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440MHz Repeater to require CTCSS (PL) Tone

By Bob Wanek N2ESP on 04/22/2015

Due to the severe intermodulation problem experienced by our 440MHz repeater, the engineering team has determined we need to add a Continuous Tone-Coded Squelch System (CTCSS) to the repeater input. CTCSS, also knows as a Private Line (PL) tone will prevent the repeater from re-transmitting signals that do not contain this tone.

Once activated, all radios desiring to access the SPARC 440MHz repeater MUST transmit a 146.2Hz tone to activate the repeater.

Repeater tone access will be added in the near future, so program your radios now to be ready for the change. The 2M and 220MHz repeaters will NOT require any tone for access. Please direct any questions to repeater trustee Ron, KP2N.

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Bob Wanek N2ESP
Bob Wanek N2ESP

Originally licensed as WN2JTL in 1968. License and interest lapsed until 1984 when relicensed as N2ESP. I currently hold an Extra class license and a BSEE from the Florida Institute of Technology. I am past President of the St. Petersburg Amateur Radio Club (SPARC) and trustee of W4TA, the club’s contest station. I’m also a member of Florida Contest Group, an ARRL Volunteer Examiner, member of the ARRL A-1 Operator Club, frustrated DXer, 10-10 member (40586) and charter member of the Radio Shack Battery of the Month Club. Station QTH is a small island (USi: FL285S Coquina Key) on the shores of Tampa Bay (Pinellas County / EL87qr). Station consists of an Elecraft K3/P3 (100W) into a ZeroFive GP-1040 Vertical/Ground Plane or an 80M Horizontal Loop. QSL via LoTW.

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