WRXL702

Please Select Operations Tab & Make A Simple Attempt To Understand It. Just As Driving While Intoxicated Is Illegal In All 50 States, It Doesn't Require States To List All Types / Brands Of Alcohol Which Makes Driving Drunk Illegal. Same Goes With Every & All Other Types Of Laws. If Wanting To Talk Longer Distances - Get A Ham License Or Get Over It. Linking GMRS Repeaters Is Done.......... https://www.fcc.gov/wireless/bureau-divisions/mobility-division/general-mobile-radio-service-gmrs

Again: "In addition to violating Commission rules, linking repeaters is not in the public interest. Because GMRS spectrum is limited and used on a shared “commons” basis, the service only works well on a localized basis when users can hear each other and cooperate in the sharing of channels. Linking repeaters not only increases the potential for interference, but also uses up a limited spectrum resource over much larger areas than intended, limiting localized availability of the repeater channels." Linking Multiple Repeaters...... Pretty Much Self Explanatory. Key Word - Linking. Not Necessary To Explain Every Possible Means.

"Linking multiple repeaters to enable a repeater outside the communications range of the handheld or mobile device to retransmit messages violates sections 95.1733(a)(8) and 95.1749 of the Commission’s rules, and potentially other rules in 47 C.F.R. Repeaters may be connected to the telephone network or other networks only for purposes of remote control of a GMRS station, not for carrying communication signals. In addition to violating Commission rules, linking repeaters is not in the public interest. Because GMRS spectrum is limited and used on a shared “commons” basis, the service only works well on a localized basis when users can hear each other and cooperate in the sharing of channels. Linking repeaters not only increases the potential for interference, but also uses up a limited spectrum resource over much larger areas than intended, limiting localized availability of the repeater channels." Linking Multiple Repeaters...... Pretty Much Self Explanatory. Key Word - Linking. Not Necessary To Explain Every Possible Means.

The Input Frequencies On Any GMRS Repeater Station Will Be + (plus) 5 MHz From The Receive Frequency. This Is Referred To As The + 5 MHz Offset. Example - A 462.550 GMRS Repeater Frequency Will Need Your Radio To Transmit On 467.550 To A Repeater. Any applicable CTCSS Or DCS Tones For Access Will Also Be Required. The Repeater Then Re-transmits On The 462.550 Frequency To All CTCSS / DCS Receiving Radios.

In Simplex Mode, Your Radios Will Transmit & Receive At 462.600 MHz Using Correct CTCSS Or DCS As Needed. When Connecting To A Repeater, Your Transmit Frequency Should Be 467.600 & Your Receive Will Be 462.600, Using The Correct CTCSS Or DCS. This Called The + 5MHz Offset. A Repeater Receives Transmissions At 467.600 & Re-Transmits At 462.600 MHz. As For The Squelch Tail (Tone) - Not Sure If You Are Meaning An Actual Squelch Tail, Which Is Controlled By The Reverse Burst Squelch Setting On A Repeater - That You Cannot Program Or Control. Or A "Squawk" Which Is A MDC Type Of Identification Tone Which Is Not Available On Your Units, & Only Available On Commercial Radios, Which Are Programmed On The Individual Radios.

See Link Below For E Plane Patterns On The 1/4, 1/2 & 3/4 Wave Antennas. https://practicalantennas.com/designs/verticals/5eights/

The Sirio CX455 Is A 3/4 Wave Antenna, With A Radiation E Plane At 50 to 60 Degrees From The Horizontal. I Have Mine Mounted On A 7 ft Pole Outside & Connect To Repeaters 45 to 50 Miles Away. (Using 22' of RG8X) This Antenna Does Not Work Well In A Attic, As The Majority Of The Signal Is Aimed Right Into The Roof Sheathing. A 3/4 Wave Antenna Is Not The Best Choice For Simplex Applications, Due To The Lack Of Horizontal Plane, But Works Very Well If You Have A Low ASL Elevation Attempting To Access Repeaters. Application, Application Should Always Enter Into Your Antenna Decisions & Choices.

Receiver de-sense is a common problem when there is a lack of receiver front end filters. Distance is also relevant for the transmitting / receiving radio to the repeater. If at the repeater tower site - for sure the repeater will & should be heard on a HT in the other hand. But at further distances, several miles away from the repeater, a cheaper radio without additional front end filtering can & most likely will be de-sensitized by another in close proximity transmitter - especially when only 5 MHz away.

Cheaper non commercial radios do not have the receiver front end filtering, as do commercial radios. So when you are transmitting to a repeater on one unit, & your 2nd unit is too close - Your 2nd unit's receiver is being de-sensitized by the transmitting unit & not receiving the repeater output. Depending on the manufacturer, a 50 yard separation should let you receive the repeater transmission, on the 2nd unit. This will not be noticed when talking simplex, as you are communicating radio to radio directly, regardless of close proximity.

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The Elkhart 550 was shut off on 8.28 when the rest of the Midwest Group repeaters were unlinked as required by FCC rules. It is unknown if that repeater will be reactivated as a stand alone repeater.

Great Job Rich ! Finally An Intelligent Approach To Maintain The Required Compliance With FCC Rules. Good Stuff......