Gov & Agency HF Antennas — No Radials | Greyline Performance

Agency & Government

HF Antenna Infrastructure for Government, Defense & Emergency Operations

Greyline VDA systems are in active service with government and diplomatic facilities, state emergency operations centers, defense contractors, and federal agencies. No radials — deployable on rooftop, concrete, asphalt, or frozen soil. 100% duty cycle. ALE and digital-mode ready. Made in USA, Sun Valley, Idaho.

Engage for Pricing

Pricing is available by direct engagement. We respond to RFIs and RFQs directly. Custom configurations and volume specifications on request.

✆ 435-200-4902 Contact Form →

Procurement Documentation

CAGE/UEI, NAICS codes, Section 889 compliance, FAR 52.204-24, and past performance — formatted for procurement review.

Capabilities Statement → EmComm Technical Brief →

Is This You?

Who We Work With

Federal Agencies

Government and diplomatic facilities, federal EOCs, and federal facilities requiring permanent or deployable HF infrastructure. Custom configurations available.

Defense & Contractors

Defense contractors, integrators, and program offices requiring COTS HF antenna systems. Section 889 compliant. Available for SAM.gov procurement.

Emergency Management

State and county EOCs, city and municipal emergency managers, and EmComm infrastructure programs requiring reliable HF without ground system dependency.

Peer Validation — Defense Antenna Executive

“I ran a defense antenna company for 7 years. I am very impressed with the look, quality, machining, and part fit. It is a professional-grade product, and I recommend it to others.”

— Rob Freedman · WC0R · Retired Defense Antenna Executive · Full case study →

System Capabilities

Technical Specifications

Frequency Coverage

1.5–54 MHz (160–6M) from a single feedpoint. No switching, no band-specific antennas.

Power Handling

1500W+ continuous. 100% duty cycle. No traps or coils to fail under sustained digital mode or ALE operation.

Deployment Surface

Rooftop, concrete, asphalt, frozen soil, rocky terrain. No radial field required. Performance independent of ground conductivity.

Construction

Heavy-wall 6061-T6 aluminum, 316 marine-grade stainless hardware. ASCE 7-10 engineered. 7-year structural guarantee. Made in USA.

Wind Ratings (ASCE 7-10)

12 ft: 155 MPH  |  16 ft: 115 MPH  |  20 ft: 90 MPH  |  24 ft: 70 MPH  |  28 ft: 55 MPH (flag down)

Modes

ALE, STANAG 4538, JS-001, MIL-STD-188-141B compatible. FT8, JS8Call, Winlink, VARA, voice, CW.

Low Visibility Profile

The DXF flagpole configuration presents as a standard commercial-grade institutional flagpole. The antenna function is entirely internal — no visible stubs, loading coils, or external antenna evidence. Appropriate for installations where a discrete RF profile is operationally or aesthetically required. Flies a full-size flag.

Procurement

Credentials

CAGE/UEI

Available via Capabilities Statement

Section 889 Compliant

No covered telecommunications equipment

Origin

100% Made in USA — Sun Valley, Idaho

Field Verdict

"I ran a defense antenna company for seven years. I am very impressed with the look, quality, and part fit. This is professional-grade."

— Defense contractor operator · Verified owner

A dedicated procurement channel for government and agency buyers — with custom configurations, volume specifications, and no public pricing — is in development. Contact us directly to discuss current requirements or to be notified when it launches: 435-200-4902

Ham Radio is fun again! Pass it on... 73, The Greyline Performance Team