In mid-September, I stayed in a condominium for three nights in Mammoth Lakes, California. Relatives traveled with me and stayed at a hotel nearby. They are from the east coast and wake up early, so I had time to myself in the evenings. The condo I stayed in had an iHome iH6 radio, and while it isn't an ideal mediumwave dx receiver, I put it to work.
This location is on the eastern slope of the Sierra Nevadas, just east of Yosemite National Park. There was no daytime reception anywhere in 520-1710 kHz.
The iHome radio had a digital frequency display, and was tuned in 10 kHz steps with a scroll wheel. Selectivity seemed poor, or some stations were simply polluting adjacent frequencies. Occasionally the radio made loud buzzing sounds, which I was unable to identify. A battery-powered radio would've certainly been preferable. Also, the AM antenna was external, with poor nulling capability.
Confirmed stations are listed with location and distance. CKWX was only confirmed by branding ("news 1130") and slogan ("traffic and weather together every 10 minutes on the ones"), not by callsign.
I'm also including my raw logs, which I typed into a smart phone. I came up with a simple keyword system to describe what I heard on each frequency. Some of the keywords are multiple words written together. In the notes, callsigns followed by question marks are guesses, and were not confirmed. Phrases in quotes are quoted from the broadcast. 920 and 1130 were my favorite frequencies to work. It would've been fun to sort through the other pileups in the band if I had more time.
States/Provinces logged
• Arizona
• British Columbia
• California
• Colorado
• Nevada
• New Mexico
• Oregon
• Utah
• Washington
• Wyoming
26 stations identified
580: KMJ (Fresno, CA; 50 kW; 78 miles)
640: KFI (Los Angeles, CA; 50 kW; 252 miles)
660: KTNN (Window Rock, AZ; 50 kW; 563 miles)
680: KNBR (San Francisco, CA; 50 kW; 191 miles)
720: KDWN (Las Vegas, NV; 50 kW; 231 miles)
740: KCBS (San Francisco, CA; 50 kW; 191 miles)
750: KOAL (Price, UT; 6.8 kW nighttime; 451 miles)
760: KFMB (San Diego, CA; 50 kW nighttime; 354 miles)
770: KKOB (Albuquerque, NM; 50 kW; 706 miles)
780: KKOH (Reno, NV; 50 kW; 139 miles)
790: KABC (Los Angeles, CA; 5 kW; 252 miles)
830: KLAA (Orange, CA; 20 kW nighttime; 274 miles)
840: KXNT (North Las Vegas, NV; 25 kW nighttime; 231 miles)
850: KOA (Denver, CO; 50 kW; 763 miles)
920: KBAD (Las Vegas, NV; 500 w nighttime; 231 miles)
1000: KOMO (Seattle, WA; 50 kW; 709 miles)
1030: KTWO (friendly Casper, WY; 50 kW; 751 miles)
1050: KNBR/KTCT (San Francisco, CA; 10 kW nighttime; 191 miles)
1070: KNX (Los Angeles, CA; 50 kW; 252 miles)
1100: KFAX (San Francisco, CA; 50 kW; 191 miles)
1120: KPNW (Eugene, OR; 50 kW; 494 miles)
1130: KRDU (Dinuba, CA; 6.2 kW nighttime; 82 miles)
1130: CKWX (Vancouver, BC, Canada; 50 kW; 828 miles)
1190: KEX (Portland, OR; 50 kW; 574 miles)
1530: KFBK (Sacramento, CA; 50 kW; 153 miles)
1560: KNZR (Bakersfield, CA; 10 kW nighttime; 158 miles)
Raw logs
540: weak
560: weak
580: fair cbsnews "Fresno" KMJ
590: fair pileup
600: poor noisy
610: music
620: sports poor
630: poor noisy
640: c2c strong KFI
650: noisy
660: rock music poor/fading nativeamerican chanting/drumming KTNN
670: noisy adjacentinterference660
680: sports KNBR
690: Spanish fair
700: Spanish fair
710: adjacentinterference720
720: strong KDWN
730: poor
740: KCBS
750: poor pileup billshomefurnishing mainstreetgrill castrovalley? KOAL
760: good, trucking job ad, "redeyeradioshow.com" KFMB
770: good, same/delayed content as 760 differentads KKOB
780: good, same content as 770 KOH
790: good, call-in show, "some bad news about kickstarter" "1-888-825-5254" moneytalk KABC
800: mex music
820: poor
830: poor pileup KLAA
840: good news radio c2c KXNT
850: fair music c2c KOA
860: Spanish good
870: fair pileup Spanish music "las vegas"
880: religious good
890: sports fair noisy
900: poor pileup
910: poor pileup
920: poor pileup moneytalk sports "sierra vista" KPSI? KXLY? "KBAD las Vegas"
920: "Montana meat company" KWYS? "chucks tavern on Durango" "fox sports 920 las vegas" [edit: There's a Shuck's Tavern on Durango Drive in Las Vegas. Montana Meat Company is also in Las Vegas.]
930: Spanish poor
940: fair noisy
950: music poor noisy
960: poor
980: fair pileup
990: poor pileup
1000: poor noisy "olympia" KOMO
1010: poor
1020: Spanish poor
1030: c2c good and spanish music poor "Wyoming" foxnews "ktworadio.com" KTWO
1040: noise
1050: golfmart south San Francisco ad KNBR/KTCT
1060: noisy
1070: "southern California" KNX
1080: poor
1090: sports strong XEPRS?
1100: "aclj.org" "1-800-684-3110" middleeast talk show "Salem communications" KFAX
1110: pileup
1120: poor c2c foxnews sfgiants KPNW
1130: good, religious, focusonthefamily KRDU
1130: traffic for Richmond/surrey BC? "news 1130" "traffic and weather together every 10 minutes on the ones" CKWX?
1140: poor
1150: pileup poor
1160: sports
1170: pileup poor
1180: fair
1190: good astronomy c2c KEX
1210: good
1230: pileup
1240: pileup
1250: poor
1260: pileup poor
1270: pileup
1280: pileup
1290: poor "Los Angeles"
1300: poor noisy
1310: pileup
1320: pileup
1330: Spanish good
1340: pileup
1350: poor noisy
1360: Spanish music poor
1370: poor
1390: Spanish music poor
1400: pileup
1420: poor
1430: poor
1440: poor
1450: pileup poor
1470: music poor
1480: Spanish music poor
1490: pileup
1500: poor
1510: pileup poor
1520: poor
1530: good c2c KFBK
1540: Asian fair Japanese?
1550: dance music? poor
1560: good c2c legendsofsuccess KNZR
1580: Spanish poor
1590: pileup
1600: weak
1620: religious fair
1630: music poor
1640: poor
1650: fair
1670: poor
1690: Spanish fair
1700: fair "[inaudible] seventeen hundred" "Baja California"
Station cities and broadcasting power obtained from radio-locator. Distances obtained from the City Distance Tool. Blank North America map from realclearwx.com.
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