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|    LS_ARRL    |    Bulletins from the ARRL    |    3,036 messages    |
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|    Message 3,004 of 3,036    |
|    Daryl Stout to All    |
|    Ham Radio Glossary (I)    |
|    30 Jun 23 00:03:54    |
      TZUTC: -0500       MSGID: 550.fidonet-ls_arrl@1:2320/33 29039a60       PID: Synchronet 3.20a-Win32 master/777fb6d8b Jun 13 2023 MSC 1929       TID: SBBSecho 3.20-Win32 master/777fb6d8b Jun 13 2023 MSC 1929       BBSID: TBOLT       CHRS: ASCII 1       From QRZ.Com, the Icom handout, and Part 97 Of The FCC Rules -       Ham Radio Glossary - An overview of amateur radio terms.              Iambic       A method of Morse Code keying. Holding both paddles at same time sends       alternating dits and dahs (courtesy of VE3FFK).              IARP       International Amateur Radio Permit. A document issued pursuant to the       terms of the Inter-American Convention on an International Amateur Radio       Permit by a country signatory to that Convention, other than the United       States. Montrouis, Haiti.               IC       Integrated Circuit              IF       Intermediate Frequency       Internally converted frequency for amplification and other signal       processing.              IF shift       A function that electronically shifts IF frequency from a center       frequency.              IMD       Inter-Modulation Distortion. Distortion within RF circuits made with       upper and lower adjacent channel signals. Also see Intermod.              Indicator       Words, letters or numerals appended to and separated from the call sign       during the station identification.               Information bulletin       A message directed only to amateur operators consisting solely of subject       matter of direct interest to the amateur service.               Intermod       Derived from the expression "Intermodulation Distortion" (IMD). A problem       caused in the receiver of a radio by a nearby transmitter's spurious       signals which may fall on or very near to the receiver's receive frequency.       In some cases, a perfectly clean transmitter (i.e., no spurious signals)       can produce intermod if it overloads a receiver or if there is some other       point for 3rd order intercept. Intermod which is close, but not necessarily       right on, the receiver's frequency can cause the receiver to become less       sensitive (also known as "desense"). This is seen in some areas, where       there is a large proliferation of "pagers", as well as amateur radio       repeaters.              International Morse code       A dot-dash code as defined in ITU-T Recommendation F.1 (March, 1998),       Division B, I. Morse code.               IOTA       "Islands on the Air"; for more information, please see       http://www.islandchaser.com/.              IQ0       Slang for "IQ of zero"; an idiot (courtesy of GI4FUE).              IRC       "International Reply Coupon". A system by which most country's postal       systems provide a coupon which can be purchased, and then used by a       sender in any other country to obtain return mail postage. This system       allows you to provide return postage for those in another country,       especially useful when you do not have access to that country's postage       stamps or currency. IRC's are frequently used to assure return postage       for a QSL card. For more information, please see QRZ's "QSL Corner" at       http://www.qrz.com/qsl.html.              ITU       International Telecommunication Union.       --- SBBSecho 3.20-Win32        * Origin: The Thunderbolt BBS - Little Rock, Arkansas (1:2320/33)       SEEN-BY: 1/19 123 15/0 16/0 19/10 37 90/1 105/81 106/201 116/17 18       SEEN-BY: 123/10 130 131 142/104 153/7715 154/10 30 40 50 700 203/0       SEEN-BY: 218/700 840 220/90 221/1 6 360 226/18 30 227/114 229/110       SEEN-BY: 229/112 113 206 307 317 426 428 470 664 700 240/5832 266/512       SEEN-BY: 280/5003 282/1038 291/111 301/1 317/3 320/119 219 319 2119       SEEN-BY: 322/0 757 335/364 341/66 342/200 396/45 423/81 460/58 633/280       SEEN-BY: 712/848 2320/0 33 105 304 401 3634/12 5075/35       PATH: 2320/33 105 154/10 221/6 1 320/219 229/426           |
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