Digital Mode VHF HF Vertical
$1,199.00
Antenna for 1.8-7MHz, 7MHz-30MHz, 144-148MHz, and 220-240MHz.
MODEL: DuoPole
This Digital HF Military Vertical Dipole Antenna provides 0-2500km of Digital mode coverage from 7MHz to 30MHz, which is 36 inches x 4 inches x 1.5 inches in size and weighs 22 ounces.
SPECIFICATIONS
- Deployable with digital quantum and/or spread-spectrum equipment.
- For equipment that uses singular or simultaneous frequencies.
- Missions that require digital HF communications using Ground-wave and/or Skywave signal patterns.
- Digital mode ‘skywave coverage’ area in a radius of 1500-miles for a diameter of 3000-miles on 7MHz to 30MHz.
- All mode ‘ground-wave coverage’ in a radius of 60-miles (dependent upon height) for 1.8-7MHz, 7MHz-30MHz, 144-148MHz, and 220-240MHz.
- Useful when an isolated solution is required that requires no counterpoise.
Power Rating: 5W minimum digital input signal required with a maximum input power rating of 30W for Digital Modes. Including but not limited to the MIL-STD-188 M110a digital communications mode that is rated at 25 watts continuous with bursts of 100 watts digital for up to 1 minute using the MIL-STD Data Modem Terminal (MS-DMT) and Automated Message Terminal (AMT) software applications.
Analysis
250MW WSPR TX Results (7-30MHz)
Break-out of TX Results (Click Map to Enlarge)
USAGE SCENARIOS
Read About Using HF Frequencies to Monitor Remote Pipelines
Where secrecy is paramount, digital communications through unseen methods plays a crucial role. Some of the usage scenarios of clandestine antennas include:
- Clandestine Communications in Cyber-Denied Environments:
- Context: In an era where internet-based communications are vulnerable to surveillance and attacks, intelligence operatives seek alternative methods.
- Scenario: Imagine a situation where an operative needs to communicate without exposing themselves to internet-based surveillance.
- Solution:
- Physical Separation: Platforms physically separated from the internet can be used. These platforms are not susceptible to internet-based surveillance or attacks.
- Radio Technology: Combine modern computer-based software with radio technology.
- Importance: Counterintelligence and law enforcement must adapt to these evolving communication methods.
- Countermeasures: Detect radio-based clandestine communications and secure evidence.
- Operational Scenarios where concealment and minimizing visibility are critical:
- Inside a Parked Car:
- Example: Monitoring a nearby building while parked outside.
- Setup: Transmitter, receiver, and antennas positioned out of sight from windows.
- Between Floors in an Office Building:
- Example: Operating from the third floor to the first floor.
- Setup: Transmitter, receiver, and antennas positioned out of sight carried out of site under clothing.
- Out in the Open:
- Example: Providing regional communications support while deployed in the field.
- Setup: Transmitter, receiver, and antennas positioned out of sight inside a backpack.
- Example: Providing regional communications support while deployed in the field.
- Example: Operating from the third floor to the first floor.
- Example: Monitoring a nearby building while parked outside.
CONCLUSION
Remember, clandestine antennas for digital communications are designed to operate covertly, avoiding detection by adversaries. Their success lies in striking a balance between effective communication and maintaining secrecy with a right sized antenna.
All these solutions are enabled by this Military Vertical Dipole Antenna known as the DuoPole.
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Customer Images
| Weight | 22 oz |
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| Dimensions | 40 × 6 × 6 in |
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This system checked all of the boxes for a digital EmComm antenna. The rugged structure deployed in 60 seconds and has already withstood 80+MPH winds. Performance has been nation-wide based upon imperical testing using the ZachTech WSPR hardware.