Great
"Works great for tilt antenna for Emcomm/Auxcomm"
MARINE-A · Accessories & Components
A replacement, service, interface, or modular accessory for a documented product or system.
Why operators make room for it
CHA MARINE-A: create a stable support point for the intended antenna
CHA MARINE-A solves the support or mounting problem that must be handled before the intended antenna can be deployed safely and repeatably.
The smallest missing interface, replacement part, or service component can stop an otherwise complete field station at the tailgate. The CHA MARINE-A is a precision-engineered stainless steel adapter designed to connect the worlds of marine and amateur radio antennas. It seamlessly adapts 1”x14 marine threads (both male and female) to the standard 3/8-24 amateur radio thread , and vice versa.
The practical value of CHA MARINE-A is the operating position it makes possible. Think through the antenna above it, the surface or structure below it, and every adapter or stability component between them. A defined support chain gives a newcomer a repeatable installation and gives an existing owner another documented way to deploy equipment already in the kit.
For an MPAS READY customer, the longer-term value is reuse. This product may participate in more than one documented configuration as the station grows, provided each path is verified for the complete antenna. Shared threads and connectors are useful mechanically; they are never enough by themselves to prove electrical compatibility.
Quick product reference
Key Specifications
- Product type
- Accessories & Components
- Primary role
- A replacement, service, interface, or modular accessory for a documented product or system.
- Color
- silver
- Features
- lightweight
- weather-resistant
- Feature
- Description
- Material
- Marine-Grade Stainless Steel
- Thread Types
- 1”x14 (M/F) ↔ 3/8-24 (M/F)
- Compatibility
- Marine & Amateur Radio antennas
- Weight
- Lightweight, portable
- Finish
- Polished corrosion-resistant stainless
- Country of Origin
- United States
- Selection rule
- Confirm product family, revision, interface, size, and quantity
Operator decision support
Plan the complete setup
See what this product is best suited for, what the documented setup needs, and the boundaries to confirm before deployment.
- Best for
The smallest missing interface, replacement part, or service component can stop an otherwise complete field station at the tailgate.
- What else you need
Confirm product family, revision, interface, size, and quantity
- Compatible with
- The CHA MARINE-A is fully compatible with Chameleon Antenna’s modular ecosystem and other gear using standard 3/8-24 threading, including
- CHA MPAS 2.0
- CHA HYBRID MINI
- CHA HYBRID MICRO
- CHA SS17 / SS25 / SS58
- Marine & Amateur Radio antennas
What an operator can do
- Confirm the exact product, revision, interface, size, quantity, and position the component is intended to serve.
- Install it according to the completed product or system guide.
- Treat physical fit as only one part of compatibility; verify electrical, power, and structural requirements where applicable.
Compatibility: Physical fit does not by itself establish RF, power, environmental, or structural approval. Follow a documented completed-system configuration.
Complete product details
CHA MARINE-A
Versatile Stainless Steel Adapter for Marine & Amateur Radio Applications
The Shakespeare 393 Single Band HF Antenna can be obtained directly from Amazon at a great price of $399.54 (Feb 2026) shipping included.
https://www.amazon.com/Shakespeare-393-Single-Antenna-23-Feet/dp/B001PIVJ8S
Overview
The CHA MARINE-A is a precision-engineered stainless steel adapter designed to connect the worlds of marine and amateur radio antennas. It seamlessly adapts 1”x14 marine threads (both male and female) to the standard 3/8-24 amateur radio thread, and vice versa.
Whether you’re mounting a marine HF antenna to your ham setup or deploying a Chameleon vertical antenna on a boat or marine mount, the CHA MARINE-A provides a rock-solid, corrosion-resistant solution that maximizes flexibility.
Key Features
- Adapts 1”x14 Male to 3/8-24 Male
- Adapts 1”x14 Female to 3/8-24 Female
- 100% Stainless Steel Construction – corrosion-resistant and built to withstand marine environments
- Compact and Portable – ideal for field and fixed installations
- MPAS READY – perfectly integrates into the Chameleon Modular Portable Antenna System
- Made in the USA – manufactured to meet strict quality standards
Marine Mount Compatibility
The CHA MARINE-A is compatible with virtually all standard 1”x14 marine mounts, allowing you to use readily available and affordable mounts from boat supply stores or online retailers.
Examples of Compatible Marine Mounts
|
Brand |
Model |
Type |
Description |
|---|---|---|---|
|
Shakespeare |
4187 Ratchet |
Side/deck |
Popular stainless mount with tilt/swivel lever |
|
Sea Dog Line |
327110 |
Rail Mount |
316 stainless, fits 7/8”–1” rails |
|
TACO Marine |
F16-0500 |
Flush Mount |
Threaded flush deck mount |
|
Digital Antenna |
528-VW |
Adjustable |
Swivel base, great for vertical deployment |
|
Scanstrut |
SC100 |
Fixed Base |
Heavy-duty fixed mount for rugged use |
These 1”x14 marine mounts are used globally, making the CHA MARINE-A a cost-effective and globally adaptable solution.
Use Cases
HOA Quick Deployment
Use a marine ratchet mount to raise/lower vertical antennas in under 30 seconds—perfect for stealthy HOA operations.
Emergency Preparedness
Pair with a CHA MPAS 2.0 for rapid field deployment in emergency or grid-down situations.
Marine to Land Interfacing
Reuse your marine VHF/HF antennas on land-based amateur radio setups using standard 3/8-24 mounts—and vice versa.
Off-Road and Vehicle Mounting
Use marine rail mounts or flush deck mounts on off-road rigs, campers, and trailers with your HF or VHF antennas.
Specifications
|
Feature |
Description |
|---|---|
|
Material |
Marine-Grade Stainless Steel |
|
Thread Types |
1”x14 (M/F) ↔ 3/8-24 (M/F) |
|
Compatibility |
Marine & Amateur Radio antennas |
|
Weight |
Lightweight, portable |
|
Finish |
Polished corrosion-resistant stainless |
|
Country of Origin |
United States |
Compatible With
The CHA MARINE-A is fully compatible with Chameleon Antenna’s modular ecosystem and other gear using standard 3/8-24 threading, including:
- CHA MPAS 2.0
- CHA HYBRID MINI
- CHA HYBRID MICRO
- CHA TDL
- CHA SS17 / SS25 / SS58
- CHA SPIKE MOUNT
- CHA SURVEYOR-A
- CHA BLANK
- CHA SS-INSULATOR
- CHA MCC
And most antennas, mounts, or accessories using 3/8-24 threading
Why Choose the CHA MARINE-A?
- Global Adaptability – Use locally sourced mounts instead of expensive proprietary gear
- Built to Last – Stainless steel construction resists corrosion and abuse
- Incredible Flexibility – Bridge marine and amateur radio systems seamlessly
- MPAS Ready – Fully integrates with Chameleon’s top modular antenna systems
Pro Tip
Marine mounts can be sourced anywhere in the world, often at a lower price than traditional ham mounts. The CHA MARINE-A lets you tap into this versatility—ideal for both cost savings and tactical adaptability.
