SSRF-Lite reference data

Amateur Radio Emergency Services Company (ARESC)

Systems · US / IN / Northwest / Regional · Amateur · Updated 2026-10-01 · systems/US/IN/Northwest/Regional/amateur/n9iaa_aresc_network.yml

Amateur

Channels

4 assignments, sorted by frequency. Frequency is what your radio receives; input is what it transmits on for repeaters.

Freq (MHz)	Input (MHz)	Mode	Tone / CC	Name	Usage	Callsign	Location	Service	Notes
146.6850	146.0850	FM	CTCSS 173.8 Hz	N9IAA 146 FM	repeater	N9IAA	Crown Point, IN (approx network hub)	Amateur	Wide-area VHF analog network (voted receivers). Output 146.685 MHz, input 146.085 MHz, PL 173.8 Hz. Designed for handheld coverage across NWS Indiana District 1 (Lake, Porter, La Porte, Newton, Jasper, Benton). Sites linked via microwave with battery backup.
441.3500	446.3500	DMR	CC1 TS1,2	N9IAA VALPO DMR	repeater	N9IAA	Valparaiso, IN (ARESC)	Amateur	441.350 MHz output (+5 MHz offset), Color Code 1. Time Slot 1 TG8 (full-time), TS2 TG3118 (full-time), TS2 PTT: TG1 Worldwide, TG3 Worldwide English, TG9 DMR+ Talk, TG5000 status, TG4000 disconnect. Disable ARS per site guidance.
444.3500	449.3500	DMR	CC1 TS1,2	N9IAA CROWNPOINT DMR	repeater	N9IAA	Crown Point, IN (approx network hub)	Amateur	444.350 MHz output (+5 MHz offset), Color Code 1. Same talkgroup lineup as Valparaiso site; typically networked.
444.3500	449.3500	DMR	CC1 TS1,2	N9IAA LAPORTE DMR	repeater	N9IAA	La Porte, IN (ARESC)	Amateur	444.350 MHz output (+5 MHz offset), Color Code 1. Shares linked network behavior with other N9IAA sites. Talkgroup 4xxx reflectors available via manual entry (PTT).

3 locations.

loc_crown_point_site

loc_valparaiso_site

loc_la_porte_site

Callsigns: N9IAA

org_aresc

What it takes to transmit on these channels.

FCC · Class: Technician or higher

Transmit requires US amateur license.

Name	Kind	ID	Notes
ARESC Linked	Group	8	11 repeaters in IN/IL/WI per site listing; full-time.
Indiana Statewide	Group	3118
Worldwide	Group	1	PTT on demand.
Worldwide English	Group	3	PTT on demand.
Local	Group	9	Linked to DMR+ reflector per site notes.
DMR+ Status	Group	5000	Local repeater status check (1 second PTT).
DMR+ Disconnect	Group	4000	Local repeater disconnect.

Where this data came from. Verify on the air before relying on it.