Here's some observations I took from Sultan to Grotto/Baring, and Skykomish to the FS 6710 Rd where the Martin Creek trailhead is, on 6/1/2012. Surprising thing is, NOTHING East of the Cascades except for one station.
Date: 6/1/2012
Receiver: Grundig G8
Aerial: Stock whip!
Location: On the road, US-2 from Sultan to Skykomish, then Old Cascade Hwy up to FS 6710.
87.9
88.1 KWAO Ocean Park to Grotto, then nothing
88.3
88.5 KPLU Tacoma, nothing in Skykomish
88.7
88.9 CBUX-FM-1 Victoria, very weak in Skykomish on FS 6710
89.1 Two CSNs in Gold Bar, Granite Falls and Huh, nothing in Skykomish
89.3 KVIX Port Angeles to Baring, then nothing
89.5 KNHC Seattle the WHOLE way.
89.7 KMWS Mount Vernon, weak in Gold Bar, nothing else
89.9 KASB Bellevue, 60w at approximately 30 mi SW! Nothing else heard
90.1 KNWP Port Angeles, staticky but fair in Gold Bar/Index, left by Grotto
90.3 KEXP Seattle [see 89.5]. Really surprised to hear how far it can go NE.
90.5 CBCV Victoria [see 89.5]
90.7 KSER Everett [see 89.5]
90.9 KVTI Tacoma [see 89.5]
91.1 KROH Port Townsend, went to Index/Baring and died afterwards
91.3 A mix of KBCS Bellevue and CJZN Victoria, BC
91.5 KSQM Sequim, WA to Index area
91.7 KXOT Tacoma, later gone
91.9 K220HD Fall City, later gone [or was it KPTZ? Couldn't tell]
92.1 CBU-FM1 Victoria [see 89.5]. One of the strongest stations at FS 6710, it was in stereo, 30 dBu.
92.3
92.5 KQMV Bellevue [see 89.5]
92.7
92.9 KISM Bellingham [see 89.5]
93.1 CKYE Vancouver, BC in Sultan, nothing else
93.3 KUBE Seattle, static filled in Skykomish
93.5 Thought there was something here, but later learned it was KUBE bleeding in, whoops!
93.7 CJJR Vancouver [or KANY, couldn't tell]. Gone by Grotto area
93.9
94.1 KMPS Seattle [see 89.5, static-filled however]
94.3
94.5 CFBT Vancouver [and I think KRXY was also in and out E of Gold Bar]
94.7
94.9 KUOW Seattle [this was also very strong in Skykomish]
95.1
95.3 CKZZ Vancouver, BC [gone after Index]
95.5
95.7 KJR Seattle [in stereo in the middle of a mountain range!]
95.9
96.1 KXXO Olympia, weak at FS 6710, also CHKG in Sultan
96.3
96.5 KJAQ Seattle
96.7
96.9 KGY McCleary
97.1
97.3 KIRO Tacoma
97.5
97.7 KOMO Oakville [another blaster in Skykomish]
97.9
98.1 KING Seattle [NOTHING in Skykomish. All 98.1 had was static. Good skip frequency I guess]
98.3
98.5 CIOC Victoria [got stumped heading up FS 6710 when I heard what sounded like a format match to KEYG Grand Coulee, but alas, "Victoria's Lite Rock Ocean 985"]
98.7
98.9 KLCK Seattle
99.1
99.3 KDDS Elma
99.5
99.7 CBUF-FM9 Victoria [in and out for a long time down 2]
99.9 KISW Seattle
100.1
100.3 CKKQ Victoria
100.5 CKPK Vancouver in areas
100.7 KKWF Seattle
100.9
101.1 CFMI Vancouver, and nothing after Grotto. I was trying so hard to get 930w 101.1 KOHO Leavenworth, but alas nothing
101.3
101.5 KPLZ Seattle
101.7 something super weak in Gold Bar. K269FT? CHLY?
101.9
102.1 K271AH Camano Island [heard just NW of Grotto, over SIXTY miles away! Man that telephone quality KBRC xlator gets out! Also heard to 522/Maltby Rd before fading.] Also KSWW Aberdeen in Gold Bar, almost 100 miles! [Boss Bill I think we have a record at the farthest KSWW can get out! Cheesy] Then a very weak KPQ Wenatchee E of Skykomish, the ONLY Central WA FM I got. Wished I could have gotten KXRX 97.1, KFFM, KXDD, KOHO, KAAP, but alas no.
102.3
102.5 KZOK Seattle, very weak in Skykomish
102.7
102.9 KNBQ Centralia
103.1 CHTT Victoria [great range of signal to the E! Heard over 100 miles out]
103.3 KMTT translator, Downtown Seattle [huge range to the NE, heard in Gold Bar and somewhat in Index]
103.5 CHQM Vancouver
103.7 KMTT Tacoma [non-existant in Skykomish]
103.9
104.1 KAFE Bellingham [see 89.5]
104.3 CHHR Vancouver and KMNT Centralia both duking it out in Gold Bar
104.5 KMCQ Covington to Baring, then faded
104.7
104.9 KSGX Eatonville, gone in Skykomish
105.1
105.3 KCMS Edmonds
105.5
105.7 CBU Vancouver, good signal even in Woodinville and Monroe!
105.9
106.1 KBKS Tacoma [lasted into Skykomish]
106.3
106.5 KWPZ Lynden, WA [gone by Skykomish IIRC?]
106.7
106.9 KRWM Bremerton, good signal [and weak in Skykomish]
107.1
107.3 CHBE Victoria, BC good to FS 6710
107.5
107.7 KNDD Seattle [see 98.1, same situation]
107.9
-crainbebo
Date: 6/1/2012
Receiver: Grundig G8
Aerial: Stock whip!
Location: On the road, US-2 from Sultan to Skykomish, then Old Cascade Hwy up to FS 6710.
87.9
88.1 KWAO Ocean Park to Grotto, then nothing
88.3
88.5 KPLU Tacoma, nothing in Skykomish
88.7
88.9 CBUX-FM-1 Victoria, very weak in Skykomish on FS 6710
89.1 Two CSNs in Gold Bar, Granite Falls and Huh, nothing in Skykomish
89.3 KVIX Port Angeles to Baring, then nothing
89.5 KNHC Seattle the WHOLE way.
89.7 KMWS Mount Vernon, weak in Gold Bar, nothing else
89.9 KASB Bellevue, 60w at approximately 30 mi SW! Nothing else heard
90.1 KNWP Port Angeles, staticky but fair in Gold Bar/Index, left by Grotto
90.3 KEXP Seattle [see 89.5]. Really surprised to hear how far it can go NE.
90.5 CBCV Victoria [see 89.5]
90.7 KSER Everett [see 89.5]
90.9 KVTI Tacoma [see 89.5]
91.1 KROH Port Townsend, went to Index/Baring and died afterwards
91.3 A mix of KBCS Bellevue and CJZN Victoria, BC
91.5 KSQM Sequim, WA to Index area
91.7 KXOT Tacoma, later gone
91.9 K220HD Fall City, later gone [or was it KPTZ? Couldn't tell]
92.1 CBU-FM1 Victoria [see 89.5]. One of the strongest stations at FS 6710, it was in stereo, 30 dBu.
92.3
92.5 KQMV Bellevue [see 89.5]
92.7
92.9 KISM Bellingham [see 89.5]
93.1 CKYE Vancouver, BC in Sultan, nothing else
93.3 KUBE Seattle, static filled in Skykomish
93.5 Thought there was something here, but later learned it was KUBE bleeding in, whoops!
93.7 CJJR Vancouver [or KANY, couldn't tell]. Gone by Grotto area
93.9
94.1 KMPS Seattle [see 89.5, static-filled however]
94.3
94.5 CFBT Vancouver [and I think KRXY was also in and out E of Gold Bar]
94.7
94.9 KUOW Seattle [this was also very strong in Skykomish]
95.1
95.3 CKZZ Vancouver, BC [gone after Index]
95.5
95.7 KJR Seattle [in stereo in the middle of a mountain range!]
95.9
96.1 KXXO Olympia, weak at FS 6710, also CHKG in Sultan
96.3
96.5 KJAQ Seattle
96.7
96.9 KGY McCleary
97.1
97.3 KIRO Tacoma
97.5
97.7 KOMO Oakville [another blaster in Skykomish]
97.9
98.1 KING Seattle [NOTHING in Skykomish. All 98.1 had was static. Good skip frequency I guess]
98.3
98.5 CIOC Victoria [got stumped heading up FS 6710 when I heard what sounded like a format match to KEYG Grand Coulee, but alas, "Victoria's Lite Rock Ocean 985"]
98.7
98.9 KLCK Seattle
99.1
99.3 KDDS Elma
99.5
99.7 CBUF-FM9 Victoria [in and out for a long time down 2]
99.9 KISW Seattle
100.1
100.3 CKKQ Victoria
100.5 CKPK Vancouver in areas
100.7 KKWF Seattle
100.9
101.1 CFMI Vancouver, and nothing after Grotto. I was trying so hard to get 930w 101.1 KOHO Leavenworth, but alas nothing
101.3
101.5 KPLZ Seattle
101.7 something super weak in Gold Bar. K269FT? CHLY?
101.9
102.1 K271AH Camano Island [heard just NW of Grotto, over SIXTY miles away! Man that telephone quality KBRC xlator gets out! Also heard to 522/Maltby Rd before fading.] Also KSWW Aberdeen in Gold Bar, almost 100 miles! [Boss Bill I think we have a record at the farthest KSWW can get out! Cheesy] Then a very weak KPQ Wenatchee E of Skykomish, the ONLY Central WA FM I got. Wished I could have gotten KXRX 97.1, KFFM, KXDD, KOHO, KAAP, but alas no.
102.3
102.5 KZOK Seattle, very weak in Skykomish
102.7
102.9 KNBQ Centralia
103.1 CHTT Victoria [great range of signal to the E! Heard over 100 miles out]
103.3 KMTT translator, Downtown Seattle [huge range to the NE, heard in Gold Bar and somewhat in Index]
103.5 CHQM Vancouver
103.7 KMTT Tacoma [non-existant in Skykomish]
103.9
104.1 KAFE Bellingham [see 89.5]
104.3 CHHR Vancouver and KMNT Centralia both duking it out in Gold Bar
104.5 KMCQ Covington to Baring, then faded
104.7
104.9 KSGX Eatonville, gone in Skykomish
105.1
105.3 KCMS Edmonds
105.5
105.7 CBU Vancouver, good signal even in Woodinville and Monroe!
105.9
106.1 KBKS Tacoma [lasted into Skykomish]
106.3
106.5 KWPZ Lynden, WA [gone by Skykomish IIRC?]
106.7
106.9 KRWM Bremerton, good signal [and weak in Skykomish]
107.1
107.3 CHBE Victoria, BC good to FS 6710
107.5
107.7 KNDD Seattle [see 98.1, same situation]
107.9
-crainbebo