Frequencies

A list of operational frequencies are listed below.  Local operations are typically on VHF and UHF while state and nation-wide operations are typically on HF.

Calvert County ICS-205 form

VHF/UHF Frequencies

Frequency (MHz)

Offset

CTCSS (Hz)

Description

146.985

156.7

CALV01 – Sunderland repeater
If repeater is down use output frequency and transmit tone.

444.950

+

156.7

CALV02 – Prince Frederick repeater
If repeater is down use output frequency and transmit tone.

146.580

S

CALV03 – Calvert Tac Three

146.595

S

CALV04 – Calvert Tac Four

146.565

S

CALV05 – Calvert Tac Five

146.550

S

CALV06 – Calvert Tac Six

446.100

S

CALV07 – Calvert Tac Seven

446.125

S

CALV08 – Calvert Tac Eight

146.520

S

2m National Simplex

446.000

S

70cm National Simplex

147.105

+

107.2

Central Region Primary (Davidsonville)

146.760

Central Region Secondary

145.330

Central Region Tertiary

144.390

Nationwide APRS

145.750

Local Winlink Gateways
(WB3KAS-10, W3RL-10, KB3FWW-10)

144.990

Alternate APRS

HF Frequencies

Frequency (MHz)

Description

28.310

CALV09 – Calvert Tertiary (+/- 10 kHz)

28.290

CALV10 – Calvert HF Data (+/- 10 kHz)

3.820

Maryland Emergency Phone Net – LSB

3.5919
3.5939
7.0914
7.1004

NTSD
(W3JY, WB2FTX, KW1U, and others)

3.557

Maryland-DC-Delaware Net – CW

3.563

Maryland Slow Net – CW

 

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