Propagation
Solar X-rays
Geomagnetic field

Operations

• OperationsPage,   - support: TimeCheck, AzMap(FM19rm), DetermineGridSq, GridSq-LatLon, Radius-Point, W1AW-Sked.
• Freq Allocations: HamBands-ARRL, BandPlans, Old(Full, Ham).
• Traffic Handling: MsgForm, FSB-3, DisasterWelfareMsg, FSB-218, NTS-MsgFormat, MsgDefinitions, MsgDefined.
• Signal ID: Artemis, SignalIDGuide.
• Space Wx: Forecast, SpaceWx, SpaceWxPredict, U.AK, WM7D-PropChart, Indicies, AU-NVIS, FoF2, SpaceW, PropIndex.
• Gear Guide: PK-232, TS-850, TS-890s(InstMan, InDepthMan), TL-922(UserMan, ServiceMan).
• RemoteRcvrs:
  • Western-US: AZ, UT, UT-east.
  • Eastern-US (N=>S): VT, ne-PA, DC, e-NC, c-NC, n-GA, c-FL, s-FL.
  • Canada (W+>E): BC, w-ON, e-ON.
  • Nordic (NW=>SE): Norway, s-Sweden, s-Finland.
  • SouthAmerica: Argentina.
  • Europe (W=>E): Ireland, UK, Spain, Netherlands, Austria, Poland, Romania, Romania, e-RU.
  • Aus-Asia: Nepal, w-RU, Korea, c-Japan, e-Japan, w-AUS, NSW-AUS, NZ.
    
    
  • Rcvr: RevBeacon.
  • RemoteRcvrInfo: KiwiSDR-List, Broadcastify, VE7CC-Cluster, kiwi-SDR(parts).
• Intl Call Assignments: By-Prefix, By-Country, RSGB by Prefix.
• Callbook:
  • Amateur: CallLookup, Radioing, FCC, CA, ARRL, QRZ, QTH, WM7D, MapCall, GridMapper, OldCallbooks. VanityLookup(RadioQTH, AE7Q).
  • Broadcast: FCC-Query(AM, FM, TV). CalcFieldStrength, RadioLoc(21131), byZip, RadioLocator.

Ham Equipment

• Manufacturers:
  • Major: Alinco, Elecraft, Flex, Icom, Kenwood(TS-890s), TenTec, Yaesu.
  • Minor: Anan(ApacheLabs), ARR, Bird, Bitx(HF-Signals), CommRadio, ConnectSys 2, DownEast, Heil, LDG, MFJ, Mirage, PreppComm, Xeigu(RadioOddity), SDRplay, SGC, Telepost.
  • HF Power Amps: Selector, eHamReviews, Acom(1500, A1000), Alpha, Ameritron, Elecraft, Emtron, Expert, Icom-PW2, Mercury, OM-Power(distr), Palstar, QRO-Tech, RF-Kit(dist), SPE-Expert, Parts: HarbachKits, KesslerEngr, RF-Parts, TOF1-2.
  • RadioModems + TNCs: Kantronics, MicroHam, SCS, Tiger, Timewave, WestMtn.
  • QRP + Kits: Adafruit, BlissRadio, Elect123, EleKitsOrParts, Emtech, FarCkts, FiveDash, Bitx(HF-Signals), IntuitiveCkts, K1EL-Systems, Kits+Parts, Midway, MidnightDesignSol, Motron, Q-Kits, QRP-Guys, QRP-Labs, QRP-Kits, QRPme, QRPworks, NightfireKits, SparkFun, TAPR, Tindie, UM, Vectronics, ZachTek, 4SQRP.
  • Morse Keys: AmRadProd, AmerMorse, FingerTipTap, Kent, Milestone, Paddlette, Ukraine, Vibroplex, Whiterook.
  • Power Supplies: Astron, PortPower, Samlex, WestMtnRadio.
  • Commercial Radios - for Ham Use: Arcom, Baofeng, Barrett, Codan, Micom, SouthernAv, WinRadio, Wouxun/Anytone.
  • Test Equip: RF-Consult.
  • Racks + Packaging: Bud, NovexComm, RackMountMt.
• Distributors: ArraySol, AssocRadio, CheapHam, DX-Engr, GigaParts, HRO, HamCity, MTC, RadioDan, R+L, Universal, 409shop, VendorSearch.
• Used: Classified[eBay, eHam, QRZ, QTH], Associated, Gigaparts, HRO, Jahnke, KC-Headsets, MTC, R+L, Universal, Surplus[Columbia, FairRadio, SurplusSales].
• Info:
  • Product Reviews: eHam, QST.
  • Gear Manuals/mods/photos: RigRef, BoatAnchorManuals, FCCdata, ManualMan, Mods(DK, QRZ, Msgs), RigPix.
  • Software: NetLogger, DxAtlas, DxSoft, Echolink, WestMtn, WJST, DL9QJ, W1HKJ(fldigi), W1MM-Logger, MMTTY. RigExpert.
  • Repair Services: Burghardt-Repair, Jahnke, N4ATS-Repair,
  • Gen Info: TS850msg/mods, Boatanchor, N5DUX-Menu, AC6V-Menu, BC-348Q, R390, MilEquip, SGC-Club, XtalSet.

Antennas

• Design: AntennaLength, Baluns+Wire, NVIS-Range, FerriteCalc, LPDA-Calc, WindBalun, SmallXmtLoop, Mobile, HelicalAntCalc, InductorCalc, InductorCalc, InductorCalc.
  • Ferrite/Balun Supplier Data: ArraySolutions, Palomar, Fair-Rite, CWS-Bytemark, Amidon, BalunDesigns, DX-Eng, MyAnt, Newark, NI4L.
• Manufacturers:
  • HF: Alpha, Bilal-Isotron, Buddipole, B-Square, B&W, Chameleon, DipolesUSA, DX-Commander(M0MCX), Elk, GXP, JK-Force12, GAP, HF-Kits, HiQ(mil), Hustler, Innov, K4TR, MTC-TX-BugCatcher, PAR-EFHW, RadioWavz, RezAnts, Scorpion, Sommer, Stormwise, SuperAnt, TAK-tenna, Tarheel, Tennadyne, TN07, Tune-A-Tenna, UltiMax, CobraUltralight, VerticalArray, Yaesu-YA-30, ZeroFive.
  • HF+VHF: AntProducts, CalAv, Comet, ComSys, Diamond, Mosley, M2, MFJ(Cushcraft+Hygain).
  • VHF: ARA, B-Square, Cobham, DirectiveSys, Fractal, KB8VBR-Ants, Kreco, Rojone, Shakespeare, Smiley, Wade.
  • Tuners: LDG.
  • Receive Only: Unified.
  • Towers+Masts: Aluma, Heights, MaxGain, Rohn, TMast, TxTowers, US-Twr.
• Parts/Distributors: AmatRadSuppies, BalunDesigns, CableExperts, DavisRF, DX-Eng, EZhang, KF7P, MGS, Minicircuits, Palomar, RFconn, SOTAbeams, Vellox, Wireman.
• Broadcast-TV: ChannelMaster, TinLee, Weingard, Info(AntennaWeb).
• Software:
  • AntDesign: 4NEC2, wb0dgf, AC6LA, EZNEC, NEC2, NEC-Tutorial, NEC2go, Q-Antenna, SmithCharts, SuperNEC, WIPL-D.
  • SysDesign: AppCAD, CoilXfmrCalc, OpAmpNoiseCalc, RadioCalc.
• Info: AntSelection, GenInfo, LaPortAntEngr, BentDipole, AC6V, Orfanidis-EMWaves+Ant, Radio-TimeTraveller, SW-Ant, W1GHZ-uWaveAntBook.

Special Interests

• CW: MorseDX, N6EV-HeadCopy, CW-Tips, ebook2cw(Manual), Seiuchy, MorseAudioFiles, Koch-sw, ARRL-CW-Files, OnlineMorseConv, SMRCC.
• AM: AMwindow, AMfoneNet(Classified), BE-AsymMod, Class-E, ClassE-Forum, EngrRadio, KK7TV, W3AM, AM-StereoXmtr).
• Digital:
  • SDR: AirSpy, Console, HDSDR, SDRplay[MyScreen, SDRplay(UnoDownload), SDRplay-3rcvrs, SDRuno-RTTY, SDR-Forum1, SDR-Forum2], RTL-SDR.
  • HF E-mail: WinLink, AirMail, SailMail.
  • RTTY: RTTYcontesting,
  • PSK-31: PSK31Home, WinPSK, WinWarbler.
  • WSPR: WSPR-net
  • FT8: FT8-Guide, JS8Call.
  • Other Digital: Wiki, OliviaWiki, OliviaFreqs, JTdx, APRS, SSS-Mag.
• HF: HF-link, TopBand, NVIS-MsgGroup, HF-Undergnd, HFpack, HF-Mobile.
• LF+MF: KA7OEI, ON7YD, Papers, VLF.it, W5JGV.
• SWL: FRN, BCLnews. EFF, HF-Undergnd.
• Part-15: BcastWhse, CollegeBcast, Decade, DSchmidt, HobbyBcaster, PCS, ProgConcept.

Broadcast + Audio Equipment

• Manufacturers:
  • RF: Belar, Bext, BcastElect, Crown, Delta, Dorrough, Harris/Gates, Kintronic, Nautel, Nicom, Ptek, RadioAssoc, QEI, RadioSys, Xmtrs.
  • Audio: AKG, Alesis, AllenHeath, AmericanDJ, Aphex, Ashley, Behringer(de), BcastTools, Crate, Crown, DaySequerra, dbx, Denon, DOD, Dolby. ElectroVoice, Event, Eventide, Fostex, Furman, Inovonics, Little, Logitek, Mackie, Manley, Marantz, MiddleAtlantic, Nady, Neutrik, Numark, Peavey, Philips, Phonic, Rane, Rapco, RDL, Roland, Rolls, Samson, Sennheiser, Sony, Soundcraft, Stanton, Symetrix, Tascam, Teac, Wohler, Yamaha.
• Distributors: AmerDigital, Audiogear, Audiolines, Bradley(FDK), BcastGenStore, BcastSupply, BcastWarehouse, B&H, BSW, cdRecordingSW, Crouse, DiscVid, DJaudioSuperstore, Erickson, G+G, Giesler, GuitarCenter, LDG, Luners, MarkerTek, MidwestProSound, MusicansFriend, MusicGoRound, Oktava, ProAudioSuperstore, ProgressConcepts, RDLabs, RFspec, SFB, Sweetwater, Whirlwind, ZZounds, dir.
• Auctions+Used: BayCountry(Bal), BDR, BigD, Bradley, Lightner, Moore, MusiciansBuyLine, Persons, RadioClassified, Reverb, Soundbroker.
• DIY Audio: AMB, Bottlehead, DIY-Audio.
• Software: AdobeAudition, Cakewalk, CFB, Goldwave, PassShareware, Rivendell, Soundforge, Steinberg, StereoTool, VanBasco, Waves.
• Satellite: GlobalComm, SatDish, SkyXpress.
• Test Equip: Aware, Fluke, Keithley, Leader, ElectroRent, NukAlert, Ramsey, Tektronix, TestEquity, TestEquipConn, TestEqDepot, Used, WashLabs, [list].
• Info: AudioAsylum, BE, HawkinsLinks, HomeRecording, ChrBcast, MusicGearReview, ProRecording, R.Guide, R.Online, R.World, Scott, Sony-CDX-GT700HD.

Circuit Design

• Design Guides: EverySpec, WireGauge, CoaxLoss, dB-Convr, Sigma-DeltaADCs, Ideas, Peltier.
• Design News: AllAboutCkts, CXI, DesignNews, EDN, EE-Times, ElectProd, Element14tv, ElectDesign, EngrTips.
• Parts: FindPartSupplier, EEM, W5SWL.
  

Support

• GovRegs: CFR(Historical), Part-97, FCC(ULS, Media, Renewal, Fees), PrintLicense, CTRC, UK-OFCOM.
• Clubs + Hamfests: Hamvention/Dayton, ARRL-list, MD-FM, BARC, ButlerCoARA, BRATS, CARA, BreezeShooters-ButlerPA, RadioPreppers, York.
• Organizations: AES, Amrad, Amsat, Ansi, ARRL(QEX+QST, AtlanticDiv), DeutschARC, IARU, IEEE, ITU(ITU-Pubs), JARL, NAB, NIST, QCWA, RSGB, SARL, WIA.
• Contesting: Contests, RTTY, PeriodicRTTY.
• Data/News: CQ, eHam(forums), eQSL, HardCoreDX, RadioWorld, FindAvailCalls(AE7Q, Forum, FCC-Calls).
• Training: PracticeExams, VE-Exams, HamStudy, HamExams-StudyGuides, HamExams-QuestionPools,