Ef Johnson Viking II – Guide to the Legendary Radio Transceiver

Welcome to the ultimate guide on the EF Johnson Viking II, a legendary piece of radio equipment that has become a staple in the world of amateur radio. Whether you are a seasoned operator or just starting out, this guide will provide you with all the information you need to know about the Viking II.

The EF Johnson Viking II is a classic tube-type transceiver that was first introduced in the 1950s. It quickly gained popularity among amateur radio enthusiasts for its exceptional performance and reliability. With its distinctive design and robust construction, the Viking II has stood the test of time and remains a favorite among collectors and operators alike.

One of the standout features of the Viking II is its versatility. It covers a wide range of frequencies, making it suitable for a variety of applications. Whether you are interested in shortwave listening, DXing, or even AM broadcasting, the Viking II has got you covered. Its powerful transmitter and sensitive receiver ensure that you can communicate with ease and clarity.

History and Evolution of the EF Johnson Viking II

The EF Johnson Viking II is a legendary ham radio transceiver that has a rich history and a fascinating evolution. It was first introduced in the late 1950s by the EF Johnson Company, a leading manufacturer of radio communication equipment.

During its early years, the EF Johnson Viking II quickly gained popularity among amateur radio operators due to its exceptional performance and reliability. It was known for its robust construction and advanced features, which set it apart from other transceivers of its time.

Over the years, the EF Johnson Viking II underwent several updates and improvements to keep up with the changing technology and the demands of the ham radio community. These updates included enhancements to its circuitry, increased power output, and the addition of new features.

Notable Features and Specifications

The EF Johnson Viking II is a tube-based transceiver that operates on the HF bands. It features a built-in antenna tuner, a crystal calibrator, and a noise blanker, which helps reduce interference and improve signal quality.

One of the standout features of the EF Johnson Viking II is its dual VFO design, which allows for easy switching between two different frequencies. This feature was particularly useful for amateur radio operators who wanted to monitor multiple bands or work split frequencies.

The transceiver also has a robust power amplifier that can deliver up to 100 watts of output power, making it suitable for both short-range and long-range communications. It also has a built-in speaker, which provides clear and loud audio output.

Legacy and Impact

The EF Johnson Viking II has left a lasting impact on the ham radio community. Its exceptional performance, reliability, and advanced features have made it a favorite among amateur radio operators, and it continues to be highly sought after by collectors and enthusiasts.

Features and Specifications of the EF Johnson Viking II

The EF Johnson Viking II is a high-quality radio communication device that offers a range of features and specifications to meet the needs of amateur radio operators and professionals alike. Whether you’re a seasoned radio enthusiast or just starting out, the EF Johnson Viking II has something to offer.

Another notable feature of the EF Johnson Viking II is its intuitive user interface. With a clear and easy-to-read display, this radio makes it simple to navigate through its various functions and settings. Whether you’re adjusting the volume, changing frequencies, or accessing advanced features, the EF Johnson Viking II ensures a user-friendly experience.

Furthermore, the EF Johnson Viking II offers a range of advanced features to enhance your radio communication experience. These include built-in noise reduction technology, which helps to minimize background noise and improve audio quality, as well as a built-in antenna tuner, which allows for easy tuning and optimal performance on various frequencies.

How to Use the EF Johnson Viking II

Step 1: Powering On

To start using the EF Johnson Viking II, ensure that it is connected to a power source. Once connected, turn on the power switch located on the front panel of the radio.

Step 2: Selecting the Frequency

The EF Johnson Viking II allows you to select the desired frequency using the frequency tuning knob. Rotate the knob until the desired frequency is displayed on the frequency display panel.

Step 3: Adjusting the Volume

To adjust the volume of the EF Johnson Viking II, use the volume control knob located on the front panel. Rotate the knob clockwise to increase the volume and counterclockwise to decrease it. Ensure that the volume is set to a comfortable level for clear communication.

Step 4: Transmitting and Receiving

To transmit a message, press and hold the push-to-talk (PTT) button located on the side of the radio. Speak clearly into the microphone while holding the PTT button. Release the button to listen for incoming messages.

Step 5: Adjusting Squelch

The EF Johnson Viking II features a squelch control knob that allows you to adjust the squelch level. The squelch function eliminates background noise when no signal is present. Rotate the squelch control knob until the background noise is minimized, ensuring clear reception.

Step 6: Using the Channel Selector

The channel selector on the EF Johnson Viking II allows you to switch between different channels. Rotate the channel selector knob to the desired channel number to change the operating frequency. Ensure that you are using the correct channel for your communication needs.

By following these simple steps, you can effectively use the EF Johnson Viking II for reliable communication. Remember to familiarize yourself with the user manual for additional features and advanced settings.

Troubleshooting Common Issues with the EF Johnson Viking II

The EF Johnson Viking II is a reliable and durable radio, but like any electronic device, it may encounter some common issues. Here are some troubleshooting tips to help you resolve these problems:

No Power

If your EF Johnson Viking II is not turning on, the first thing you should check is the power source. Ensure that the power cable is securely connected to both the radio and the power outlet. If the power cable is connected properly and there is still no power, try using a different power outlet or replacing the power cable.

Poor Audio Quality

If you are experiencing poor audio quality, such as static or distorted sound, there are a few things you can check. First, make sure that the volume is set to an appropriate level. If the volume is too low, increase it gradually until you can hear the audio clearly. If the volume is already at a high level, try adjusting the squelch control to reduce background noise.

Another possible cause of poor audio quality is a faulty microphone. Check the microphone connection to ensure it is securely plugged into the radio. If the connection is loose or damaged, try using a different microphone. Additionally, check the microphone settings on the radio to ensure they are properly configured.

Interference

If you are experiencing interference on your EF Johnson Viking II, there are a few steps you can take to minimize it. First, try changing the frequency or channel you are using. Sometimes, interference can be caused by other nearby devices operating on the same frequency. By switching to a different frequency, you may be able to avoid the interference.

Another option is to adjust the squelch control. The squelch control helps filter out weak or unwanted signals. By adjusting it, you can reduce the amount of interference you hear. Experiment with different squelch settings to find the one that works best for your specific situation.

Display Issues

If you are experiencing display issues, such as a blank screen or flickering display, there are a few things you can try. First, check the power connection to ensure it is secure. If the power connection is loose, tighten it to see if that resolves the issue.

If the power connection is secure and the display is still not working properly, try adjusting the brightness settings. The EF Johnson Viking II has adjustable brightness levels, so make sure the brightness is set to an appropriate level.

By following these troubleshooting tips, you can resolve common issues with the EF Johnson Viking II and ensure that your radio is functioning optimally. Remember to refer to the user manual for more detailed instructions and contact customer support if you need additional assistance.

Maintenance and Care for the EF Johnson Viking II

Proper maintenance and care are essential for ensuring the longevity and optimal performance of your EF Johnson Viking II. By following these guidelines, you can keep your radio in excellent condition:

1. Regular Cleaning: Dust and dirt can accumulate on the exterior and interior of your radio, affecting its performance. Use a soft, lint-free cloth to wipe down the surface of the radio regularly. For hard-to-reach areas, use a small brush or compressed air to remove any debris.
2. Inspect and Clean Connectors: Check the connectors on your EF Johnson Viking II for any signs of corrosion or damage. If you notice any issues, use a contact cleaner and a cotton swab to gently clean the connectors. This will ensure a secure and reliable connection.
3. Check Antenna: Inspect the antenna regularly for any signs of wear or damage. A damaged antenna can affect the radio’s performance. If you notice any issues, replace the antenna with a compatible one recommended by the manufacturer.
4. Keep the Radio Dry: Avoid exposing your EF Johnson Viking II to moisture or extreme humidity. Moisture can damage the internal components of the radio. If the radio gets wet, dry it thoroughly before using it again.
5. Store Properly: When not in use, store your radio in a cool, dry place. Avoid storing it in direct sunlight or in areas with high temperatures. Extreme temperatures can damage the radio’s battery and other components.
6. Update Firmware: Periodically check for firmware updates for your EF Johnson Viking II. Firmware updates can improve the radio’s performance and add new features. Follow the manufacturer’s instructions to update the firmware properly.
7. Follow Operating Guidelines: Always follow the operating guidelines provided by the manufacturer. Using the radio outside of its recommended parameters can lead to damage and void the warranty.
8. Service and Repairs: If you encounter any issues with your EF Johnson Viking II, contact an authorized service center for assistance. Attempting to repair the radio yourself may cause further damage and void the warranty.

By following these maintenance and care tips, you can ensure that your EF Johnson Viking II remains in excellent condition and provides reliable communication for years to come.

Comparison of the EF Johnson Viking II with Other Models

1. Yaesu FT-450D

• The Yaesu FT-450D is a versatile and compact HF transceiver that offers a wide range of features.
• It has a built-in automatic antenna tuner, which can be a convenient feature for those who frequently change antennas.
• Compared to the EF Johnson Viking II, the Yaesu FT-450D has a smaller form factor, making it more suitable for portable operations.
• However, the EF Johnson Viking II offers a higher power output, making it a better choice for long-distance communication.

2. Icom IC-7300

• The Icom IC-7300 is a popular HF transceiver known for its advanced technology and user-friendly interface.
• It features a large color touchscreen display, which makes it easy to navigate through menus and settings.
• Compared to the EF Johnson Viking II, the Icom IC-7300 offers a wider frequency range and a higher resolution spectrum scope.
• However, the EF Johnson Viking II has a more rugged construction, making it a better choice for outdoor and harsh environments.

3. Kenwood TS-590SG

• The Kenwood TS-590SG is a high-performance HF transceiver that offers excellent receiver performance and audio quality.
• It features a built-in automatic antenna tuner and a large multi-function knob for easy operation.
• Compared to the EF Johnson Viking II, the Kenwood TS-590SG has a higher dynamic range and a better signal-to-noise ratio.
• However, the EF Johnson Viking II offers a more intuitive user interface and a wider range of customization options.

Overall, the EF Johnson Viking II is a reliable and powerful HF transceiver that competes well with other models on the market. Its high power output, rugged construction, and user-friendly interface make it a top choice for amateur radio enthusiasts. However, depending on your specific needs and preferences, other models like the Yaesu FT-450D, Icom IC-7300, or Kenwood TS-590SG may also be worth considering.

Where to Buy the EF Johnson Viking II

If you are interested in purchasing the EF Johnson Viking II, there are several options available to you. Here are some places where you can buy this incredible radio:

1. Authorized Dealers: The best and most reliable way to purchase the EF Johnson Viking II is through authorized dealers. These dealers have direct access to the product and can provide you with the necessary information and support. You can find a list of authorized dealers on the EF Johnson website.
2. Online Retailers: There are many online retailers that sell the EF Johnson Viking II. Websites like Amazon, eBay, and Ham Radio Outlet often have this radio available for purchase. Just make sure to buy from reputable sellers with good customer reviews to ensure you are getting a genuine product.
3. Ham Radio Expos and Events: Another great way to buy the EF Johnson Viking II is by attending ham radio expos and events. These events often have vendors selling a wide range of radios and equipment, including the EF Johnson Viking II. It’s a great opportunity to see the radio in person and ask any questions you may have before making a purchase.