Ambient Weather OBSERVER WS-1550-IP User manual

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Ambient Weather WS-1550-IP OBSERVER Solar Powered Wireless
IP Weather Station User Manual
Table of Contents
1. Introduction.....................................................................................................................................................................2
2. Warnings and Cautions ...................................................................................................................................................2
3. Quick Start Guide ...........................................................................................................................................................2
4. Pre-Installation Checkout and Site Survey .....................................................................................................................2
4.1 Pre Installation Checkout..........................................................................................................................................2
4.2 Site Survey................................................................................................................................................................3
5. Getting Started................................................................................................................................................................3
5.1 Parts List...................................................................................................................................................................3
5.2 Recommend Tools.....................................................................................................................................................3
5.3 Sensor Array Set Up..................................................................................................................................................4
5.3.1 Install Wind Vane...............................................................................................................................................4
5.3.2 Install Wind Cups...............................................................................................................................................5
5.3.3 Install U-Bolts....................................................................................................................................................5
5.3.4 Install the Rain Gauge Funnel............................................................................................................................6
5.3.5 Install the Funnel Coil Filter..............................................................................................................................6
5.3.6 Install Batteries ..................................................................................................................................................7
5.3.7 Install Mounting Pole.........................................................................................................................................7
5.4 Best Practices for Wireless Communication.............................................................................................................8
5.5 Indoor Thermo-Hygrometer-Barometer Transmitter (Optional WH32B).................................................................8
5.6 Indoor / Outdoor 8-Channel Thermo-Hygrometer Transmitter (Optional WH31B).................................................8
5.7 Mounting the WH32B and WH31B Sensors..........................................................................................................10
5.8 PM2.5Air Quality Sensor.......................................................................................................................................11
6. Programming the ObserverIP Receiver.........................................................................................................................11
6.1 Hardware Requirements..........................................................................................................................................11
6.2 Software Requirements...........................................................................................................................................11
6.3 ObserverIP Physical Connections...........................................................................................................................11
6.4 Finding the ObserverIP on the Network from your Computer................................................................................13
6.4.1 PC Users...........................................................................................................................................................13
6.4.2 Mac Users ........................................................................................................................................................14
6.4.3 Linux Users......................................................................................................................................................14
6.5 Local Device Network Settings ..............................................................................................................................15
6.6 Station Settings.......................................................................................................................................................16
6.6.1 Weather Station Settings..................................................................................................................................16
6.6.2 Time Zone Setting............................................................................................................................................16
6.7 Live Data.................................................................................................................................................................18
6.7.1 Reset and Change Rain Totals..........................................................................................................................18
6.8 Weather Network Settings.......................................................................................................................................19
6.8.1 WeatherUnderground.com ...............................................................................................................................20
6.8.2AmbientWeather.net.........................................................................................................................................23
6.9 Calibration ..............................................................................................................................................................25
6.9.1 Relative Barometric Pressure Calibration Example.........................................................................................25
6.10 Adding Additional Sensors....................................................................................................................................28
7. Updating Firmware.......................................................................................................................................................29
8. Glossary of Terms.........................................................................................................................................................30
9. Specifications................................................................................................................................................................31
9.1 Wireless Specifications...........................................................................................................................................31
9.2 Measurement Specifications...................................................................................................................................32
9.3 Power Consumption................................................................................................................................................32

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10. Maintenance................................................................................................................................................................32
11. Troubleshooting Guide................................................................................................................................................33
12. Accessories..................................................................................................................................................................34
13. Liability Disclaimer....................................................................................................................................................34
14. FCC Statement............................................................................................................................................................34
15. Warranty Information .................................................................................................................................................35
16. California Prop 65.......................................................................................................................................................36
1. Introduction
Thank you for your purchase of the Ambient Weather WS-1550 Smart Wireless Weather Station with Remote
Monitoring. The following user guide provides step by step instructions for installation, operation and troubleshooting.
To download the latest manual, firmware upgrades and IP Finder Tools, visit:
http://www.ambientweather.com/observerip.html
The product is continuously changing and improving, particularly online services and associated applications. Make
sure you download the latest manual. Please visit:
https://ambientweather.net/product/ws-1550-ip
2. Warnings and Cautions
Warning: Any metal object may attract a lightning strike, including your weather station mounting pole. Never
install the weather station in a storm.
Warning: Installing your weather station in a high location may result in injury or death. Perform as much of the
initial check out and operation on the ground and inside a building or home. Only install the weather station on a clear,
dry day.
3. Quick Start Guide
Although the manual is comprehensive, much of the information contained may be intuitive. In addition, the manual
does not flow properly because the sections are organized by components.
The following Quick Start Guide provides only the necessary steps to install, operate the weather station, and upload to
the internet, along with references to the pertinent sections.
Required
Step
Description
Section
1
Assemble and power up the sensor array
5.3
2
Power up the indoor thermometer-hygrometer-barometer (optional WH32B sensor)
5.5
3
Program and power up the optional outdoor thermo-hygrometer sensors (optional WH31B).
5.6
4
Power up the ObserverIP, and connect to your router.
6
5
Select the weather station type WS-1550-IP.
6.6.1
6
Mount the sensor array
5.3.7
7
Calibrate the relative pressure to sea-level conditions (local airport) on the ObserverIP module
(optional WH32B sensor)
6.9
8
Reset the rain to zero on console
6.7.1
9
Register and upload to Weather Servers
6.8
4. Pre-Installation Checkout and Site Survey
4.1 Pre Installation Checkout
Before installing your weather station in the permanent location, we recommend operating the weather station for one
week in a temporary location with easy access. This will allow you to check out all of the functions, insure proper
operation, and familiarize you with the weather station and calibration procedures. This will also allow you to test the
wireless range of the weather station.

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4.2 Site Survey
Perform a site survey before installing the weather station. Consider the following:
1. You must clean the rain gauge every few months and change the batteries every 2-3 years. Provide easy access
to the weather station.
2. Avoid radiant heat transfer from buildings and structures. In general, install the sensor array at least 5’ from
any building, structure, ground, or roof top.
3. Avoid wind and rain obstructions. The rule of thumb is to install the sensor array at least four times the
distance of the height of the tallest obstruction. For example, if the building is 20’ tall, and the mounting pole is
6’ tall, install 4 x (20 – 6)’ = 56’ away.
4. Wireless Range. The radio communication between receiver and transmitter in an open field can reach a
distance of up to 330 feet, providing there are no interfering obstacles such as buildings, trees, vehicles, high
voltage lines. Wireless signals will not penetrate metal buildings. Under most conditions, the maximum
wireless range is 100’.
5. Radio interference such as PCs, radios or TV sets can, in the worst case, entirely cut off radio communication.
Please take this into consideration when choosing ObserverIP receiver or mounting locations. Make sure your
ObserverIP receiver is at least five feet away from any electronic device to avoid interference.
6. Visit Ambient Weather Mounting Solutions for assistance and ideas for mounting your weather station:
http://www.ambientweather.com/amwemoso.html
5. Getting Started
The WS-1550-IP weather station consists of a ObserverIP receiver, and an all in one sensor array.
5.1 Parts List
QTY
Item
1
ObserverIP Module
1
SensorArray
1
Wind Vane
1
5V DC Adaptor
2
Pole mounting U-bolts
2
Pole mounting U-bolt nuts
1
Ethernet Cable
1
Allen wrench
1
ObserverIP Module Reset Tool
1
User manual
5.2 Recommend Tools
•Precision screwdriver (for small Phillips screw on battery cover door)
•Adjustable wrench (for mounting pole)
•Compass or GPS (for wind direction calibration)

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5.3 Sensor Array Set Up
(a)
(b)
Figure 1
No
Description
No
Description
1
Wind Vane (measures wind direction)
7
Solar panel
2
Wind Speed Sensor (measures wind speed)
8
U-Bolt
3
UV sensor/ Light sensor
9
Battery compartment
4
Thermometer-hygrometer sensor (measures temperature
and humidity)
10
Reset button
5
Rain collector
11
LED transmitter Indicator
6
Bubble level
5.3.1 Install Wind Vane
Reference Figure 2. (a) Locate and align the flat key on the wind vane shaft to the flat key on the wind vane and push
the vane on to the shaft. (b) tighten the set screw with a precision screw driver and make sure the wind vane spins
freely.
Note: You may need to back out the set screw first before sliding the vane onto the shaft.
Note: The wind vane shaft does not spin as freely as the wind cups. This is by design. The dampening prevents
the wind vane from spinning with the slightest breeze, which will result in variable wind all of the time. The added
resistance allows the wind vane to change direction with 2 –3 mph, providing a much better wind direction tracking.
(a)
(b)
Figure 2

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5.3.2 Install Wind Cups
Reference Figure 3. (a) push the wind cups on to the shaft. (b) tighten the set screw with a precision screw driver and
make sure the wind cups spin freely.
Note: You may need to back out the set screw first before sliding the cups onto the shaft.
(a)
(b)
Figure 3
5.3.3 Install U-Bolts
Note: Your U-bolts may have come preassembled at the factory.
(a) Insert the U-Bolts into the sensor array mounting bracket and hand tighten the nuts.
(b) Tighten the nuts to fit the size of your mounting pole (between 1” and 2” diameter
(c) Insert the sensor array and U-Bolt assembly onto the mounting pole.
(d) Tighten the U-Bolts around the pole with an adjustable wrench. Make sure the sensor array is level.
(a)
(b)

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(c)
(d)
Figure 4
5.3.4 Install the Rain Gauge Funnel
Reference Figure 5. Install the rain gauge funnel. Rotate clockwise to attach the funnel to the sensor array.
Figure 5
5.3.5 Install the Funnel Coil Filter
To install the funnel coil filter, press the coil until the hook is inside the hole at the bottom of the funnel, and locked in
place. The spring tension will keep the filter sit tight on the funnel.

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5.3.6 Install Batteries
Reference Figure 6. Insert 2 x AA non-rechargeable batteries (not included) into the battery compartment. The LED
indicator on the back of the transmitter will turn on for four seconds, and then flash once every 16 seconds (the sensor
transmission update period).
(a)
(b)
Figure 6
Note: If the LED does not light up, or stays on permanently, make sure the battery polarity is correct, or the
batteries are fresh. Do not install the batteries backwards. You can permanently damage the thermo-hygrometer.
Note: We recommend lithium batteries for cold weather climates, but alkaline batteries are sufficient for most
climates. We do not recommend rechargeable batteries. They have lower voltages, do not operate well at wide
temperature ranges, and do not last as long, resulting in poorer reception.
5.3.7 Install Mounting Pole
Reference Figure 7. The mounting assembly includes two U-Bolts and a bracket that tightens around a 1 to 2”
diameter pole (not included) using the four U-Bolt nuts.
(a)
(b)
Figure 7
Use the bubble level next to the rain sensor to make sure the sensor array is completely level. If the sensor array is not

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level, the rain gauge, UV and solar radiation sensors will not measure properly.
Note: If you cannot read the bubble level due to mounting constraints, place straddle a line or ruler level across
the top of the rain gauge for easier viewing.
5.3.7.1 Aligning the Wind Direction
Locate the four wind vane compass rose indicators of N, E, S, W (representing North, East, South and West) at the base
of the wind vane.Align the compass rose direction upon final installation with a compass or GPS.
5.4 Best Practices for Wireless Communication
Wireless communication is susceptible to interference, distance, walls and metal barriers. We recommend the following
best practices for trouble free wireless communication.
1. Electro-Magnetic Interference (EMI). Keep the console several feet away from computer monitors and TVs.
2. Radio Frequency Interference (RFI). If you have other 915 MHz devices and communication is intermittent,
try turning off these other devices for troubleshooting purposes. You may need to relocate the transmitters or
receivers to avoid intermittent communication.
3. Line of Sight Rating. This device is rated at 300 feet line of sight (no interference, barriers or walls) but
typically you will get 100 feet maximum under most real-world installations, which include passing through
barriers or walls.
4. Metal Barriers. Radio frequency will not pass through metal barriers such as aluminum siding. If you have
metal siding, align the remote and console through a window to get a clear line of sight.
The following is a table of reception loss vs. the transmission medium. Each “wall” or obstruction decreases the
transmission range by the factor shown below.
Medium
RF Signal Strength Reduction
Glass (untreated)
5-15%
Plastics
10-15%
Wood
10-40%
Brick
10-40%
Concrete
40-80%
Metal
90-100%
5.5 Indoor Thermo-Hygrometer-Barometer Transmitter (Optional WH32B)
The indoor thermometer, hygrometer and barometer measures and displays the indoor temperature, humidity and
pressure and transmits this data to the ObserverIP receiver.
Note: Do not install the thermo-hygrometer-barometer transmitter outside. This will cause errors in the barometric
pressure due to large variations in temperature (barometric pressure is temperature compensated for accuracy). Note
that pressure readings made inside your home, business, or facility will correspond closely to the actual barometric
pressure outside.
Note: The thermo-hygrometer-transmitter transmits directly to the ObserverIP receiver. For best results, place
between 5 to 20 feet from the ObserverIP receiver.
Note: To avoid permanent damage, please take note of the battery polarity before inserting the batteries.
Remove the battery door on the back of the sensor by sliding off the battery door. Insert two AA batteries as shown in
Figure 2, and close the battery door. Note that the temperature, humidity and barometer will be displayed on the LCD
display.
5.6 Indoor / Outdoor 8-Channel Thermo-Hygrometer Transmitter (Optional

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WH31B)
Note: Thee 8-channel sensors only appear on AmbientWeather.net. They are not supported on Weather
Underground. Unlike other sensors, they cannot be calibrated or adjusted from the ObserverIP modules User Interface.
Note: Do not use rechargeable batteries. We recommend fresh alkaline batteries for outdoor temperature ranges
between -4 °F and 140 °F and fresh lithium batteries for outdoor temperature ranges between -40 °F and 140 °F.
1. Remove the battery door on the back of the transmitter(s) by sliding down the battery door, as shown in Figure 8.
Figure 8
2. BEFORE inserting the batteries, locate the dip switches on the inside cover of the lid of the transmitter.
3. Channel Number: The ObserverIP supports up to eight transmitters. To set each channel number (the default
is Channel 1), change Dip Switches 1, 2 and 3, as referenced in Figure 8.
4. Temperature Units of Measure: To change the transmitter display units of measure (°F vs. °C), change Dip
Switch 4, as referenced in Figure 8.
Switch in down position. Switch in up position.

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Figure 9
5. Insert two AA batteries.
6. Verify the correct channel number (CH) and temperature units of measure (°F vs. °C) are on the display, as
shown in Figure 10.
Figure 10
(1) temperature
(2) temperature units (°F vs. °C)
(3) channel number
(4) relative humidity
7. Close the battery door.
8. Repeat for the additional remote transmitters, verifying each remote is on a different channel.
5.7 Mounting the WH32B and WH31B Sensors
Note: If you mount the sensor outside, It is recommended you mount the remote sensor on an outside north
facing wall, in a shaded area, at a height at or above the receiver. Direct sunlight and radiant heat sources will result in
inaccurate temperature readings. Although the sensor is weatherproof, it is best to mount in a well protected area, such
as an eve.
Use a small nail or screw (included) to mount to a vertical surface, as shown in Figure 11.

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Figure 11 Figure 12
The sensor can also be hung from a nylon zip tie (included) or string (not included).
5.8 PM2.5 Air Quality Sensor
The ObserverIP module supports one PM2.5Air Quality sensor. For more information, please visit:
https://ambientweather.net/product/pm25
6. Programming the ObserverIP Receiver
6.1 Hardware Requirements
1. Broadband router
2. An “always-on” connection to the Internet. A high speed DSL or cable internet connection that maintains
constant connection to the internet.
6.2 Software Requirements
An IP scan tool is required to locate the ObserverIP on the network.
Important Note: Download ObserverIP tools at the following location:
www.AmbientWeather.com/observerip.html
6.3 ObserverIP Physical Connections
Connect the ObserverIP receiver power jack to AC power with the power adapter (included), as shown in Figure 14,
reference 10.
Connect the OberverIP receiver to your router using the Ethernet cable (included), as shown in Figure 14, reference 8.
Place the sensor array and indoor thermo-hygrometer transmitter about 5 to 10 feet from the ObserverIP receiver and
wait several minutes for the remote sensors to synchronize with the receiver. Once synchronized, the Indoor blue LED
(Figure 13, reference 2) and Outdoor blue LED (Figure 13, reference 3) will be illuminated.

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Ref.
LED
Description
1
RF
On when radio frequency receiver is operating properly
2
Indoor
On when indoor sensor received
3
Outdoor
On when outdoor sensor array received
4
Server
On when connected to Wunderground.com® internet hosting service
5
ACT
Flashes when there is internet activity
6
Link
Connected to the Internet (or router)
7
Power
AC Power connected
Figure 13
Ref.
Description
8
LAN connection (connect to router)
9
Reset button (use IP Module reset tool or open ended paper clip)
10
AC Power connection
Figure 14

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6.4 Finding the ObserverIP on the Network from your Computer
6.4.1 PC Users
To find the ObserverIP receiver, launch the IPTools application downloaded here:
www.AmbientWeather.com/observerip.html
The HostIP (your computers IP address) will be displayed. Press the OK button to continue.
Figure 15
Select the Search button to find the ObserverIP on your local area network.
Figure 16
Select the ObseverIP module on your network as shown in Figure 17 (the field will be highlighted) and select the
Open button (or double click this field) to view the ObserverIP module’s webpage within your browser. Alternately,
you can type the IP address in your web browser address bar (example, Figure 18):
Figure 17

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Figure 18
You are now communicating directly to the ObserverIP and can proceed to Section 6.4.
6.4.2 Mac Users
To find the ObserverIP receiver, launch the IPTools application downloaded here:
www.AmbientWeather.com/observerip.html
The file is compressed as a zip file and must be extracted to run.
Select the Search button to find the ObserverIP on your local area network.
Figure 19
Select the ObseverIP module on your network as shown in Figure 19 (the field will be highlighted) and select the Open
button (or double click this field) to view the ObserverIP module’s webpage within your browser. Alternately, you can
type the IP address in your web browser address bar (example, Figure 18):
Figure 20
You are now communicating directly to the ObserverIP and can proceed to Section 6.4.
6.4.3 Linux Users
If you use anApple or Linux operating system, download any commercially available IP scan tool, such asAngryIP
Scanner and find the MAC address of the ObserverIP. The MAC address is a unique identifier for internet enabled
devices.

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The MAC address will be printed on the bottom of the ObseverIP receiver.An example MAC address is
00:0E:C6:00:00:19.
We have included links to free IP Scan Tool applications here:
www.AmbientWeather.com/observerip.html
Figure 21 shows typical scan results. Locate the IP address of the ObserverIP by cross referencing the Mac address. In
the example below, the IP address is 192.168.0.105.
Figure 21
Type the IP address you located from the IP Scan Tool into your web browser (example, Figure 22):
Figure 22
You are now communicating directly to the ObserverIP and can proceed to Section 6.4.
6.5 Local Device Network Settings
From your web browser, access the ObserverIP from the IP address obtained in the previous section.
Basic users will not normally need to change any of the settings on this panel.
For Advanced Users:
Select the Local Network tab to program the local network settings. Reference Figure 23:
1. IP Address. The default setting is receive automatically (DCHP), which is recommended. The network will
assign an IP address. To statically assign an IP address, select Static from the pull down menu. This will
prevent the IP address from changing each time you power up the ObserverIP receiver.
2. Static IP Address. If Static is selected as the IP address, enter the IP address you wish to access the ObserverIP
device.
3. Static Subnet Mask. Default is 255.255.255.0. This should not be changed unless you are familiar with
networking and subnet masking.
4. Static Default Gateway. This is typically the IP address of your router.
5. Static DNS Server. This is your DNS Server setting based on your router connection.
6. Server Listening Port. Default is 5000. Enter an integer between 1024 –65535.
If you made any Static IPAddress changes (not recommended), to confirm these changes, select Apply and Reboot.
Note: If you incorrectly set the static IP settings and can no longer access the ObserverIP, press the reset button on the

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back of the module.
Figure 23
6.6 Station Settings
Select Apply to confirm any of the changes in this section.
6.6.1 Weather Station Settings
Weather Station Model Number: Enter your weather station model number WS-1550-IP:
Figure 24
6.6.2 Time Zone Setting
Enter your local time zone and daylight Savings Time.

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The following table provides times zones throughout the world. Locations in the eastern hemisphere are positive,
and locations in the western hemisphere are negative.
Hours from
GMT
Time Zone
Cities
-12
IDLW: International Date Line West
---
-11
NT: Nome
Nome,AK
-10
AHST: Alaska-Hawaii Standard
CAT: Central Alaska
HST: Hawaii Standard
Honolulu, HI
-9
YST: Yukon Standard
Yukon Territory
-8
PST: Pacific Standard
Los Angeles, CA, USA
-7
MST: Mountain Standard
Denver, CO, USA
-6
CST: Central Standard
Chicago, IL, USA
-5
EST: Eastern Standard
New York, NY, USA
-4
AST: Atlantic Standard
Caracas
-3
---
São Paulo, Brazil
-2
AT:Azores
Azores, Cape Verde Islands
-1
WAT: West Africa
---
0
GMT: Greenwich Mean
WET: Western European
London, England
1
CET: Central European
Paris, France
2
EET: Eastern European
Athens, Greece
3
BT: Baghdad
Moscow, Russia
4
---
Abu Dhabi, UAE
5
---
Tashkent
6
---
Astana
7
---
Bangkok
8
CCT: China Coast
Bejing
9
JST: Japan Standard
Tokyo
10
GST: Guam Standard
Sydney
11
---
Magadan
12
IDLE: International Date Line East
NZST: New Zealand Standard
Wellington, New Zealand
6.6.2.1 Daylight Savings Time
Enter off if you live in Hawaii or Arizona, where DST is not observed. Enter on if you live anywhere else, even if you
are currently observing standard time.
6.6.2.2 Units of Measure
Enter your preferred units of measure for each parameter.

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Figure 25
6.7 Live Data
Select the Live Data tab to view your live data from the weather station. To freeze the live data updates, select the Stop
Refresh button.
6.7.1 Reset and Change Rain Totals
During the installation of your weather station, you may report false rain do to vibration of the tipping mechanism. To
reset the rain to 0.00, select the Rain Reset button as shown in Figure 26.
During rain gauge cleaning, the tipping mechanism may record false rain. Before rain gauge cleaning, record the rain
totals before and after the cleaning procedure, and then correct the daily, weekly, monthly and yearly totals.

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Figure 26
6.8 Weather Network Settings
Select the Weather Network tab to program the Weather Underground station settings and Ambient Weather Network
settings (AmbientWeather.net requires firmware Version 4.0 or greater). Reference Figure 27:

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Figure 27
6.8.1 WeatherUnderground.com
Enter the Station ID and Station Key obtained from Wunderground.com®. Select the Apply button to confirm changes.
6.8.1.1 Creating a WeatherUnderground.com Account
Note: The Weather Underground website is subject to change.
1. Visit Wunderground.com, and select the Join link in the upper right and corner and create a FreeAccount.
2. From the menu, Select More |Add a Weather Station, or visit:
https://www.wunderground.com/personal-weather-station/signup
3. Click Send Validation Email. Respond to the validation email from Wunderground (it may take a several
minutes).
4. Revisit More |Add a Weather Station, or visit:
https://www.wunderground.com/personal-weather-station/signup
again and enter all of the information requested.
5. Once registered, you receive a station ID and password. Make a note of this. You will need to enter it into your
weather station web interface, as shown in Figure 28 (Figure 28 is an example and your station ID and
password will be different.
Figure 28