Ham Radio

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Ham Radio
General
Category	Item
Encumbrance	20
Function	Lore and Communication
Technical details
Base ID	See Types

A ham radio is an interactive item added in IWBUMS 33. It allows the player to listen to radio broadcasts, including music stations, news reports, and military stations. As a ham radio is a two-way Radio, it can be used for distance communication in multiplayer games, or simply to "throw your voice".

Usage

An example of the interactive radio interface.

All radios require batteries to function, but every radio is found with a full battery included. To use a radio, right-click it in the world and select "Device Options" to open a control panel window. Here you can see information about the radio's specifications and current settings, power it on or off, remove/replace the battery, adjust the volume, add earbuds or headphones for stealthy listening, mute the mic, and select and edit preset frequencies.

Ham radios are two-way radios and will transmit and reproduce voices at a distance. "Voices" includes both the Shout command used to draw zombies' attention, and chat messages in multiplayer. This can be prevented on the transmitting radio by muting the mic. The reproduction will be silent to nearby players and zombies if the receiving radio is using earbuds; otherwise, it will make noise in the environment depending on the volume setting.

The obvious use of this is for communication on multiplayer servers that have disabled global chat, but it can also provide a single-player tactic: throwing your voice to draw zombies where you want them, though walkie talkies server this purpose better due to their low weight.

Stationary

Ham radios can only be used as stationary furniture. To convert a furniture radio to an item, pick it up like any other furnishing:

• Enter "Pick Up Mode".
• Highlight the tile containing the radio.
• Cycle through the tile's objects if needed (default key R).
• Click to add the radio to your inventory.

To convert a ham radio to furniture:

• Put the radio into your personal inventory, not a bag and not equipped.
• Enter "Place Mode".
• Click the radio in your inventory.
• Click the desired tile to place it.
  • OR
• Right click the radio from personal inventory
• Select 'Place item'
• Click the desired tile to place it.

Disassembly

All radios can be dismantled with a screwdriver, producing a variety of components as well as a small amount of Electrical skill XP.

The obtainable items are as follows:

Icon	Name	Amount	Effected by Electrical skill
	Aluminum	0-4	NO
	Amplifier	0-1	YES
	Electric Wire	0-4	NO
	Scrap Electronics	1-5	NO
	Green Light Bulb	0-1	YES
	Light Bulb	0-1	YES
	Radio Receiver	0-1	YES
	Radio Transmitter	0-1	YES
	Headphones	1 (if present)	NO
	Earbuds	1 (if present)	NO
	Battery	1 (if present)	NO

The odds to receive items effected by Electrical skill:

50 + (Electricity Level)*5)%

Distribution

Ham radios can be found in containers

Frequencies and Broadcasts

Most radios will be found with one or more preset frequencies, usually one of these local commercial stations:

Station name	Purpose
89.4 MHz Hitz FM	Music station.
93.2 MHz LBMW - Kentucky Radio	News, music.
96.2 MHz Automated Emergency Broadcast System	Weather, emergency.
98 MHz NNR Radio	News station.
101.2 MHz KnoxTalk Radio	Talk show, music.

• There are also "hidden" broadcasts on non-commercial frequencies, which include civilians noting military presence, and military broadcasts. You are free to add presets for any frequency in the radio's spectrum.
• Throughout the first week of the infection, news media and music stations will report on The Knox Event, and give the player outside information on world events, including riots, curfews being put into effect, and eventually, the breaking of the quarantine.
• It has also been confirmed that both scripted and non-scripted radio broadcasts will still occur after media blackout.
• The frequency of the Automated Emergency Broadcast System varies each game. Simply find radios in the world with that station preset.

Types

Ham radios are one of the three types of communication devices.

• Consumer radios: Receive only, lightweight, commercial frequencies only.
• Walkie talkies: Short-range two-way, lightweight, more frequencies.
• Ham radios: Long-range two-way, exceedingly heavy, most or all frequencies. Earbuds cannot be used. Ham radios are best used as stationary furniture in a safe location.

Icon	Model	Name							Base ID
				Mic.	Volume
		Premium Technologies Ham Radio	20	5	10	10 MHz	150 MHz	7500	Base.HamRadio1
		US ARMY COMM. Ham Radio	20	5	15	0.2 MHz	1000 MHz	10000	Base.HamRadio2
		Makeshift Ham Radio	20	5	10	10 MHz	500 MHz	6000	Base.HamRadioMakeShift

Code

From items_radio.txt (Project Zomboid directory/media/scripts/)

Premium Technologies Ham Radio Retrieved: Build 41.50

	item HamRadio1
		Type			= Radio,
		Icon			= HamRadioCivilian,
		Weight          	= 20.0,
	        ConditionMax	        = 100,
		DisplayName		= Premium Technologies Ham Radio,
		UseDelta		= 0.010, 
		UseWhileEquipped	= FALSE,
		DisappearOnUse		= FALSE,
		TwoWay			= TRUE,
		TransmitRange		= 7500,
		MicRange		= 5,
		BaseVolumeRange		= 10,
		IsPortable		= FALSE,
		IsTelevision		= FALSE,
		MinChannel		= 10000,
		MaxChannel		= 500000,
		UsesBattery		= TRUE,
		IsHighTier		= FALSE,
		WorldObjectSprite	= appliances_com_01_0,
		Tooltip                 = Tooltip_item_Radio,

US ARMY COMM. Ham Radio Retrieved: Build 41.50

	item HamRadio2
		Type			= Radio,
		Icon			= HamRadioMilitary,
		Weight          	= 20.0,
	        ConditionMax	        = 100,
		DisplayName		= US ARMY COMM. Ham Radio,
		UseDelta		= 0.014, 
		UseWhileEquipped	= FALSE,
		DisappearOnUse		= FALSE,
		TwoWay			= TRUE,
		TransmitRange		= 20000,
		MicRange		= 5,
		BaseVolumeRange		= 15,
		IsPortable		= FALSE,
		IsTelevision		= FALSE,
		MinChannel		= 200,
		MaxChannel		= 1000000,
		UsesBattery		= TRUE,
		IsHighTier		= TRUE,
		WorldObjectSprite	= appliances_com_01_8,
		Tooltip                 = Tooltip_item_Radio,

Makeshift Ham Radio Retrieved: Build 41.50

    item HamRadioMakeShift
        Type			= Radio,
        Icon			= HamRadioCivilian,
        Weight          	= 20.0,
        DisplayName		= Makeshift Ham Radio,
        UseDelta		= 0.010,
        UseWhileEquipped	= FALSE,
        DisappearOnUse		= FALSE,
        TwoWay			= TRUE,
        TransmitRange		= 6000,
        MicRange		= 5,
        BaseVolumeRange		= 10,
        IsPortable		= FALSE,
        IsTelevision		= FALSE,
        MinChannel		= 10000,
        MaxChannel		= 500000,
        UsesBattery		= TRUE,
        IsHighTier		= FALSE,
        WorldObjectSprite	= appliances_com_01_56,
        Tooltip                 = Tooltip_item_Radio,