
- Click the button "Comp. Log"
- Click on "Set-Up"
- Under Select Software Logfiles, select the DR111 option
- Click "OK" to return to the DRM-Plotter
- Click on "Update" and navigate on the SD Card and open the Directory "drm_log"
- Update the DR111 Logs (the ".txt" and the ".csv")
- Select the Compare Log from the list (the log is plotted)
Dream must be logging if you want to use Auto Plot . First Update the Log Files. Then select the first log in the "Select Log" list. This activates the Auto Plot command button.
In the Autoplot window you can set the following parameters:
During a running log with Dream it is possible to follow the logging in DRM-Plot. The plot can be viewed from the start or in segments. You may select from the following options:
- Select a Scroll Interval
- Select the Refresh Rate
The refresh Rate can be set to:
- Scroll from the Log Start
- Scroll 5 minutes
- Scroll 10 minutes
- Scroll 15 minutes
- Scroll 20 minutes
- Scroll 30 minutes
- Scroll 40 minutes
- Scroll 60 minutes
- Refresh (only once)
- 10 seconds
- 30 seconds
- 1 minute
- 2 minutes
- 4 minutes
Select how you want to plot. Click OK.
The caption of the Auto Plot command button changes to "Stop".
To change the Auto Plot settings, click Stop, wait a second, then click Auto Plot again.
The best refesh rate is two or four minutes. The larger the csv file gets, the longer it takes to prepare and perform the refresh.
NOTE FOR WINDOWS VISTA USERS:
When the DreamLogLong.csv file is less than about 2 MB, Windows Vista causes an error message "Dream is not logging" when pressing the command button "Autoplot". To be able to start Autoplot, a workaround has been included.
Dump Dream Configuration:
Use this function to generate a Screen Dump of the Dream windows. This is useful if you would like to monitor the Mode changes and their configurations (if any) during a log. As soon as the DRM-Plotter senses a Mode change it will dump the screen and save it. It is necessary to have Dream visible on the Desktop. Never mind if the DRM-Plotter covers Dream on the desktop, the DRM-Plotter will temporarily automatically minimize itself.
CHANGE OF THE BACKGROUND COLOUR OF THE PLOT AREA
- Click "Print Plot" in order to print a hard copy of the plot
- The plot field background will automatically xhange from Black to White to save toner
- The background will change back to black after the printing has finished
If you absolutely insist of having a white background instead of black, there is a possibility to to so. Open the directory where the DRM-Log Plotter is, locate the file "drmplotter.ini" and open it with a text editor (such as Notepad). Then change the value "20" on the 4th line to "255". However, the clarity of the plotte curves is best with a black background.
HOW TO PRINT A COPY OF THE PLOT AREA TO YOUR PRINTER
If you want to want to print a hard copy of the Plot on your local printer, turn on the printer connected to the computer.
Press the button "Print Plot" to proceed.
HOW TO ADD A TRANSMITTER SITE TO THE LIST
To add a New Site you must fill in the Service Name, Transmitter Location and the Frequency before you can add the new Transmitter Site.
Press the Button "Add Site" to add the new TX Site to your list.
- Write a Service Name, i. e. "A new DRM Service"
- Write the Transmitter Site, i. e. "The Transmitter Site"
- Type the Frequency in kHz. Note: The frequency must be higher than 100 kHz
Note that if no coordinates are given the Distance to TX will be set to "0" and this field will not be active.
If you know the coordinates of the Transmitter Site, then
When all the fields are filled in, press the Button "Add Site" to add the new TX Site to your list.
- Type the Latitude in Degrees and Minutes
- Type the Longitude Degrees and Minutes
- Change the fields "N" and "W" to "S" or "W" if necessary
The Command Button "Clear Fields" erases the contents in all the fields except for "N" and "E"
HOW TO VIEW DETAILS OF A TRANSMITTER SITE
To see the properties of a Transmitter Site:
You can not edit these fields, but if you like you have the option of deleting the site if you feel that the frequency is outdated. If you decide to delete the entry, the programme saves the previous version in the C:\dreamplot folder as "drmtransmittersites.bak"
- The list of frequencies appear in the window when the window opens. Write the frequency in the Find QRG field or scroll down until you find the frequency you are looking for and click on it.
- The corresponding TX site(s) will be shown in the field below. If you click on a frequency in the Find QRG window, the Site will display automatically. If you prefer to select from the list, you must click on the site you want to see the properties for.
- The data for the Transmitter Site will be listed in the fields to the left. If there are more DRM stations operating on one frequency, you would see a multiple choice in the lower field. The details will only show up if you click on the site that corresponds to the DRM station. The Distance to the Site and the Azimuth is also shown.
HOW TO CHANGE A TRANSMITTER SITE FREQUENCY
If there is new frequency for this Transmitter Site, this option makes possible to simply open up the TX Site and add the new frequency.
- Click the Sites button.
- Select an existing Frequency and the Service
- Select the Site from the list that is shown below
- Write the new Frequency. Note: The frequency must be higher than 100 kHz
- Click the button Add Site
- Press OK to save or Cancel to exit
HOW TO DELETE A TRANSMITTER SITE
To delete a site from the list, first perform the 3 steps in How to View Details of a Transmitter Site above.
Before the entry is removed, you can decide to proceed or cancel the operation.
HOW TO UPDATE YOUR TX SITES LIST FROM THE WEB
You can update your TX Sites file from the web by pressing the "Update" button. You will be prompted to proceed or quit. If you proceed, DRM-Plotter will download the latest TX Sites file from a web server, compare it to your local TX Sites file and add the entries it could not find on your computer. The entries you might have added yourself will be left as they are. No TX Sites will be deleted.
SHOW SNR MAX, SNR MIN AND AVERAGE SNR IN THE LOG
To show the Max. SNR and Min. SNR in a log, click on the text to the left of the SNR values. A dot will show the event in the SNR plot. If you click on the text "Average", a dotted line is added to the plot.
The markers for Max and Min SNR stay visible as long they are not de-activated. Click on the "Check" symbol to de-activate.
The Average SNR dotted line will remain visible when a different log is loaded or if Auto Plot performs a refresh. A click on the "Check" symbol disables the dotted line.
SHOW THE MODE CHANGES IN A LOG
If you click on the frame caption "DRM Modes Used" you will get Mode Change Labels added to the plot, provided there was a mode change during the logged transmission. The labels are placed with their left edge at the time of the mode change.
In case the log is zoomed when Mode Change labels are present they will not be rearranged so you need to click on the frame caption "DRM Modes Used" again. To erase the Mode Change labels, click on the log file in the "Select Main Log".
HOW TO ADD S-METER LEVELS TO THE LOG
The automatic recording of Signal Levels is not implemented, but if you take note of the Signal Levels during the logging period, you can enter those readings manually and present it in the log as dots or as a gray line with dots. A scale in dBµV appears in the main plotter window to the left.
The scale spans from +80 dBµV (10 mV in 50 Ohm) to -10 dBµV (0.31 µV in 50 Ohm) at the bottom. Levels exceeding +80 dBµ will be diplayed as red dots at the +80 dBµV level. The same happens for levels below -10 dBµV, which will be displayed as blu dots on the 0 dBµV level. Red or blue dots indicate that the plot is actually outside the limits of the the plotting window.
You can choose from writing the levels in
- S-Meter readings
The 17 fields correspond to the Time Axis in the Plotting Field. When you note the S-Meter levels during the logging, you will find that one of the times in the "Plot Antenna Input Levels" will correspond to or be near the time of your notes.
Please note that the plotted curve is always displayed as dBµV in the plotted area, even if you wrote dBm or S-Levels. Each plotted dot gets a label with the calculated dBµV to the right of the dot.
Input Levels as dBµV
- Write the levels as numbers
- Positive values are written as "34" (without "+" in front)
- Negative values are written as "-6" (with "-" in front)
- The max. level within the plot area is: 80 dBµV
- The min. level within the plot area is: -10 dBµV
Input Levels as -dBm
- Write the levels as numbers
- Normally values are written as "-54" (with "-" in front)
- Positive values are rather unlikely and will be outside the limits anyway.
- The max. level within the plot area is: -27 dBm
- The min. level within the plot area is: -117 dBm
Input Levels as S-Meter readings
- Write the S-Meter values as numbers between 1 and 9
- Valid entries above S9 is: +5 dB, +10 dB, +20 dB, +30 dB, +40 dB, +50 dB and +60 dB
- S Values above S9 must be written as "+30" (with "+" in front)
- Please do not try to enter "9+5". The program won't like it!
- The maximum S-Meter level within the plot area is: S9 +50 dB (+84 dBµV )
- The minimum S-Meter level within the plot area is: S2 (-8 dBµV)
- You MUST add the RX Levels as the last step. Any zoom or restore operations will then place your input level values in the wrong position!
- It is not necessary to fill in all the 17 fields.
- The S-Meter levels written to the list will remain until you erase them manually with the button "Erase Levels". That means, the values were not lost in case you accidentally looked at another log in the meantime.
- Any changes, like deleting Doppler or applying zoom will hide your levels! Then go to "S-Levels" and click on the "Plot" Button to show the comments.
- The plotted curve is always displayed as dBµV, even if you wrote dBm or S-Levels.
HOW TO ADD COMMENTS TO THE LOG
It is possible to add up to 6 comments to the log. The text will always be placed above the SNR curve. The comments will appear at the time you enter in the "Time" field. The comment may be up to 32 characters long. First write the time, then write the comment. The text will appear in the plot as soon as you write.
When you write a comment towards the end of the log, note that the text will automatically stop at the end of the plot. Long notes may collide with each other.
A 7:th comment up to 90 characters long can be added to the plot. The time stamp for this comment is hidden.
If you are not satisfied how the comments look, you can either clear them one by one with the button on the right to the text field, or you can erase all with the button "Clear All"
- The Comments written to the list will remain until you erase them manually with the button "Clear All". That means, the Comments were not lost in case you accidentally looked at another log in the meantime.
- Applying "Zoom" or "Restore" will automatically bring your text to the correct position.
HOW TO SAVE A LOG FILE
Logfiles can be saved under a file name. The logs can be saved either as the complete log from beginning to end, or you could save a zoomed part of the log. The saved files are saved in the directory "C:\drmplot\logfiles\"
To save a log, press the command button "Save Log" (or press ALT + V). Before the log is saved you will be asked whether you want to save this log or not.
HOW TO LOOK UP A SAVED LOG FILE
- To load a logfile, press the command button "Load Log" (or press Alt+L).
If a logfile already was loaded, you will be warned that this log will be overwritten.
- Navigate to the drmplot directory and double-click on the directory " Logfiles".
- Select a log and doubleclick on the file name or press the command button "Open".
- The selected log opens in the DRM-Plotter Main Window.
HOW TO MAKE A SCREEN SHOT OF THE LOG
You can save the log as a Screen Shot. The format of the screen dump is a PNG File (*.png).
To make a Screen Shot of the Log, press the command button "Screenshot" (or press ).
The Screen Shot will be saved in the C:\DRMPlot\screenshots
Before the Screen Shot is saved you may cancel the operation.
The PNG files are about 35 kb. Be sure to download freeimage.dll to your C:\DRMPlot\ directory.
THE FAC BIT ERROR SUMMARY WINDOW
- Click on the text FAC CRC to open the Bit Error Log
- Click in the frame to see a detailed list of all errors
- A complete list of errors including the time they occurred
THE DECODED AUDIO ERROR SUMMARY WINDOW
- Click on the text "Decoded Audio" to open the Bit Error Log
- Click in the frame to see a detailed list of all errors
- A complete list of errors including the time they occurred
Under Summing Up you get:
Note: Azimuth is NOT implemented in V3.4LE
- All data from the log plot in plain text
HOW TO SET YOUR TWITTER ACCOUNT ADDRESS
You should enter the path to your Twitter account:
- Click Set-Up to go to the Basic Set-Up Parameters
- At the bottom of the form, click "Tweet"
- Write a valid Twitter Address like "https://twitter.com/your account"
- Click "Save"
- Close the form
HOW TO SEND A TWEET TO YOUR TWITTER ACCOUNT
- Select a log to tweet
- Click the "Publish" button
- At "Upload a Log to Twitter" Click "Go"
- You will be asked if you want to create a Summary of this log to tweet. If you select "Yes", then a screen shot of the Summary form will be saved under "Tweets" in the C:\Drmplot\ folder and the TWEET form opens
- The Tweet will look something like this:
2012-08-03 0656Z 1h02m 47N/08E 7355kHz #BBCWorldService_DRM #Dream 32.6dBavgSNR 99.9%audio #drmlog
The Tweet consists of the Date, Start Time, Length of the Log, your Location, the Label, the Software used, the Average SNR, the Decoded Audio and a hash tag followed by "drmlog"
- You can add the quality of the reception by clicking Excellent, Good, Fair, Poor or No comment
- Feel free to write own comments in the tweet
- Click "Tweet" to go to Twitter
- Open "Compose new tweet" and paste your tweet by pressing CTRL+V from the keyboard
- If you want, add the Summary or the Screenshot of your log
HOW TO COMPOSE AND SEND A MANUAL TWEET
A new Form opens and you can enter all parameters in the fields as you like:
- Click the "Publish" button
- At "Compose a Custom Log Tweet" click "Go"
- Write the date of your Tweet in the YYYY-MM-DD format
- Write the Start Time of the log in the "HHMM" format
- Enter the length of the log in hours and minutes
- Write your Location
- Enter the Transmitter Frequency (in kHz)
- Write the Label, i.e. REE (the "_DRM" will be appended automatically)
- Write your Receiver, i.e. DR111 (the hashtag will be added automatically
- Add the Average SNR and the Percent Decoded Audio
- Select the Reception Quality from the list
- If you feel like it, add a Comment
- In order to tweet, all fields except the own comment are mandatory.
- Click "Tweet" to post the tweet with Twitter
SEARCH TWITTER FOR HASHTAGS:
There are two fixed keywords in the search options, "#drmlog" and "#DR111". You can add another six of your own. It is possible to change the keywords by clicking "Edit".
Click either of the buttons named "Custom" and a new form opens:
- Enter the Hash followed by the Tag, in this case "#REE".
- Click "Add"
Clicking the #REE button will open Twitter and show the resuls for this Hashtag.
To delete this Hastag, click "Edit" and highlight the "#REE" and delete it, then click on "Add". The button will be renamed to "Custom".
MAXIMUM NUMBER OF LOGS
You may log up to 300 entries in one DreamLog.txt file, but the DreamLogLong.csv will grow very large. Therefore, when the number of logs exceed 280 you will see the following warning message:
This message warns you that your files are growing too large. You can click "OK" and go on with your session, but after you finish working with DRM-Plotter you should look for the DreamLog.txt and the DreamLogLong.csv in the Directory where Dream puts these files and rename them.
A simple renaming to "DreamLogA.txt" and "DreamLogLongA.csv" lets you select them with the "Update" command button.
When you start Dream, new DreamLog.txt and DreamLogLong.csv are automatically created.
THE DRM FORUM SHORT-CUT
Use this Button to get to the "DRM Reception Project Forums" in web. The entry point in the DRM Software Radio Forum can either be the Start Page or the Search Forums Page depending how you selected the options in the Basic Setup Parameters.
In case the option Search Forums Page is selected then simply paste the selected Log Frequency in the Keyword(s) by pressing CTRL+V
DREAM SIMPLE SCHEDULED EVENT
This feature comes in handy if you are using an analogue receiver and want to log something when you're not home or is asleep or cannot attend the programme.
IMPORTANT: The "Set Event" button will only work after a fresh DRM-Plotter Start.
If you are already using the DRM-Plotter, close it and re-start the DRM-Plotter.
First make sure that the paths to the DreamLog.txt, DreamLogLong.csv and Dream.exe correspond to the directory on your computer. If not, change the paths and save your settings. Also check that the Dream.exe is correct, otherwise change it and if necessary add switches (if any). This information is usually needed if you installed Dream in another directory than "C:\Dream"
Follow these steps to set up a Scheduled Event:
At the preset Start Time the following steps are preformed:
- Tune your Receiver to the desired frequency to log
- Type the Frequency. This will be used in Dream for the Log File Frequency
- Type the Time when Dream should start logging (usually when the programme is scheduled to start)
- Type the Time when Dream should stop the log (usually at the end of the programme)
- If you decide to Auto-Plot, check the "Start Auto Plot" checkbox
- Check the "Track Mode Changes" if you'd want to use this function
- If you want to switch off your computer when the log is done, check the "Turn Off the Computer at the end of the Log"
Caution: Keep in mind that any unsaved files and applications that are running on your computer will also be shut down without warning.
Use this function with those cautions in mind.
- Click "Accept" to save your settings.
Note: If you close this Scheduled Event window you will cancel your Scheduled Event!
At the preset Stop Time the following steps are preformed:
- Dream starts and begins logging after a delay of 15 seconds. This delay allows the Label in Dream to appear in the DreamLog.txt
- The Scheduled Event window closes
- If Auto Plot was selected, the DRM-Plotter starts AutoPlotting after a delay of 20 seconds. A refresh is done every four minutes.
- Dream will shut down at the pre-set time. If Auto Plot was selected, it will also stop.
- Finally, if the computer was scheduled to be turned off at the end of the transmission, Dream will shut down, if Auto Plot was selected, it will also stop, the DRM-Plotter is closed and the computer will be turned off.
THE DRM-PLOTTER SHORT-CUT KEYS (HOTKEYS)
|ALT + A
|| About this software
|ALT + B
||Opens the Basic Set-up (drmplot.ini) (V5.60 or higher)
|ALT + C
||Capture the screen as a Screenshot
|ALT + D
||Toggles the Doppler on / off
|ALT + E
||Opens the Signal Level screen
|ALT + F
||Opens the DRM Forum Home Page
|ALT + G
||Selects the TX Site
|ALT + H
|ALT + I
||Plot Audio as a Thin line
|ALT + J
|Erase the Dream Mode Change Screendump files (V3.47 or higher)
|ALT + K
||Plot Audio as a Thick line
|ALT + L
||Get a saved Log
|ALT + M
||Opens the Summary Screen
|ALT + N
||Plot or hide the SNR
|ALT + O
||Plot or hide the Audio
|ALT + P
||Opens the Receiver Profiles screen
|ALT + Q
|ALT + R
||Restores the screen Full Plot after a Zoom
|ALT + S
||Opens the TX Sites screen
|ALT + T
||Plots Smooth Audio
|ALT + U
||Opens the Update Data files window
|ALT + V
||Saves the current log to a log file
|ALT + W
||Shows the Logs
|ALT + X
||Opens the Input Text window
|ALT + Y
||Toggles the Delay on / off
|ALT + Z
||Performs a Zoom
LIMITS TO THE DRM-PLOTTER
It is recommended:
- ... not to log more than 280 transmissions in one single CSV file.
- ... not to log more than 24 hours for one transmission.
- ... not to let the CSV file be larger than 100 MB. (Larger files may, depending on your computer's CPU speed, cause problems with Auto-Plot).
It is not possible:
- ... to run more than ONE DRM-Plot on your computer. In DRM-Log Plotter V 3.2 (Build 944.2) and higher, an alert makes this impossible. Lower versions will cause (harmless) data loss.
- ... to enter TX Sites with a frequency lower than 100 kHz.
A FINAL SUMMARY OF THE DRM-PLOTTER
DRM-Log Plotter shows:
DRM-Log Plot calculates:
- Decoded Audio, absolute or relative
- Decoded Audio
- SNR from a second log when using the "Compare" function
- Maximum, minimum and average SNR
- Maximum, minimum and average Delay
- Maximum, minimum and average Doppler
- Decoded Audio in percent
- Distance to the Transmitter in kilometers
- The runtime of each log
Other DRM-Log Plotter features:
- A choice of a smooth Audio Plot or a Rough Audio Plot
- A zoom function lets you study segments of the log in detail
- Shows a list of DRM Modes used during the transmission and the time of Mode change
- Select the transmitter site for a given frequency
- Shows the Bandwidth and the Bit Rate at the time of the log start
Under Profiles you can:
The selected configuration is shown in the DRM-Log Plotter main window. It will stay until you select a different configuration from the list.
- Enter a Nickname for the Screenshots
- Write up to 99 different receiver and antenna configurations
- Edit a configuration entry
- Remove a configuration
- Delete the whole list of configurations
DRM Transmitter Sites:
Under DRM Transmitter Sites you can:
- List the frequencies in the data base
- Select a site or sites for a frequency
- Look up the coordinates for this site
- Add a custom site to the data base
- Delete a no longer used site from the data base
- Update the latest available TX Sites Data from the Web
Under Summing Up you get:
- All data from the log plot in plain text
- Save a log with Label and Site information
- Save a zoomed part of a log with Label and Site information
- Look up a saved log from your saved logs
- Save a Screen Dump of the log, which saves the form as a Bitmap File
- Send Tweets to your Twitter account
- Create Custom Tweets
- Search for DRM Logs
- Search for DR111 Logs
Download the newest version of DRM-Plot
Feel free to download the programme, the Transmitter Sites data and the readme file (a zip file) for Windows.
The software is supplied as is and IBIS (Consultants) will not be held responsible for any loss of data or any other problems that might occur from using this software.
The latest published version is Ver. 16.18 (Build 990.161.10). This HELP refers to this version (except for the SNR Average function).
Comments and suggestions are welcome. The e-mail address is included in the Readme File.
The DRM-Log Plotter has been been tested with the following versions of Dream:
DRM-Log Plotter has been tested on the following platforms:
Windows 2000 SP4
Windows Vista Home Edition
Windows 7 Home Premium 64 bit
(Windows 8.1 pending April 2015)
Another version of DRM-Plotter, V 6.388s (drmlogplot9188.8.131.52s.exe Special Edition) from 31st May 2010 with an automatic RX Level plotter is available upon request.
The DRM Plotter software uses the FreeImage open source image library. See http://freeimage.sourceforge.net for details. FreeImage is used under the (GNU GPL or FIPL), version (license version).
This HELP File was amended on 8th December 2015. Revised 31st October 2021