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	<title>criten.org &#187; Radio</title>
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	<description>What can we hack up today?</description>
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		<title>P25 GRN Talkgroups</title>
		<link>http://www.criten.org/2011/02/p25-grn-talkgroups/</link>
		<comments>http://www.criten.org/2011/02/p25-grn-talkgroups/#comments</comments>
		<pubDate>Tue, 22 Feb 2011 23:40:58 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Radio]]></category>
		<category><![CDATA[Australian Government]]></category>
		<category><![CDATA[Government Radio Network]]></category>

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		<description><![CDATA[I saw this posted on scansydney.com today, thought I’d post it on my blog too… I reprogrammed my scanner with a lot of these talkgroups. The only agencies that haven’t moved to P25 so far are Rail Corp and the &#8230; <a href="http://www.criten.org/2011/02/p25-grn-talkgroups/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p>I saw this posted on scansydney.com today, thought I’d post it on my blog too… </p>
<p>I reprogrammed my scanner with a lot of these talkgroups.</p>
<p>The only agencies that haven’t moved to P25 so far are Rail Corp and the RTA – both still seem to use the analogue GRN.</p>
<p>Following is a list of Government Radio Network Talkgroups that have been discovered and more frequently than not, which agency owns it and a channel label.</p>
<p>10000 &#8211; GL 1   <br />10001 &#8211; GL 2    <br />10002 &#8211; GL 3    <br />10003 &#8211; GL 4    <br />10004 &#8211; GL 5    <br />10005 &#8211; GL 6    <br />10006 &#8211; GL 7    <br />10007 &#8211; GL 8    <br />10008 &#8211; GL 9    <br />10009 &#8211; GL 10    <br />10010 &#8211; ESO 1    <br />10011 &#8211; ESO 2    <br />10012 &#8211; ESO 3    <br />10013 &#8211; ESO 4    <br />10014 &#8211; ESO 5    <br />10015 &#8211; ESO 6    <br />10016 &#8211; ESO 7    <br />10017 &#8211; ESO 8    <br />10018 &#8211; ESO 9    <br />10019 &#8211; ESO 10    <br />10020 &#8211; ESO 11     <br />10021 &#8211; ESO 12     <br />10022 &#8211; ESO 13     <br />10023 &#8211; ESO 14     <br />10024 &#8211; ESO 15     <br />10025 &#8211; ESO 16     <br />10026 &#8211; ESO 17     <br />10027 &#8211; ESO 18     <br />10028 &#8211; ESO 19     <br />10029 &#8211; ESO 20    <br />10030 &#8211; RFS GD01 AVIATN1     <br />10031 &#8211; RFS GD02 AVIATN2     <br />10032 &#8211; RFS GD03 AVIATN3     <br />10033 &#8211; RFS GD04 AVIATN4     <br />10034 &#8211; RFS GD05 AVIATN5     <br />10035 &#8211; RFS GD06 AVIATN6     <br />10036 &#8211; RFS GD08 BLKM HL     <br />10037 &#8211; RFS GD10 BL MTNS     <br />10038 &#8211; RFS GD14 CISS     <br />10039 &#8211; RFS GD16 COM ED1     <br />10040 &#8211; RFS GD17 COM ED2     <br />10041 &#8211; RFS GD18 COM ED3     <br />10042 &#8211; RFS GD20 CMBRLND     <br />10043 &#8211; RFS GD21 EAST OP     <br />10044 &#8211; RFS GD22 EXEC OP     <br />10045 &#8211; RFS GD26 FIU 1     <br />10046 &#8211; RFS GD27 FIU 2     <br />10047 &#8211; RFS GD28 GOSFORD     <br />10048 &#8211; RFS GD29 HAWKESB     <br />10049 &#8211; RFS GD30 HORNSBY     <br />10050 &#8211; RFS GD38 LDS 1     <br />10051 &#8211; RFS GD39 LDS 2     <br />10052 &#8211; RFS GD42 MCARTHR     <br />10053 &#8211; RFS GD44 MEDIA 1     <br />10054 &#8211; RFS GD45 MEDIA 2     <br />10055 &#8211; RFS GD58 OP COM1     <br />10056 &#8211; RFS GD59 OP COM2     <br />10057 &#8211; RFS GD60 OP COM3     <br />10058 &#8211; RFS GD62 OPS1     <br />10059 &#8211; RFS GD63 OPS2     <br />10060 &#8211; RFS GD64 OPS3     <br />10061 &#8211; RFS GD65 OPS4     <br />10062 &#8211; RFS GD66 OPS5     <br />10063 &#8211; RFS GD67 OPS6     <br />10064 &#8211; RFS GD68 OPS7     <br />10065 &#8211; RFS GD69 OPS8     <br />10066 &#8211; RFS GD70 OPS9     <br />10067 &#8211; RFS GD71 OPS10     <br />10068 &#8211; RFS GD72 OPS11     <br />10069 &#8211; RFS GD73 OPS12     <br />10070 &#8211; RFS GD74 OPS13     <br />10071 &#8211; RFS GD75 OPS14     <br />10072 &#8211; RFS GD76 OPS15     <br />10073 &#8211; RFS GD77 RGN EST     <br />10074 &#8211; RFS GD87 STATEOP     <br />10075 &#8211; RFS GD88 STHRLND     <br />10076 &#8211; RFS GD91 WARINGH     <br />10077 &#8211; RFS GD94 WOLONDL     <br />10101 &#8211; Fire Rescue NSW SYD 1    <br />10102 &#8211; Fire Rescue NSW SYD 2    <br />10103 &#8211; Fire Rescue NSW SYD 3    <br />10104 &#8211; Fire Rescue NSW SYD 4    <br />10105 &#8211; Fire Rescue NSW SYD 6    <br />10106 &#8211; Fire Rescue NSW SYD 7    <br />10107 &#8211; Fire Rescue NSW SYD 8    <br />10108 &#8211; Fire Rescue NSW SYD 9    <br />10109 &#8211; Fire Rescue NSW SYD 10    <br />10110 &#8211; Fire Rescue NSW SYD 11    <br />10111 &#8211; Fire Rescue NSW SYD 12    <br />10112 &#8211; Fire Rescue NSW New 1    <br />10113 &#8211; Fire Rescue NSW New 2    <br />10114 &#8211; Fire Rescue NSW Gos 1    <br />10115 &#8211; Fire Rescue NSW Gos 2    <br />10117 &#8211; Fire Rescue NSW HAST 1     <br />10118 &#8211; Fire Rescue NSW SUMLND1    <br />10119 &#8211; Fire Rescue NSW PEEL 1    <br />10120 &#8211; Fire Rescue NSW WOLL 1     <br />10121 &#8211; Fire Rescue NSW WOLL 2    <br />10122 &#8211; Fire Rescue NSW S-HIGH1     <br />10123 &#8211; Fire Rescue NSW GOULB1    <br />10124 &#8211; Fire Rescue NSW MONARO1    <br />10125 &#8211; Fire Rescue NSW S-CST 1     <br />10126 &#8211; Fire Rescue NSW ACT-NSW     <br />10127 &#8211; Fire Rescue NSW GRIFFTH    <br />10128 &#8211; Fire Rescue NSW MURRAY1    <br />10129 &#8211; Fire Rescue NSW C-WEST1     <br />10130 &#8211; Fire Rescue NSW BLU MT1     <br />10131 &#8211; Fire Rescue NSW BLU MT2     <br />13132 &#8211; Fire Rescue NSW BOGAN 1     <br />10133 &#8211; Fire Rescue NSW LACHLN1    <br />10139 &#8211; Fire Rescue NSW    <br />10154 &#8211; Fire Rescue NSW    <br />10156 &#8211; Fire Rescue NSW    <br />10184 &#8211; Fire Rescue NSW    <br />10201 &#8211; SES 307-SN-TAC1    <br />10202 &#8211; SES 308-SN-TAC2    <br />10203 &#8211; SES 309-SN-TAC3    <br />10204 &#8211; SES 310-SN-TAC4    <br />10205 &#8211; SES 311-SN-TAC5    <br />10206 &#8211; SES 312-SN-TAC6    <br />10207 &#8211; SES 314-SNSTRAT    <br />10208 &#8211; SES 316-SS-TAC1    <br />10209 &#8211; SES 317-SS-TAC2    <br />10210 &#8211; SES 318-SS-TAC3    <br />10211 &#8211; SES 319-SS-TAC4    <br />10212 &#8211; SES 320-SS-TAC5    <br />10213 &#8211; SES 321-SS-TAC6    <br />10214 &#8211; SES 323-SSSTRAT    <br />10215 &#8211; SES 324-SW-TAC1    <br />10216 &#8211; SES 325-SW-TAC2    <br />10217 &#8211; SES 326-SW-TAC3    <br />10218 &#8211; SES 327-SW-TAC4    <br />10219 &#8211; SES 328-SW-TAC5    <br />10220 &#8211; SES 329-SW-TAC6    <br />10221 &#8211; SES 331-SWSTRAT    <br />10222 &#8211; SES 332-SW-RCR    <br />10223 &#8211; SES 340-HN-CNT1    <br />10224 &#8211; SES 341-HN-CNT2    <br />10225 &#8211; SES 342-HN-CNT3    <br />10226 &#8211; SES 343-HN-CNT4    <br />10227 &#8211; SES 344-HN-CNT5    <br />10228 &#8211; SES 347-TRNSPRT    <br />10229 &#8211; SES 348-CO-ORD    <br />10230 &#8211; SES 349-TSKFCE1    <br />10231 &#8211; SES 350-TSKFCE2    <br />10232 &#8211; SES 351-TSKFCE3    <br />10233 &#8211; SES 352-TSKFCE4    <br />10234 &#8211; SES 353-S/OPS1    <br />10235 &#8211; SES 354-S/OPS2    <br />10236 &#8211; SES 355-S/OPS3    <br />10237 &#8211; SES 356-S/OPS4    <br />10238 &#8211; SES 357-S/OPS5    <br />10239 &#8211; SES 358-S/OPS6    <br />10240 &#8211; SES 359-S/OPS7    <br />10241 &#8211; SES 360-S/OPS8    <br />10242 &#8211; SES 361-S/OPS9    <br />10243 &#8211; SES 362-S/OPS10    <br />10244 &#8211; SES 363-S/OPS11    <br />10245 &#8211; SES 364-S/OPS12    <br />10246 &#8211; SES 367-COMMS1    <br />10247 &#8211; SES 345-DOCS-LO    <br />10248 &#8211; SES 346-DOCS-ST    <br />10301 &#8211; ASNSW Administration 1 &#8211; State Operations / MRU     <br />10302 &#8211; ASNSW Administration 2     <br />10303 &#8211; ASNSW Administration 3     <br />10304 &#8211; ASNSW Administration 4     <br />10305 &#8211; ASNSW Administration 5     <br />10306 &#8211; ASNSW Administration 6 &#8211; NETS     <br />10309 &#8211; ASNSW    <br />10317 &#8211; ASNSW    <br />10319 &#8211; ASNSW Patient Transport (PTO Ops 1)    <br />10320 &#8211; ASNSW    <br />10321 &#8211; ASNSW    <br />10322 &#8211; ASNSW    <br />10323 &#8211; ASNSW    <br />10325 &#8211; ASNSW Syd North    <br />10326 &#8211; ASNSW Syd South    <br />10327 &#8211; ASNSW Syd East    <br />10328 &#8211; ASNSW Syd West    <br />10329 &#8211; ASNSW Syd S/W    <br />10330 &#8211; ASNSW Sydney Outer SW    <br />10331 &#8211; ASNSW Sydney Rural West (Outer west/blue mts)    <br />10333 &#8211; ASNSW    <br />10334 &#8211; ASNSW    <br />10335 &#8211; ASNSW    <br />10336 &#8211; ASNSW    <br />10339 &#8211; ASNSW    <br />10341    <br />10342 &#8211; ASNSW    <br />10343 &#8211; ASNSW    <br />10344 &#8211; ASNSW South Hospitals    <br />10345    <br />10346 &#8211; ASNSW West Hospitals    <br />10381 &#8211; Hatzolah Net 1    <br />10382 &#8211; Hatzolah Net 2    <br />10383 &#8211; Hatzolah Net 3    <br />10384 &#8211; Hatzolah Net 4    <br />10385 &#8211; Hatzolah Net 5    <br />10386 &#8211; Hatzolah Net 6    <br />10387 &#8211; Hatzolah Net 7    <br />10388 &#8211; Hatzolah Net 8    <br />10389 &#8211; Hatzolah Net 9    <br />10390 &#8211; Hatzolah Net 10    <br />10402 &#8211; Corrective Services transports    <br />10403 &#8211; Corrective Services VG visits    <br />10404 &#8211; Corrective Services VK visits    <br />10405 &#8211; Corrective Services NC visits    <br />10406 &#8211; Corrective Services WG visits    <br />10407 &#8211; Corrective Services    <br />10408 &#8211; Corrective Services    <br />10409 &#8211; Corrective Service external escorts    <br />10411    <br />10413 &#8211; Corrective Services    <br />10414 &#8211; Corrective Services Secure Unit    <br />10415 &#8211; Corrective Services    <br />10419 &#8211; Corrective Services    <br />10421 &#8211; Corrective Services projects    <br />10422 &#8211; Corrective Services    <br />10423 &#8211; Corrective Services    <br />10427    <br />10428    <br />10429    <br />10430    <br />10451    <br />10481    <br />10501 &#8211;     <br />10502    <br />10510    <br />10519    <br />10527    <br />10529    <br />10561    <br />10562    <br />10563 &#8211;     <br />10565    <br />10566 &#8211;    <br />10601 &#8211; Integral Energy &#8211; Control    <br />10602 &#8211; Integral Energy &#8211; Control    <br />10603 &#8211; Integral Energy &#8211; Control    <br />10604 &#8211; Integral Energy &#8211; Control    <br />10605 &#8211; Integral Energy &#8211; Control    <br />10606 &#8211; Integral Energy &#8211; Control    <br />10607 &#8211; Integral Energy &#8211; Control    <br />10608 &#8211; Integral Energy &#8211; Control    <br />10609 &#8211; Integral Energy &#8211; Control    <br />10610 &#8211; Integral Energy &#8211; Consion Control    <br />10611 &#8211; Integral Energy    <br />10612 &#8211; Integral Energy    <br />10613 &#8211; Integral Energy    <br />10614 &#8211; Integral Energy    <br />10615 &#8211; Integral Energy    <br />10616 &#8211; Integral Energy    <br />10617 &#8211; Integral Energy    <br />10618 &#8211; Integral Energy    <br />10619 &#8211; Integral Energy    <br />10620 &#8211; Integral Energy    <br />10621 &#8211; Integral Energy    <br />10622 &#8211; Integral Energy &#8211; Katoomba    <br />10623 &#8211; Integral Energy    <br />10624 &#8211; Integral Energy &#8211; Penrith 1     <br />10625 &#8211; Integral Energy &#8211; Penrith 2     <br />10626 &#8211; Integral Energy &#8211; Windsor     <br />10627 &#8211; Integral Energy &#8211; Kings Park 1     <br />10628 &#8211; Integral Energy &#8211; Kings Park 2     <br />10629 &#8211; Integral Energy &#8211; Parramatta 1    <br />10630 &#8211; Integral Energy &#8211; Parramatta 2    <br />10631 &#8211; Integral Energy &#8211; Hoxton 1    <br />10632 &#8211; Integral Energy &#8211; Hoxton 2     <br />10633 &#8211; Integral Energy &#8211; Narellan 1    <br />10634 &#8211; Integral Energy &#8211; Narellan 2     <br />10635 &#8211; Integral Energy    <br />10636 &#8211; Integral Energy    <br />10637 &#8211; Integral Energy    <br />10638 &#8211; Integral Energy    <br />10639 &#8211; Integral Energy    <br />10640 &#8211; Integral Energy    <br />10641 &#8211; Integral Energy    <br />10642 &#8211; Integral Energy    <br />10643 &#8211; Integral Energy    <br />10644 &#8211; Integral Energy    <br />10645 &#8211; Integral Energy &#8211; Radio techs and workshop    <br />10649 &#8211; Integral Energy &#8211; ?     <br />10701 &#8211; RTA Traffic Management Centre &#8211; State Operations    <br />10702    <br />10703    <br />10704    <br />10709    <br />10718    <br />10722    <br />10725    <br />10728    <br />10821    <br />10901 &#8211; Sydney Ferries    <br />10905 &#8211; Sydney Ferries    <br />10906 &#8211; Sydney Ferries    <br />10907 &#8211; Sydney Ferries    <br />10909 &#8211; Sydney Ferries    <br />10910 &#8211; Sydney Ferries    <br />10911 &#8211; Sydney Ferries    <br />10914 &#8211; Sydney Ferries    <br />10951 &#8211; NSW Maritime Sydney Region    <br />10952 &#8211; NSW Maritime    <br />10953 &#8211; NSW Maritime    <br />10954 &#8211; NSW Maritime Harbour Cleaning    <br />10955 &#8211; NSW Maritime Special talkgroup Alpha    <br />10956 &#8211; NSW Maritime Special talkgroup Bravo    <br />10957 &#8211; NSW Maritime    <br />10958 &#8211; NSW Maritime    <br />10959 &#8211; NSW Maritime    <br />10960 &#8211; NSW Maritime    <br />10961 &#8211; NSW Maritime    <br />11001 &#8211; Juvenile Justice    <br />11021 &#8211; Sheriff City    <br />11022 &#8211; Sheriff West    <br />11023 &#8211; Sheriff North    <br />11024 &#8211; Sheriff Nth Region Back Ch 1    <br />11025 &#8211; Sheriff South    <br />11026 &#8211; Sheriff Sth Region Back Ch 1    <br />11027 &#8211; Sheriff Tactical 1 (ch17)    <br />11028 &#8211; Sheriff Tactical 2    <br />11029 &#8211; Sheriff Tactical 3    <br />11030 &#8211; Sheriff Joint Task Fed Sec Channel    <br />11034    <br />11071 &#8211; Sutherland Council    <br />11072 &#8211; Sutherland Council    <br />11073 &#8211; Sutherland Council    <br />11074 &#8211; Sutherland Council depot / workshop     <br />11075 &#8211; Sutherland Council    <br />11076 &#8211; Sutherland Council Rangers    <br />11077 &#8211; Sutherland Council Rangers back channel     <br />11078 &#8211; Sutherland Council work crews    <br />11079 &#8211; Sutherland Council    <br />11080 &#8211; Sutherland Council    <br />11081 &#8211; Sutherland Council    <br />11082 &#8211; Sutherland Council    <br />11101 &#8211; Rail    <br />11136 &#8211; Rail CHAN 01    <br />11144 &#8211; Rail channel 9    <br />11145 &#8211; Rail Hunter Operations    <br />11146 &#8211; Rail Hunter Incidents    <br />11147 &#8211; Rail CHAN 12    <br />11151 &#8211; Rail &#8216;all channels&quot;    <br />11158 &#8211; Rail    <br />11168 &#8211; Rail SW Rail 1    <br />11184 &#8211; Rail    <br />11200 &#8211; Rail    <br />11240 &#8211; Rail W&#8217;Gong 1    <br />11316 &#8211; Rail     <br />11317 &#8211; Rail    <br />11320 &#8211; Rail    <br />11321 &#8211; Rail    <br />11322 &#8211; Rail    <br />11323 &#8211; Rail    <br />11324 &#8211; Rail    <br />11325 &#8211; Rail    <br />11421    <br />11422    <br />11441    <br />11471 &#8211; ABC News    <br />11472 &#8211; ABC News    <br />11473 &#8211; ABC News    <br />11474 &#8211; ABC News    <br />11475 &#8211; ABC News    <br />11931    <br />19801 &#8211; short term rental    <br />19802 &#8211; short term rental    <br />19803 &#8211; short term rental    <br />19804 &#8211; short term rental    <br />19805 &#8211; short term rental    <br />19811    <br />19901 &#8211; Test talkgroup 1    <br />19902 &#8211; Test talkgroup 2    <br />19903 &#8211; Test talkgroup 3    <br />19904 &#8211; Test talkgroup 4    <br />19905 &#8211; Test talkgroup 5    <br />19906 &#8211; Test talkgroup 6    <br />19907    <br />19931    <br />11932    <br />19933    <br />19952    <br />19954    <br />19960    <br />19999 &#8211; POP &#8211; 25    <br />20000 &#8211; RFS GD07 BAR DRL     <br />20001 &#8211; RFS GD11 CANBOLS     <br />20002 &#8211; RFS GD12 CSTLRGH     <br />20003 &#8211; RFS GD13 CHIFLEY     <br />20004 &#8211; RFS GD15 CLARNCE     <br />20005 &#8211; RFS GD19 CDGEGNG     <br />20006 &#8211; RFS GD23 FARNHCO     <br />20007 &#8211; RFS GD25 FAR WST     <br />20008 &#8211; RFS GD32 HUNTER     <br />20009 &#8211; RFS GD33 HUNTVAL     <br />20010 &#8211; RFS GD36 LITHGOW     <br />20011 &#8211; RFS GD37 LVPL RG     <br />20012 &#8211; RFS GD40 LOWNHCO     <br />20013 &#8211; RFS GD43 MANNING     <br />20014 &#8211; RFS GD47 MD LACH     <br />20015 &#8211; RFS GD49 MIDNHCO     <br />20016 &#8211; RFS GD52 NMGWYDR     <br />20017 &#8211; RFS GD53 NWENGLD     <br />20018 &#8211; RFS GD54 NTH OPS     <br />20019 &#8211; RFS GD55 NTHWEST     <br />20020 &#8211; RFS GD56 NTHN RIV     <br />20021 &#8211; RFS GD57 NTH TAB     <br />20022 &#8211; RFS GD61 ORANA     <br />20023 &#8211; RFS GD78 RGN NTH     <br />20024 &#8211; RFS GD80 RGN WST     <br />20025 &#8211; RFS GD89 TAMWRTH     <br />20026 &#8211; RFS GD90 THE LKS     <br />20027 &#8211; RFS GD92 WST OPS     <br />20201 &#8211; SES 107-CN-TAC1    <br />20202 &#8211; SES 108-CN-TAC2    <br />20203 &#8211; SES 109-CN-TAC3    <br />20204 &#8211; SES 110-CN-TAC4    <br />20205 &#8211; SES 111-CN-TAC5    <br />20206 &#8211; SES 112-CN-TAC6    <br />20207 &#8211; SES 113-CN-TAC7    <br />20208 &#8211; SES 114-CN-TAC8    <br />20209 &#8211; SES 116-CNSTRAT    <br />20210 &#8211; SES 127-CW-TAC1    <br />20211 &#8211; SES 128-CW-TAC2    <br />20212 &#8211; SES 129-CW-TAC3    <br />20213 &#8211; SES 130-CW-TAC4    <br />20214 &#8211; SES 131-CW-TAC5    <br />20215 &#8211; SES 133-CWSTRAT    <br />20216 &#8211; SES 135-FW-TAC1    <br />20217 &#8211; SES 136-FW-TAC2    <br />20218 &#8211; SES 137-FW-TAC3    <br />20219 &#8211; SES 138-FW-TAC4    <br />20220 &#8211; SES 139-FW-TAC5    <br />20221 &#8211; SES 140-FW-TAC6    <br />20222 &#8211; SES 142-FWSTRAT    <br />20223 &#8211; SES 155-HU-TAC1    <br />20224 &#8211; SES 156-HU-TAC2    <br />20225 &#8211; SES 157-HU-TAC3    <br />20226 &#8211; SES 158-HU-TAC4    <br />20227 &#8211; SES 159-HU-TAC5    <br />20228 &#8211; SES 160-HU-TAC6    <br />20229 &#8211; SES 162-HUSTRAT    <br />20230 &#8211; SES 173-LA-TAC1    <br />20231 &#8211; SES 174-LA-TAC2    <br />20232 &#8211; SES 175-LA-TAC3    <br />20233 &#8211; SES 176-LA-TAC4    <br />20234 &#8211; SES 177-LA-TAC5    <br />20235 &#8211; SES 178-LA-TAC6    <br />20236 &#8211; SES 180-LASTRAT    <br />20237 &#8211; SES 1129-NM-TAC1    <br />20238 &#8211; SES 1130-NM-TAC2    <br />20239 &#8211; SES 1131-NM-TAC3    <br />20240 &#8211; SES 1132-NM-TAC4    <br />20241 &#8211; SES 1133-NM-TAC5    <br />20242 &#8211; SES 1134-NM-TAC6    <br />20243 &#8211; SES 1136-NMSTRAT    <br />20244 &#8211; SES 1144-NW-TAC1    <br />20245 &#8211; SES 1145-NW-TAC2    <br />20246 &#8211; SES 1146-NW-TAC3    <br />20247 &#8211; SES 1147-NW-TAC4    <br />20248 &#8211; SES 1148-NW-TAC5    <br />20249 &#8211; SES 1149-NW-TAC6    <br />20250 &#8211; SES 1150-NW-TAC7    <br />20251 &#8211; SES 1151-NW-TAC8    <br />20252 &#8211; SES 1153-NWSTRAT    <br />20253 &#8211; SES 1165-OX-TAC1    <br />20254 &#8211; SES 1166-OX-TAC2    <br />20255 &#8211; SES 1167-OX-TAC3    <br />20256 &#8211; SES 1168-OX-TAC4    <br />20257 &#8211; SES 1169-OX-TAC5    <br />20258 &#8211; SES 1170-OX-TAC6    <br />20259 &#8211; SES 1171-OX-TAC7    <br />20260 &#8211; SES 1172-OX-TAC8    <br />20261 &#8211; SES 1174-OXSTRAT    <br />20262 &#8211; SES 1185-RT-TAC1    <br />20263 &#8211; SES 1186-RT-TAC2    <br />20264 &#8211; SES 1187-RT-TAC3    <br />20265 &#8211; SES 1188-RT-TAC4    <br />20266 &#8211; SES 1189-RT-TAC5    <br />20267 &#8211; SES 1190-RT-TAC6    <br />20268 &#8211; SES 1191-RT-TAC7    <br />20269 &#8211; SES 1192-RT-TAC8    <br />20270 &#8211; SES 1194-RTSTRAT    <br />20301 &#8211; ASNSW Newcastle Operations     <br />20302 &#8211; ASNSW Outer Hunter Operations     <br />20303 &#8211; ASNSW Gosford Operations     <br />20304 &#8211; ASNSW North Incident 1     <br />20305 &#8211; ASNSW North Incident 2     <br />20306 &#8211; ASNSW Hunter Hospitals     <br />20307 &#8211; ASNSW Mid-West Operations 1     <br />20308 &#8211; ASNSW Mid-West Operations 2     <br />20309 &#8211; ASNSW Macquarie Operations 1     <br />20310 &#8211; ASNSW Macquarie Operations 2     <br />20311 &#8211; ASNSW New England Operations 1     <br />20312 &#8211; ASNSW New England Operations 2     <br />20313 &#8211; ASNSW West Incident 1     <br />20314 &#8211; ASNSW West Incident 2     <br />20320    <br />20401    <br />20402 &#8211; Corrective Services Tomago PDC    <br />20403 &#8211; Corrective Services    <br />20404    <br />20406    <br />20502 &#8211; Ausgrid    <br />20505 &#8211; Ausgrid    <br />20510 &#8211; Ausgrid    <br />20513    <br />20516    <br />20519 &#8211; Ausgrid    <br />20521    <br />20522 &#8211; Ausgrid    <br />20523    <br />20524    <br />20525 &#8211; Ausgrid Singleton Depot    <br />21001 &#8211; Hunter Water East    <br />21002 &#8211; Hunter Water    <br />21003 &#8211; Hunter Water North    <br />21004 &#8211; Hunter Water    <br />21005 &#8211; Hunter Water    <br />21006 &#8211; Hunter Water    <br />21120    <br />30000 &#8211; RFS GD09 BLD TEM     <br />30001 &#8211; RFS GD24 FARSHCO     <br />30002 &#8211; RFS GD31 HUME SB     <br />30003 &#8211; RFS GD34 ILLWARA     <br />30004 &#8211; RFS GD35 L GEORG     <br />30005 &#8211; RFS GD41 LOWWSTN     <br />30006 &#8211; RFS GD46 MIA     <br />30007 &#8211; RFS GD48 MID MUR     <br />30008 &#8211; RFS GD50 MID WST     <br />30009 &#8211; RFS GD51 MONARO     <br />30010 &#8211; RFS GD79 RGN STH     <br />30011 &#8211; RFS GD81 RV HIGH     <br />30012 &#8211; RFS GD82 RIVERNA     <br />30013 &#8211; RFS GD83 SHOALHN     <br />30014 &#8211; RFS GD84 STH OPS     <br />30015 &#8211; RFS GD85 SWSZ     <br />30016 &#8211; RFS GD86 STHN TD     <br />30017 &#8211; RFS GD93 WNGCARI    <br />30201 &#8211; SES 163-IS-TAC1    <br />30202 &#8211; SES 164-IS-TAC2    <br />30203 &#8211; SES 165-IS-TAC3    <br />30204 &#8211; SES 166-IS-TAC4    <br />30205 &#8211; SES 167-IS-TAC5    <br />30206 &#8211; SES 168-IS-TAC6    <br />30207 &#8211; SES 169-IS-TAC7    <br />30208 &#8211; SES 170-IS-TAC8    <br />30209 &#8211; SES 172-ISSTRAT    <br />30210 &#8211; SES 181-ME-TAC1    <br />30211 &#8211; SES 182-ME-TAC2    <br />30212 &#8211; SES 183-ME-TAC3    <br />30213 &#8211; SES 184-ME-TAC4    <br />30214 &#8211; SES 185-ME-TAC5    <br />30215 &#8211; SES 186-ME-TAC6    <br />30216 &#8211; SES 187-ME-TAC7    <br />30217 &#8211; SES 188-ME-TAC8    <br />30218 &#8211; SES 190-MESTRAT    <br />30219 &#8211; SES 1101-MQ-TAC1    <br />30220 &#8211; SES 1102-MQ-TAC2    <br />30221 &#8211; SES 1103-MQ-TAC3    <br />30222 &#8211; SES 1104-MQ-TAC4    <br />30223 &#8211; SES 1105-MQ-TAC5    <br />30224 &#8211; SES 1106-MQ-TAC6    <br />30225 &#8211; SES 1108-MQSTRAT    <br />30226 &#8211; SES 1109-MY-TAC1    <br />30227 &#8211; SES 1110-MY-TAC2    <br />30228 &#8211; SES 1111-MY-TAC3    <br />30229 &#8211; SES 1112-MY-TAC4    <br />30230 &#8211; SES 1113-MY-TAC5    <br />30231 &#8211; SES 1114-MY-TAC6    <br />30232 &#8211; SES 1116-MYSTRAT    <br />30233 &#8211; SES 1209-SH-TAC1    <br />30234 &#8211; SES 1210-SH-TAC2    <br />30235 &#8211; SES 1211-SH-TAC3    <br />30236 &#8211; SES 1212-SH-TAC4    <br />30237 &#8211; SES 1213-SH-TAC5    <br />30238 &#8211; SES 1214-SH-TAC6    <br />30239 &#8211; SES 1215-SH-TAC7    <br />30240 &#8211; SES 1216-SH-TAC8    <br />30241 &#8211; SES 1218-SHSTRAT    <br />30302    <br />30306    <br />30401    <br />30402    <br />40013 &#8211; ACT Ambulance Ops 1    <br />40032 &#8211; ACT     <br />40038 &#8211; ACT     <br />40050 &#8211; ACT (Encrypted &#8211; probably either ACTFB or ACTAS)    <br />40051 &#8211; ACT (Encrypted &#8211; probably either ACTFB or ACTAS)    <br />40052 &#8211; ACT (Encrypted &#8211; probably either ACTFB or ACTAS)    <br />40055 &#8211; ACT Fire Brigade Ops 6    <br />40068 &#8211; ACT RFS Ops 1    <br />40069 &#8211; ACT RFS Ops 2    <br />40070 &#8211; ACT RFS Ops 3    <br />40071 &#8211; ACT RFS Ops 4    <br />40072 &#8211; ACT RFS Ops 5    <br />40073 &#8211; ACT RFS Ops 6    <br />40074 &#8211; ACT RFS Ops 7    <br />40075 &#8211; ACT RFS Ops 8    <br />40076 &#8211; ACT RFS Ops 9    <br />40077 &#8211; ACT RFS Ops 10    <br />40078 &#8211; ACT SES Ops 1    <br />40079 &#8211; ACT SES Ops 2    <br />40080 &#8211; ACT SES Ops 3    <br />40081 &#8211; ACT SES Ops 4    <br />40082 &#8211; ACT SES Ops 5 (referred to as a &quot;Vehicle to vehicle talkgroup&quot;)    <br />40083 &#8211; ACT SES Ops 6    <br />40084 &#8211; ACT SES Ops 7    <br />40085 &#8211; ACT SES Ops 8    <br />40086 &#8211; ACT SES Ops 9    <br />40087 &#8211; ACT SES Ops 10    <br />40088 &#8211; ACT SES Ops 11    <br />40090 &#8211; ACT     <br />40093 &#8211; ACT Parks and Conservation Service (replaced the old &quot;PARKS 2&quot; TG)    <br />42000    <br />42003    <br />42005</p>
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		<title>Inside a Linux powered FM Radio Station</title>
		<link>http://www.criten.org/2009/10/inside-a-linux-powered-fm-radio-station/</link>
		<comments>http://www.criten.org/2009/10/inside-a-linux-powered-fm-radio-station/#comments</comments>
		<pubDate>Sat, 10 Oct 2009 11:05:47 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Radio]]></category>
		<category><![CDATA[Broadcasting]]></category>
		<category><![CDATA[Icecast]]></category>

		<guid isPermaLink="false">http://www.criten.org/2009/10/inside-a-linux-powered-fm-radio-station/</guid>
		<description><![CDATA[An interesting job I took in a few months back was for a licensed FM Radio station who desired to use Linux because of the lack of licensing fees – which is an issue because of their tiny operational budget. &#8230; <a href="http://www.criten.org/2009/10/inside-a-linux-powered-fm-radio-station/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p>An interesting job I took in a few months back was for a licensed FM Radio station who desired to use Linux because of the lack of licensing fees – which is an issue because of their tiny operational budget. The station also pointed out a number of “live assist” applications that are Linux based, that are designed to aid in broadcasting live audio from a desktop computer. A live Internet stream of their FM broadcast was also required.</p>
<p><span id="more-37"></span></p>
<p>I was quite surprised by a customer, with no real technical capabilities, had specifically requested Linux. We ended up using Debian, NIS &amp; NFS for &#8216;account roaming&#8217; across multiple machines, and the Gnome Desktop.</p>
<p>The Internet stream initially seemed simple to solve but proved to be quite a challenge. Reliability was the major issue. I setup an Icecast stream and found due to my DSL connection dropping out, the stream would drop out some 6-12 times per day. Once every 2 hours did not seem acceptable.</p>
<p>The solution to that problem now encompasses two physically separated sites with their own independent Internet connections uploading the stream to two public Icecast servers. In order to allow for redundancy, the stream uploaders run Icecast servers and the public servers are configured to relay streams from these machines. With stream fallbacks, one of the stream uploaders can go offline, or one of the public servers can go offline, and the stream will remain in a working state. Even still, its important enough to warrant SMS notifications in the event any equipment in this pool goes offline – so we monitor it around the clock.</p>
<p>The only form of Internet available to us is ADSL from Telstra and their resellers. There simply are no other affordable options in our area since the OPEL project was canned by Krudd. This limits us to 384kB/sec at each stream uploader site. We can only afford one line at each uploader site, and there are other uses of the Internet connection, so the realistic available bandwidth is even less.</p>
<p>The bandwidth limitations meant we could only upload one high quality stream. However, we required several in different formats and bitrates to suit listeners requirements. Stream transcoding at the server end seemed the only possible solution &#8211; and it seems the Icecast developers aren&#8217;t interested in stream transcoding at all due to &#8216;quality loss&#8217;. There are very few applications available to handle this task. I ended up making numerous watchdogs for the buggy streamtranscoder package from oddsock. This enabled us to transcode the stream into another 3 formats.</p>
<p>Playback in web browsers seemed to be another drawback for Icecast/Shoutcast. Two methods are possible &#8211; use HTML &lt;embed&gt; tags to request a plugin the user may or may not have installed, or use Adobe Flash. Adobe Flash seems sensible, but its lack of handling for live streams makes it the worst choice &#8211; playback is distorted, or non-existant, in many mainstream browsers. I’m still to develop a reliable method to play the stream in a browser that “works everywhere”.</p>
<p>Another problem the station faced was broadcast recordings. By law, ACMA requires the broadcast is recorded and copies are retained for 6 weeks. The old solution was huge piles of VCR machines which would fall over frequently for many different reasons including tapes only lasting 6 months with the duty cycle the station imposed on them.</p>
<p>A couple shell based tools made recording possible with just a shell script executed from cron. But like always, it took some time to perfect. We had also added a terabyte of RAID5 so there was plenty of storage for 2 months of recordings at a high bitrate which seemed an easier number to archive. The implementation of this quite simplistic shell script has been a huge success – with many presenters pulling their own shows, for their own archiving purposes, from the recording system I setup. It is the primary method for recording radio shows today.</p>
<p>Better software for broadcasting from the PC is in the works at last. It seemed the station was initially interested, but then failed to locate a presenter who was willing to use such a system. We now have one – and hopefully can use this presenter to turn more. Its still unclear how we can wire it to the FM broadcasting equipment while retaining reliability.</p>
<p>Given the special requirements for a radio station, and the costs of licensing software to handle it &#8211; seems you&#8217;d be crazy to not take the Linux route. But it isn&#8217;t an easy route – but that seems true for any PC solution for public radio broadcasting.</p>
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