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Start with Repeater Operation What is a Repeater? Station usually in a high location Repeats what it hears so others can hear Why start there? Greatly increases your range Watering hole people listen to frequency
Repeater Operation Rx 448.225 -> Tx 443.225 Tx 448.225 PL 100.0 Rx 443.225 Frequency Set the Rx frequency (443.225) Offset (shift) 2m: 600 khz, UHF: 5 MHz PL tone (CTCSS) Sub-audible tone access
Repeater
South Bay Site
Popular Freqs Northern California 2 Meter Band Plan CW SSB SAT DIG PKT EXP DIG SAT Repeater Repeater Repeater SMPX Repeater Repeater SMPX Repeater 20 Ch khz Spacing 15 Ch khz Spacing 144.200 SSB Calling (USB) 144.390 APRS Digital data 145.390 repeater 146.460 Remote bases 146.520 Calling frequency 147.420 Red Cross. d Coordinators FM/Repeaters www.narcc.org Packet www.n0ary.org/ncpa Satellite www.amsat.org Every region has some differences Go by the regional coordinators band plan first Then ARRL band plan.
Repeater Inputs UHF Band Plan 25 Ch khz Spacing Repeater Outputs Links Satellite Experimental Popular Freqs 432.000 SSB (USB) 443.225 443.975 444.075 D-Star 444.425 C4FM 446.000 Simplex CW / SSB ATV Links
Transmit Offset or Shift The transmitter s offset from the Rx frequency Where the repeater listens Standard offsets 10m 100 khz 6m 1.2 MHz 2m 600 khz 220 1.6 MHz UHF 5.0 MHz 900 25 MHz 1.2 20 MHz
69.3 71.9 74.4 77.0 79.7 82.5 85.4 88.5 91.5 94.8 97.4 100.0 103.5 107.2 110.9 114.8 118.8 123.0 127.3 131.8 136.5 141.3 146.2 151.4 156.7 162.2 167.9 173.8 179.9 186.2 192.8 203.5 210.7 218.1 225.7 229.1 233.6 241.8 250.3 254.1 CTCSS - PL - Channel Guard Names for the same thing Continuous Tone Coded Squelch System Private Line (Motorola) Channel Guard (GE) What is it 32 standard sub-audible tones between 67-230 Hz Deviation < 600 Hz (Voice peaks at +/- 5 khz) Allows multiple repeaters to co-exist on the same frequency PL Tone 5 khz Adding voice modulation
CTCSS Decode Rx 448.225 PL 100.0 -> Tx 443.225 PL 100.0 Tx 448.225 PL 100.0 Bob Rx 443.225 PL 100.0 Joe Rx 443.225 PL 127.3 Only hear stations that transmit the same PL Useful for areas of high interference Listen only for members of my group
Digital Coded Squelch (DCS) - DPL Same application as CTCSS Sub-audible tone 134.4 bits per second 104 Digital Codes Less likely to false than PL 9 data bits + 11 check bits + framing bits 3 digit octal value
Narrow vs Wide FM +5.0+5 +2.5+5 0-2.5+5-5.0+5 In 1975 Wide = 15 khz Narrow = 5 khz Today Normal (wide) = 5 khz Narrow = 2.5 khz FM Deviation
Narrow vs Normal (Wide) FM Normal (Wide) 20/25 khz channels Amateur radio GMRS MURS Old public safety & land mobile radio Narrow 6.25/12.5 khz channels 900 MHz amateur radio repeaters FRS Part 90 public safety & land mobile radio
Frequency Guides NARCC Web site & repeater guide ARRL Repeater Directory IOS & Android Apps
Digital Voice & VOIP Modes Digital Voice D-Star - Yaesu C4FM - DMR - P25 Growing interest Highly fragmented, incompatible systems Don t wait for a single standard Really fun new modes Jump in! VOIP Systems Connect radio systems through the internet IRLP: >1,600 connected repeaters world wide Echolink: >200k people and repeaters world wide
Try The Other Bands and Modes 3.525-3.600 MHz CW 7.025-7.125 MHz CW 21.025-21.200 MHz CW 28.000-28.300 MHz CW, RTTY/Data 28.300-28.500 MHz CW, Phone CW can be really fun and great for DX and QRP. Use your computer/phone to decode if needed. Work the world when the band is open! 6 Meters 6 meters opens up for long distances 222 MHz 900 MHz 1.2 GHz Lots of repeaters on the other bands as well.
Getting On The Air - Repeaters Pick a repeater and program your radio Listen for a few minutes No traffic? Announce your presence K6BEZ Listening, Anyone on frequency? Not: CQ CQ CQ This is K6BEZ Round table QSO in process Wait for a pause in the action K6BEZ
What Do I Talk About? Basic (boring) QSO Call, Name, Location, Radio, Weather, Traffic More interesting QSO What are your areas of interest in amateur radio? What motivated you to get your ticket? What projects are you working on? What other hobbies or interests do you have? Why did you choose that radio? I need some advice on Did you attend Pacificon / Hamvention / Etc.?
QSO Lingo CQ CQ CQ - General call to any station Q-Signals Can be statements or questions. QTH Location QRZ Who is calling me? QRM Interference from another station QRP Low power QSO Two way radio contact QSL Verification of contact QRT Going off the air Signal reports RST You have a solid 59 signal here Readability 1-5 Signal Strength 1-9 Tone (CW Only) 1-9 73 Best regards
Getting On The Air FM Simplex 146.520 National FM calling frequency Establish a connection and move (QSY) to another working frequency Controversy Using 52 as a chat channel 146.43 146.46 146.49 146.52 146.55 146.58 147.42 147.45 147.48 147.51 147.54 147.57 Calling Channel
Getting On The Air SSB Operation just like HF SSB but local Use USB (Upper Side Band) Antennas horizontally polarized? Not really Popular during contests 144.00-144.05 EME (CW) 144.05-144.10 General CW and weak sig 144.10-144.20 EME and weak-signal SSB 144.200 National SSB calling frequency 144.200-144.275 General SSB operation 144.275-144.300 Propagation beacons
Getting On The Air Easy Satellite ISS Digipeater Handheld APRS radio Homebrew Yagi Smartphone app
Media Resoures Podcasts Ham Radio Workbench ICQ Podcast Solder Smoke Amateur Radio Newsline ARRL Audio News Video Tx Factor Amateur Logic TV EEV Blog
Structured Fun Contests Field Day CQ VHF Nets ARES, RACES, Red Cross, American Legion Summits on the Air (SOTA www.sota.org.uk) Hiking + operating Vacation mini-dxpedition - Take your radio with you! Fine print: Subject to spousal consent. May lead to significant financial hardship do to divorce or physical injury. Use only with pre-negotiated approval. Not recommended for newlyweds. May cause significant credit card cramping. If you need a good lawyer I know a guy.
10 Things You Should Do In your 1 st year 1. Program your radio 2. Join a local club and! 3. Attend a Field Day event 4. Attend the Maker Faire - or Hamvention 5. Operate on a net 6. Make a simplex contact 7. Try IRLP and/or EchoLink 8. Put together your go kit 9. Study for your license upgrade 10. Get on the air 50% of new tickets don t
Thank you Any Questions?