Earlier editions: 2026-09
Chapter 10 — PLANNING, ZONING AND SUBDIVISIONS›Article 13 — ANTENNA AND TELECOMMUNICATIONS FACILITIES ORDINANCE
APPENDIX "B" - DEFINITIONS
Hayward Municipal Code · 2026-10 edition · updated 2026-10-04 · Hayward
Cite as: Hayward Municipal Code · Text as of 2026-10-04
SEC. 10-13.B - DEFINITIONS.¶
For the purpose of this article, the following words and phrases shall have the meaning respectively ascribed to them in this section:
(a) "Amateur (HAM) Antenna" means an antenna operated by a person holding a written authorization from the Federal Communications Commission to be the control operator of an amateur station.
(b) "Antenna" means any system of wires, poles, rods, reflecting discs, or similar devices used for the transmission or reception of electromagnetic waves when such system is either external to or attached to the exterior of a structure. Antennas shall include devices having active elements extending in any direction, and directional beam-type array having elements carried by and disposed from a generally horizontal boom that may be mounted upon and rotated through a vertical mast or tower interconnecting the boom and antenna support, all of which elements are deemed to be a part of the antenna. Antennas shall include cellular on wheels (COWs) and cellular on light trucks (COLTs) facilities; as well as dispatch carriers for Specialized Mobile Radio (SMR) services and Enhanced SMR (ESMR).
(1) "Antenna - Building-Mounted" means any antenna, other than an antenna with its supports resting on the ground, directly attached or affixed to a building, tank, tower, building-mounted mast less than 10 feet tall above the roof ridge line and 6 inches in diameter, or structure other than a telecommunications tower.
(2) "Antenna - Directional" (also known as a "panel" antenna) transmits and/or receives radio frequency signals in a directional pattern of less than 360 degrees.
(3) "Antenna - Facade-Mounted" means an antenna that is directly attached or affixed to any facade of a building or other structure. Also known as a building-mounted antenna.
(4) "Antenna - Ground-Mounted" means an antenna with its support structure or base placed directly on the ground, the total height of which does not exceed 14 feet, including the height of the antennas.
(5) "Antenna - Omni-directional" (also known as stick, whip, or pipe antennas) means any antenna which transmits and/or receives radio frequency signals in a 360-degree horizontal pattern and a compressed vertical plane. For the purpose of this article, omni-directional antennas have diameters between 2 and 6 inches, and measures between 1 and 18 feet in height.
"Antenna - Panel" (see "Antenna - Directional")
(6) "Antenna - Parabolic" (also known as a satellite dish antenna) means any device incorporating a reflective surface that is solid, open mesh, or bar- configured that is shallow dish, cone, horn, bowl, or cornucopia shaped and is used to transmit and/or receive electromagnetic or radio frequency communication/signals in a specific directional pattern. This definition include, but is not limited to satellite earth stations, TVROs, and satellite microwave antennas.
(7) "Antenna - Portable" means any device used to transmit and/or receive electromagnetic or radio frequency communication/signals in a specific directional pattern, located on a portable or moveable base designed to be placed either for temporary or long-term use at a given site.
(8) "Antenna - Roof-Mounted" means an antenna directly attached or affixed to the roof, generally free-standing, of an existing building or structure other than a telecommunications tower.
(9) "Antenna - Vertical" means a vertical type antenna without horizontal cross-sections greater than one-half inch in diameter.
"Antenna - Whip" (see "Antenna - Omni-directional")
(c) "Antenna Array" means a structure attached to a telecommunications tower that supports a telecommunications antenna or antennas.
(d) "Antenna Array Group" means more than two sets of antennas by different service providers placed on a monopole, tower, building, or other support structure or on multiple poles, towers, buildings, or other support structures on the same parcel of land or on different parcels where the antennas are located within 200 feet from each other (also known as an antenna farm).
(e) "Co-location" means a wireless telecommunications facility comprising a single telecommunications tower, monopole, or building supporting antennas owned or used by more than one telecommunications carrier. Co-location shall also include the location of wireless telecommunications facilities with other facilities such as water tanks, light standards, and other utility facilities and structures (see also Telecommunications Facility).
(f) "Commercial Use" means a use that involves the exchange of cash, goods, or services, barter, forgiveness of indebtedness, or any other remuneration in exchange for goods, services, lodging, meals, entertainment in any form, or the right to occupy space over any period of time.
(g) "Direct Broadcast Satellite Service" (DBS) is a system in which signals are transmitted directly from a satellite to a small home receiving dish which does not exceed 18 inches in diameter. The system is commonly marketed as Digital Satellite System (DSS). DBS or DSS competes with cable television.
(h) "Electromagnetic Radiation or EMR" means a type of non-ionizing electromagnetic radiation (radio frequency within the electromagnetic spectrum) which our bodies ordinarily cannot detect, including radio and TV signals and microwaves. Other forms of this radiation includes ordinary light, which we can see, and infrared radiation, which we sense as heat.
(i) "Equipment building, shelter, or cabinet" means a cabinet or building at a facility site used to house equipment which supports a telecommunication system.
"Ham Amateur Antenna" (see "Amateur [HAM] Antenna")
(j) "Inhabited Area" means any residence, any other structure regularly occupied by people, or any outdoor area used by people on a regular basis.
(k) "Lattice Tower" means a self supporting support structure, erected on the ground, which consists of metal cross-strips or bars to support antennas and related equipment.
(l) "Maximum Credible Earthquake" means the maximum earthquake predicted to affect a given location based on the known lengths of the active faults in the vicinity.
(m) "Monopole" is a wireless communication facility which consists of a single-pole structure or spire, erected on the ground to support wireless communication antennas and appurtenances.
(n) "Public service use or facility" means a use operated or used by a public body or public utility in connection with any of the following services: water, waste water management, public education, parks and recreation, fire and police protection, solid waste management, transportation, or utilities.
(o) "Public-Right-of-Way" means and includes all public streets and utility easements, now and hereafter owned by the City, but only to the extent of the City's right, title, interest, or authority to grant a license to occupy and use such streets and easements for telecommunications facilities.
(p) "Quasi-Public Use" means a use serving the public at large, and operated by a private entity under a franchise or other similar governmental authorization, designed to promote the interests of the general public or operated by a recognized civic organization for the benefit of the general public.
(q) "Readily Visible" means an object that stands out as a prominent feature of the landscape.
(r) "Related Equipment" means all equipment ancillary to the transmission and reception of voice and data via radio frequencies. Such equipment may include but is not limited to cable, conduit, and connectors.
"Roof Ridge line" (see "Structure or Roof Ridge line")
(s) "Satellite Earth Station" means a telecommunications facility consisting of more than a single satellite dish smaller than 10 feet in diameter that transmits to and/or receives signals from an orbiting satellite.
(t) "Silhouette" means a representation of the outline of the towers and antenna associated with a telecommunications facility, as seen from an elevation perspective.
(u) "Stealth Facility" means any communications facility which is designed to blend into the surrounding environment, and is visually unobtrusive. Examples of stealth facilities may include architecturally screened roof-mounted antennas, building-mounted antennas painted and treated as architectural elements to blend with the existing building. Also known as concealed telecommunications facilities.
(v) "Stealth Pole" means a monopole that is disguised or camouflaged using existing vegetation, as a flag pole, public art, light pole, clock tower, etc. A slim pole with antennas that are flush with the structure is not considered a stealth pole. The Director of Community and Economic Development/Planning Director shall make the determination of what constitutes a stealth pole.
(w) "Structure or Roof Ridge line" means the line along the top of a roof or top of a structure, if the structure has no raised roof.
(x) "Telecommunications Facility" means a wireless facility that transmits and/or receives electromagnetic signals. It includes antennas, microwave dishes, horns, and other types equipment for the transmission or receipt of such signals, telecommunications towers, or similar structures supporting said equipment, equipment buildings, parking area, and other accessory development.
(y) "Telecommunications Tower" means a structure more than 10 feet tall, built primarily to support one or more telecommunications antennas.
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